| T20 | Burn and corrosion of head, face, and neck | NON-BILLABLE CODE |
| T20.0 | Burn of unspecified degree of head, face, and neck | NON-BILLABLE CODE |
| T20.00 | Burn of unspecified degree of head, face, and neck, unspecified site | NON-BILLABLE CODE |
| T20.00XA | Burn of unspecified degree of head, face, and neck, unspecified site, initial encounter | BILLABLE CODE |
| T20.00XD | Burn of unspecified degree of head, face, and neck, unspecified site, subsequent encounter | BILLABLE CODE |
| T20.00XS | Burn of unspecified degree of head, face, and neck, unspecified site, sequela | BILLABLE CODE |
| T20.01 | Burn of unspecified degree of ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.011 | Burn of unspecified degree of right ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.011A | Burn of unspecified degree of right ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.011D | Burn of unspecified degree of right ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.011S | Burn of unspecified degree of right ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.012 | Burn of unspecified degree of left ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.012A | Burn of unspecified degree of left ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.012D | Burn of unspecified degree of left ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.012S | Burn of unspecified degree of left ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.019 | Burn of unspecified degree of unspecified ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.019A | Burn of unspecified degree of unspecified ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.019D | Burn of unspecified degree of unspecified ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.019S | Burn of unspecified degree of unspecified ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.02 | Burn of unspecified degree of lip(s) | NON-BILLABLE CODE |
| T20.02XA | Burn of unspecified degree of lip(s), initial encounter | BILLABLE CODE |
| T20.02XD | Burn of unspecified degree of lip(s), subsequent encounter | BILLABLE CODE |
| T20.02XS | Burn of unspecified degree of lip(s), sequela | BILLABLE CODE |
| T20.03 | Burn of unspecified degree of chin | NON-BILLABLE CODE |
| T20.03XA | Burn of unspecified degree of chin, initial encounter | BILLABLE CODE |
| T20.03XD | Burn of unspecified degree of chin, subsequent encounter | BILLABLE CODE |
| T20.03XS | Burn of unspecified degree of chin, sequela | BILLABLE CODE |
| T20.04 | Burn of unspecified degree of nose (septum) | NON-BILLABLE CODE |
| T20.04XA | Burn of unspecified degree of nose (septum), initial encounter | BILLABLE CODE |
| T20.04XD | Burn of unspecified degree of nose (septum), subsequent encounter | BILLABLE CODE |
| T20.04XS | Burn of unspecified degree of nose (septum), sequela | BILLABLE CODE |
| T20.05 | Burn of unspecified degree of scalp [any part] | NON-BILLABLE CODE |
| T20.05XA | Burn of unspecified degree of scalp [any part], initial encounter | BILLABLE CODE |
| T20.05XD | Burn of unspecified degree of scalp [any part], subsequent encounter | BILLABLE CODE |
| T20.05XS | Burn of unspecified degree of scalp [any part], sequela | BILLABLE CODE |
| T20.06 | Burn of unspecified degree of forehead and cheek | NON-BILLABLE CODE |
| T20.06XA | Burn of unspecified degree of forehead and cheek, initial encounter | BILLABLE CODE |
| T20.06XD | Burn of unspecified degree of forehead and cheek, subsequent encounter | BILLABLE CODE |
| T20.06XS | Burn of unspecified degree of forehead and cheek, sequela | BILLABLE CODE |
| T20.07 | Burn of unspecified degree of neck | NON-BILLABLE CODE |
| T20.07XA | Burn of unspecified degree of neck, initial encounter | BILLABLE CODE |
| T20.07XD | Burn of unspecified degree of neck, subsequent encounter | BILLABLE CODE |
| T20.07XS | Burn of unspecified degree of neck, sequela | BILLABLE CODE |
| T20.09 | Burn of unspecified degree of multiple sites of head, face, and neck | NON-BILLABLE CODE |
| T20.09XA | Burn of unspecified degree of multiple sites of head, face, and neck, initial encounter | BILLABLE CODE |
| T20.09XD | Burn of unspecified degree of multiple sites of head, face, and neck, subsequent encounter | BILLABLE CODE |
| T20.09XS | Burn of unspecified degree of multiple sites of head, face, and neck, sequela | BILLABLE CODE |
| T20.1 | Burn of first degree of head, face, and neck | NON-BILLABLE CODE |
| T20.10 | Burn of first degree of head, face, and neck, unspecified site | NON-BILLABLE CODE |
| T20.10XA | Burn of first degree of head, face, and neck, unspecified site, initial encounter | BILLABLE CODE |
| T20.10XD | Burn of first degree of head, face, and neck, unspecified site, subsequent encounter | BILLABLE CODE |
| T20.10XS | Burn of first degree of head, face, and neck, unspecified site, sequela | BILLABLE CODE |
| T20.11 | Burn of first degree of ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.111 | Burn of first degree of right ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.111A | Burn of first degree of right ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.111D | Burn of first degree of right ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.111S | Burn of first degree of right ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.112 | Burn of first degree of left ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.112A | Burn of first degree of left ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.112D | Burn of first degree of left ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.112S | Burn of first degree of left ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.119 | Burn of first degree of unspecified ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.119A | Burn of first degree of unspecified ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.119D | Burn of first degree of unspecified ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.119S | Burn of first degree of unspecified ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.12 | Burn of first degree of lip(s) | NON-BILLABLE CODE |
| T20.12XA | Burn of first degree of lip(s), initial encounter | BILLABLE CODE |
| T20.12XD | Burn of first degree of lip(s), subsequent encounter | BILLABLE CODE |
| T20.12XS | Burn of first degree of lip(s), sequela | BILLABLE CODE |
| T20.13 | Burn of first degree of chin | NON-BILLABLE CODE |
| T20.13XA | Burn of first degree of chin, initial encounter | BILLABLE CODE |
| T20.13XD | Burn of first degree of chin, subsequent encounter | BILLABLE CODE |
| T20.13XS | Burn of first degree of chin, sequela | BILLABLE CODE |
| T20.14 | Burn of first degree of nose (septum) | NON-BILLABLE CODE |
| T20.14XA | Burn of first degree of nose (septum), initial encounter | BILLABLE CODE |
| T20.14XD | Burn of first degree of nose (septum), subsequent encounter | BILLABLE CODE |
| T20.14XS | Burn of first degree of nose (septum), sequela | BILLABLE CODE |
| T20.15 | Burn of first degree of scalp [any part] | NON-BILLABLE CODE |
| T20.15XA | Burn of first degree of scalp [any part], initial encounter | BILLABLE CODE |
| T20.15XD | Burn of first degree of scalp [any part], subsequent encounter | BILLABLE CODE |
| T20.15XS | Burn of first degree of scalp [any part], sequela | BILLABLE CODE |
| T20.16 | Burn of first degree of forehead and cheek | NON-BILLABLE CODE |
| T20.16XA | Burn of first degree of forehead and cheek, initial encounter | BILLABLE CODE |
| T20.16XD | Burn of first degree of forehead and cheek, subsequent encounter | BILLABLE CODE |
| T20.16XS | Burn of first degree of forehead and cheek, sequela | BILLABLE CODE |
| T20.17 | Burn of first degree of neck | NON-BILLABLE CODE |
| T20.17XA | Burn of first degree of neck, initial encounter | BILLABLE CODE |
| T20.17XD | Burn of first degree of neck, subsequent encounter | BILLABLE CODE |
| T20.17XS | Burn of first degree of neck, sequela | BILLABLE CODE |
| T20.19 | Burn of first degree of multiple sites of head, face, and neck | NON-BILLABLE CODE |
| T20.19XA | Burn of first degree of multiple sites of head, face, and neck, initial encounter | BILLABLE CODE |
| T20.19XD | Burn of first degree of multiple sites of head, face, and neck, subsequent encounter | BILLABLE CODE |
| T20.19XS | Burn of first degree of multiple sites of head, face, and neck, sequela | BILLABLE CODE |
| T20.2 | Burn of second degree of head, face, and neck | NON-BILLABLE CODE |
| T20.20 | Burn of second degree of head, face, and neck, unspecified site | NON-BILLABLE CODE |
| T20.20XA | Burn of second degree of head, face, and neck, unspecified site, initial encounter | BILLABLE CODE |
| T20.20XD | Burn of second degree of head, face, and neck, unspecified site, subsequent encounter | BILLABLE CODE |
| T20.20XS | Burn of second degree of head, face, and neck, unspecified site, sequela | BILLABLE CODE |
| T20.21 | Burn of second degree of ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.211 | Burn of second degree of right ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.211A | Burn of second degree of right ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.211D | Burn of second degree of right ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.211S | Burn of second degree of right ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.212 | Burn of second degree of left ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.212A | Burn of second degree of left ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.212D | Burn of second degree of left ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.212S | Burn of second degree of left ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.219 | Burn of second degree of unspecified ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.219A | Burn of second degree of unspecified ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.219D | Burn of second degree of unspecified ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.219S | Burn of second degree of unspecified ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.22 | Burn of second degree of lip(s) | NON-BILLABLE CODE |
| T20.22XA | Burn of second degree of lip(s), initial encounter | BILLABLE CODE |
| T20.22XD | Burn of second degree of lip(s), subsequent encounter | BILLABLE CODE |
| T20.22XS | Burn of second degree of lip(s), sequela | BILLABLE CODE |
| T20.23 | Burn of second degree of chin | NON-BILLABLE CODE |
| T20.23XA | Burn of second degree of chin, initial encounter | BILLABLE CODE |
| T20.23XD | Burn of second degree of chin, subsequent encounter | BILLABLE CODE |
| T20.23XS | Burn of second degree of chin, sequela | BILLABLE CODE |
| T20.24 | Burn of second degree of nose (septum) | NON-BILLABLE CODE |
| T20.24XA | Burn of second degree of nose (septum), initial encounter | BILLABLE CODE |
| T20.24XD | Burn of second degree of nose (septum), subsequent encounter | BILLABLE CODE |
| T20.24XS | Burn of second degree of nose (septum), sequela | BILLABLE CODE |
| T20.25 | Burn of second degree of scalp [any part] | NON-BILLABLE CODE |
| T20.25XD | Burn of second degree of scalp [any part], subsequent encounter | BILLABLE CODE |
| T20.25XS | Burn of second degree of scalp [any part], sequela | BILLABLE CODE |
| T20.26 | Burn of second degree of forehead and cheek | NON-BILLABLE CODE |
| T20.26XA | Burn of second degree of forehead and cheek, initial encounter | BILLABLE CODE |
| T20.26XD | Burn of second degree of forehead and cheek, subsequent encounter | BILLABLE CODE |
| T20.26XS | Burn of second degree of forehead and cheek, sequela | BILLABLE CODE |
| T20.27 | Burn of second degree of neck | NON-BILLABLE CODE |
| T20.27XA | Burn of second degree of neck, initial encounter | BILLABLE CODE |
| T20.27XD | Burn of second degree of neck, subsequent encounter | BILLABLE CODE |
| T20.27XS | Burn of second degree of neck, sequela | BILLABLE CODE |
| T20.29 | Burn of second degree of multiple sites of head, face, and neck | NON-BILLABLE CODE |
| T20.29XA | Burn of second degree of multiple sites of head, face, and neck, initial encounter | BILLABLE CODE |
| T20.29XD | Burn of second degree of multiple sites of head, face, and neck, subsequent encounter | BILLABLE CODE |
| T20.29XS | Burn of second degree of multiple sites of head, face, and neck, sequela | BILLABLE CODE |
| T20.3 | Burn of third degree of head, face, and neck | NON-BILLABLE CODE |
| T20.30 | Burn of third degree of head, face, and neck, unspecified site | NON-BILLABLE CODE |
| T20.30XA | Burn of third degree of head, face, and neck, unspecified site, initial encounter | BILLABLE CODE |
| T20.30XD | Burn of third degree of head, face, and neck, unspecified site, subsequent encounter | BILLABLE CODE |
| T20.30XS | Burn of third degree of head, face, and neck, unspecified site, sequela | BILLABLE CODE |
| T20.31 | Burn of third degree of ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.311 | Burn of third degree of right ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.311A | Burn of third degree of right ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.311D | Burn of third degree of right ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.311S | Burn of third degree of right ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.312 | Burn of third degree of left ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.312A | Burn of third degree of left ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.312D | Burn of third degree of left ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.312S | Burn of third degree of left ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.319 | Burn of third degree of unspecified ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.319A | Burn of third degree of unspecified ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.319D | Burn of third degree of unspecified ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.319S | Burn of third degree of unspecified ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.32 | Burn of third degree of lip(s) | NON-BILLABLE CODE |
| T20.32XA | Burn of third degree of lip(s), initial encounter | BILLABLE CODE |
| T20.32XD | Burn of third degree of lip(s), subsequent encounter | BILLABLE CODE |
| T20.32XS | Burn of third degree of lip(s), sequela | BILLABLE CODE |
| T20.33 | Burn of third degree of chin | NON-BILLABLE CODE |
| T20.33XA | Burn of third degree of chin, initial encounter | BILLABLE CODE |
| T20.33XD | Burn of third degree of chin, subsequent encounter | BILLABLE CODE |
| T20.33XS | Burn of third degree of chin, sequela | BILLABLE CODE |
| T20.34 | Burn of third degree of nose (septum) | NON-BILLABLE CODE |
| T20.34XA | Burn of third degree of nose (septum), initial encounter | BILLABLE CODE |
| T20.34XD | Burn of third degree of nose (septum), subsequent encounter | BILLABLE CODE |
| T20.34XS | Burn of third degree of nose (septum), sequela | BILLABLE CODE |
| T20.35 | Burn of third degree of scalp [any part] | NON-BILLABLE CODE |
| T20.35XA | Burn of third degree of scalp [any part], initial encounter | BILLABLE CODE |
| T20.35XD | Burn of third degree of scalp [any part], subsequent encounter | BILLABLE CODE |
| T20.35XS | Burn of third degree of scalp [any part], sequela | BILLABLE CODE |
| T20.36 | Burn of third degree of forehead and cheek | NON-BILLABLE CODE |
| T20.36XA | Burn of third degree of forehead and cheek, initial encounter | BILLABLE CODE |
| T20.36XD | Burn of third degree of forehead and cheek, subsequent encounter | BILLABLE CODE |
| T20.36XS | Burn of third degree of forehead and cheek, sequela | BILLABLE CODE |
| T20.37 | Burn of third degree of neck | NON-BILLABLE CODE |
| T20.37XA | Burn of third degree of neck, initial encounter | BILLABLE CODE |
| T20.37XD | Burn of third degree of neck, subsequent encounter | BILLABLE CODE |
| T20.37XS | Burn of third degree of neck, sequela | BILLABLE CODE |
| T20.39 | Burn of third degree of multiple sites of head, face, and neck | NON-BILLABLE CODE |
| T20.39XA | Burn of third degree of multiple sites of head, face, and neck, initial encounter | BILLABLE CODE |
| T20.39XD | Burn of third degree of multiple sites of head, face, and neck, subsequent encounter | BILLABLE CODE |
| T20.39XS | Burn of third degree of multiple sites of head, face, and neck, sequela | BILLABLE CODE |
| T20.4 | Corrosion of unspecified degree of head, face, and neck | NON-BILLABLE CODE |
| T20.40 | Corrosion of unspecified degree of head, face, and neck, unspecified site | NON-BILLABLE CODE |
| T20.40XA | Corrosion of unspecified degree of head, face, and neck, unspecified site, initial encounter | BILLABLE CODE |
| T20.40XD | Corrosion of unspecified degree of head, face, and neck, unspecified site, subsequent encounter | BILLABLE CODE |
| T20.40XS | Corrosion of unspecified degree of head, face, and neck, unspecified site, sequela | BILLABLE CODE |
| T20.41 | Corrosion of unspecified degree of ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.411 | Corrosion of unspecified degree of right ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.411A | Corrosion of unspecified degree of right ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.411D | Corrosion of unspecified degree of right ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.411S | Corrosion of unspecified degree of right ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.412 | Corrosion of unspecified degree of left ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.412A | Corrosion of unspecified degree of left ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.412D | Corrosion of unspecified degree of left ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.412S | Corrosion of unspecified degree of left ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.419 | Corrosion of unspecified degree of unspecified ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.419A | Corrosion of unspecified degree of unspecified ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.419D | Corrosion of unspecified degree of unspecified ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.419S | Corrosion of unspecified degree of unspecified ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.42 | Corrosion of unspecified degree of lip(s) | NON-BILLABLE CODE |
| T20.42XA | Corrosion of unspecified degree of lip(s), initial encounter | BILLABLE CODE |
| T20.42XD | Corrosion of unspecified degree of lip(s), subsequent encounter | BILLABLE CODE |
| T20.42XS | Corrosion of unspecified degree of lip(s), sequela | BILLABLE CODE |
| T20.43 | Corrosion of unspecified degree of chin | NON-BILLABLE CODE |
| T20.43XA | Corrosion of unspecified degree of chin, initial encounter | BILLABLE CODE |
| T20.43XD | Corrosion of unspecified degree of chin, subsequent encounter | BILLABLE CODE |
| T20.43XS | Corrosion of unspecified degree of chin, sequela | BILLABLE CODE |
| T20.44 | Corrosion of unspecified degree of nose (septum) | NON-BILLABLE CODE |
| T20.44XA | Corrosion of unspecified degree of nose (septum), initial encounter | BILLABLE CODE |
| T20.44XD | Corrosion of unspecified degree of nose (septum), subsequent encounter | BILLABLE CODE |
| T20.44XS | Corrosion of unspecified degree of nose (septum), sequela | BILLABLE CODE |
| T20.45 | Corrosion of unspecified degree of scalp [any part] | NON-BILLABLE CODE |
| T20.45XA | Corrosion of unspecified degree of scalp [any part], initial encounter | BILLABLE CODE |
| T20.45XD | Corrosion of unspecified degree of scalp [any part], subsequent encounter | BILLABLE CODE |
| T20.45XS | Corrosion of unspecified degree of scalp [any part], sequela | BILLABLE CODE |
| T20.46 | Corrosion of unspecified degree of forehead and cheek | NON-BILLABLE CODE |
| T20.46XA | Corrosion of unspecified degree of forehead and cheek, initial encounter | BILLABLE CODE |
| T20.46XD | Corrosion of unspecified degree of forehead and cheek, subsequent encounter | BILLABLE CODE |
| T20.46XS | Corrosion of unspecified degree of forehead and cheek, sequela | BILLABLE CODE |
| T20.47 | Corrosion of unspecified degree of neck | NON-BILLABLE CODE |
| T20.47XA | Corrosion of unspecified degree of neck, initial encounter | BILLABLE CODE |
| T20.47XD | Corrosion of unspecified degree of neck, subsequent encounter | BILLABLE CODE |
| T20.47XS | Corrosion of unspecified degree of neck, sequela | BILLABLE CODE |
| T20.49 | Corrosion of unspecified degree of multiple sites of head, face, and neck | NON-BILLABLE CODE |
| T20.49XA | Corrosion of unspecified degree of multiple sites of head, face, and neck, initial encounter | BILLABLE CODE |
| T20.49XD | Corrosion of unspecified degree of multiple sites of head, face, and neck, subsequent encounter | BILLABLE CODE |
| T20.49XS | Corrosion of unspecified degree of multiple sites of head, face, and neck, sequela | BILLABLE CODE |
| T20.5 | Corrosion of first degree of head, face, and neck | NON-BILLABLE CODE |
| T20.50 | Corrosion of first degree of head, face, and neck, unspecified site | NON-BILLABLE CODE |
| T20.50XA | Corrosion of first degree of head, face, and neck, unspecified site, initial encounter | BILLABLE CODE |
| T20.50XD | Corrosion of first degree of head, face, and neck, unspecified site, subsequent encounter | BILLABLE CODE |
| T20.50XS | Corrosion of first degree of head, face, and neck, unspecified site, sequela | BILLABLE CODE |
| T20.51 | Corrosion of first degree of ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.511 | Corrosion of first degree of right ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.511A | Corrosion of first degree of right ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.511D | Corrosion of first degree of right ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.511S | Corrosion of first degree of right ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.512 | Corrosion of first degree of left ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.512A | Corrosion of first degree of left ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.512D | Corrosion of first degree of left ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.512S | Corrosion of first degree of left ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.519 | Corrosion of first degree of unspecified ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.519A | Corrosion of first degree of unspecified ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.519D | Corrosion of first degree of unspecified ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.519S | Corrosion of first degree of unspecified ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.52 | Corrosion of first degree of lip(s) | NON-BILLABLE CODE |
| T20.52XA | Corrosion of first degree of lip(s), initial encounter | BILLABLE CODE |
| T20.52XD | Corrosion of first degree of lip(s), subsequent encounter | BILLABLE CODE |
| T20.52XS | Corrosion of first degree of lip(s), sequela | BILLABLE CODE |
| T20.53 | Corrosion of first degree of chin | NON-BILLABLE CODE |
| T20.53XA | Corrosion of first degree of chin, initial encounter | BILLABLE CODE |
| T20.53XD | Corrosion of first degree of chin, subsequent encounter | BILLABLE CODE |
| T20.53XS | Corrosion of first degree of chin, sequela | BILLABLE CODE |
| T20.54 | Corrosion of first degree of nose (septum) | NON-BILLABLE CODE |
| T20.54XA | Corrosion of first degree of nose (septum), initial encounter | BILLABLE CODE |
| T20.54XD | Corrosion of first degree of nose (septum), subsequent encounter | BILLABLE CODE |
| T20.54XS | Corrosion of first degree of nose (septum), sequela | BILLABLE CODE |
| T20.55 | Corrosion of first degree of scalp [any part] | NON-BILLABLE CODE |
| T20.55XA | Corrosion of first degree of scalp [any part], initial encounter | BILLABLE CODE |
| T20.55XD | Corrosion of first degree of scalp [any part], subsequent encounter | BILLABLE CODE |
| T20.55XS | Corrosion of first degree of scalp [any part], sequela | BILLABLE CODE |
| T20.56 | Corrosion of first degree of forehead and cheek | NON-BILLABLE CODE |
| T20.56XA | Corrosion of first degree of forehead and cheek, initial encounter | BILLABLE CODE |
| T20.56XD | Corrosion of first degree of forehead and cheek, subsequent encounter | BILLABLE CODE |
| T20.56XS | Corrosion of first degree of forehead and cheek, sequela | BILLABLE CODE |
| T20.57 | Corrosion of first degree of neck | NON-BILLABLE CODE |
| T20.57XA | Corrosion of first degree of neck, initial encounter | BILLABLE CODE |
| T20.57XD | Corrosion of first degree of neck, subsequent encounter | BILLABLE CODE |
| T20.57XS | Corrosion of first degree of neck, sequela | BILLABLE CODE |
| T20.59 | Corrosion of first degree of multiple sites of head, face, and neck | NON-BILLABLE CODE |
| T20.59XA | Corrosion of first degree of multiple sites of head, face, and neck, initial encounter | BILLABLE CODE |
| T20.59XD | Corrosion of first degree of multiple sites of head, face, and neck, subsequent encounter | BILLABLE CODE |
| T20.59XS | Corrosion of first degree of multiple sites of head, face, and neck, sequela | BILLABLE CODE |
| T20.6 | Corrosion of second degree of head, face, and neck | NON-BILLABLE CODE |
| T20.60 | Corrosion of second degree of head, face, and neck, unspecified site | NON-BILLABLE CODE |
| T20.60XA | Corrosion of second degree of head, face, and neck, unspecified site, initial encounter | BILLABLE CODE |
| T20.60XD | Corrosion of second degree of head, face, and neck, unspecified site, subsequent encounter | BILLABLE CODE |
| T20.60XS | Corrosion of second degree of head, face, and neck, unspecified site, sequela | BILLABLE CODE |
| T20.61 | Corrosion of second degree of ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.611 | Corrosion of second degree of right ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.611A | Corrosion of second degree of right ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.611D | Corrosion of second degree of right ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.611S | Corrosion of second degree of right ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.612 | Corrosion of second degree of left ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.612A | Corrosion of second degree of left ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.612D | Corrosion of second degree of left ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.612S | Corrosion of second degree of left ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.619 | Corrosion of second degree of unspecified ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.619A | Corrosion of second degree of unspecified ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.619D | Corrosion of second degree of unspecified ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.619S | Corrosion of second degree of unspecified ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.62 | Corrosion of second degree of lip(s) | NON-BILLABLE CODE |
| T20.62XA | Corrosion of second degree of lip(s), initial encounter | BILLABLE CODE |
| T20.62XD | Corrosion of second degree of lip(s), subsequent encounter | BILLABLE CODE |
| T20.62XS | Corrosion of second degree of lip(s), sequela | BILLABLE CODE |
| T20.63 | Corrosion of second degree of chin | NON-BILLABLE CODE |
| T20.63XA | Corrosion of second degree of chin, initial encounter | BILLABLE CODE |
| T20.63XD | Corrosion of second degree of chin, subsequent encounter | BILLABLE CODE |
| T20.63XS | Corrosion of second degree of chin, sequela | BILLABLE CODE |
| T20.64 | Corrosion of second degree of nose (septum) | NON-BILLABLE CODE |
| T20.64XA | Corrosion of second degree of nose (septum), initial encounter | BILLABLE CODE |
| T20.64XD | Corrosion of second degree of nose (septum), subsequent encounter | BILLABLE CODE |
| T20.64XS | Corrosion of second degree of nose (septum), sequela | BILLABLE CODE |
| T20.65 | Corrosion of second degree of scalp [any part] | NON-BILLABLE CODE |
| T20.65XA | Corrosion of second degree of scalp [any part], initial encounter | BILLABLE CODE |
| T20.65XD | Corrosion of second degree of scalp [any part], subsequent encounter | BILLABLE CODE |
| T20.65XS | Corrosion of second degree of scalp [any part], sequela | BILLABLE CODE |
| T20.66 | Corrosion of second degree of forehead and cheek | NON-BILLABLE CODE |
| T20.66XA | Corrosion of second degree of forehead and cheek, initial encounter | BILLABLE CODE |
| T20.66XD | Corrosion of second degree of forehead and cheek, subsequent encounter | BILLABLE CODE |
| T20.66XS | Corrosion of second degree of forehead and cheek, sequela | BILLABLE CODE |
| T20.67 | Corrosion of second degree of neck | NON-BILLABLE CODE |
| T20.67XA | Corrosion of second degree of neck, initial encounter | BILLABLE CODE |
| T20.67XD | Corrosion of second degree of neck, subsequent encounter | BILLABLE CODE |
| T20.67XS | Corrosion of second degree of neck, sequela | BILLABLE CODE |
| T20.69 | Corrosion of second degree of multiple sites of head, face, and neck | NON-BILLABLE CODE |
| T20.69XA | Corrosion of second degree of multiple sites of head, face, and neck, initial encounter | BILLABLE CODE |
| T20.69XD | Corrosion of second degree of multiple sites of head, face, and neck, subsequent encounter | BILLABLE CODE |
| T20.69XS | Corrosion of second degree of multiple sites of head, face, and neck, sequela | BILLABLE CODE |
| T20.7 | Corrosion of third degree of head, face, and neck | NON-BILLABLE CODE |
| T20.70 | Corrosion of third degree of head, face, and neck, unspecified site | NON-BILLABLE CODE |
| T20.70XA | Corrosion of third degree of head, face, and neck, unspecified site, initial encounter | BILLABLE CODE |
| T20.70XD | Corrosion of third degree of head, face, and neck, unspecified site, subsequent encounter | BILLABLE CODE |
| T20.70XS | Corrosion of third degree of head, face, and neck, unspecified site, sequela | BILLABLE CODE |
| T20.71 | Corrosion of third degree of ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.711 | Corrosion of third degree of right ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.711A | Corrosion of third degree of right ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.711D | Corrosion of third degree of right ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.711S | Corrosion of third degree of right ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.712 | Corrosion of third degree of left ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.712A | Corrosion of third degree of left ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.712D | Corrosion of third degree of left ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.712S | Corrosion of third degree of left ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.719 | Corrosion of third degree of unspecified ear [any part, except ear drum] | NON-BILLABLE CODE |
| T20.719A | Corrosion of third degree of unspecified ear [any part, except ear drum], initial encounter | BILLABLE CODE |
| T20.719D | Corrosion of third degree of unspecified ear [any part, except ear drum], subsequent encounter | BILLABLE CODE |
| T20.719S | Corrosion of third degree of unspecified ear [any part, except ear drum], sequela | BILLABLE CODE |
| T20.72 | Corrosion of third degree of lip(s) | NON-BILLABLE CODE |
| T20.72XA | Corrosion of third degree of lip(s), initial encounter | BILLABLE CODE |
| T20.72XD | Corrosion of third degree of lip(s), subsequent encounter | BILLABLE CODE |
| T20.72XS | Corrosion of third degree of lip(s), sequela | BILLABLE CODE |
| T20.73 | Corrosion of third degree of chin | NON-BILLABLE CODE |
| T20.73XA | Corrosion of third degree of chin, initial encounter | BILLABLE CODE |
| T20.73XD | Corrosion of third degree of chin, subsequent encounter | BILLABLE CODE |
| T20.73XS | Corrosion of third degree of chin, sequela | BILLABLE CODE |
| T20.74 | Corrosion of third degree of nose (septum) | NON-BILLABLE CODE |
| T20.74XA | Corrosion of third degree of nose (septum), initial encounter | BILLABLE CODE |
| T20.74XD | Corrosion of third degree of nose (septum), subsequent encounter | BILLABLE CODE |
| T20.74XS | Corrosion of third degree of nose (septum), sequela | BILLABLE CODE |
| T20.75 | Corrosion of third degree of scalp [any part] | NON-BILLABLE CODE |
| T20.75XA | Corrosion of third degree of scalp [any part], initial encounter | BILLABLE CODE |
| T20.75XD | Corrosion of third degree of scalp [any part], subsequent encounter | BILLABLE CODE |
| T20.75XS | Corrosion of third degree of scalp [any part], sequela | BILLABLE CODE |
| T20.76 | Corrosion of third degree of forehead and cheek | NON-BILLABLE CODE |
| T20.76XA | Corrosion of third degree of forehead and cheek, initial encounter | BILLABLE CODE |
| T20.76XD | Corrosion of third degree of forehead and cheek, subsequent encounter | BILLABLE CODE |
| T20.76XS | Corrosion of third degree of forehead and cheek, sequela | BILLABLE CODE |
| T20.77 | Corrosion of third degree of neck | NON-BILLABLE CODE |
| T20.77XA | Corrosion of third degree of neck, initial encounter | BILLABLE CODE |
| T20.77XD | Corrosion of third degree of neck, subsequent encounter | BILLABLE CODE |
| T20.77XS | Corrosion of third degree of neck, sequela | BILLABLE CODE |
| T20.79 | Corrosion of third degree of multiple sites of head, face, and neck | NON-BILLABLE CODE |
| T20.79XA | Corrosion of third degree of multiple sites of head, face, and neck, initial encounter | BILLABLE CODE |
| T20.79XD | Corrosion of third degree of multiple sites of head, face, and neck, subsequent encounter | BILLABLE CODE |
| T20.79XS | Corrosion of third degree of multiple sites of head, face, and neck, sequela | BILLABLE CODE |
