| S21.00 | Unspecified open wound of breast | NON-BILLABLE CODE |
| S21.001 | Unspecified open wound of right breast | NON-BILLABLE CODE |
| S21.001A | Unspecified open wound of right breast, initial encounter | BILLABLE CODE |
| S21.001D | Unspecified open wound of right breast, subsequent encounter | BILLABLE CODE |
| S21.001S | Unspecified open wound of right breast, sequela | BILLABLE CODE |
| S21.002 | Unspecified open wound of left breast | NON-BILLABLE CODE |
| S21.002A | Unspecified open wound of left breast, initial encounter | BILLABLE CODE |
| S21.002D | Unspecified open wound of left breast, subsequent encounter | BILLABLE CODE |
| S21.002S | Unspecified open wound of left breast, sequela | BILLABLE CODE |
| S21.009 | Unspecified open wound of unspecified breast | NON-BILLABLE CODE |
| S21.009A | Unspecified open wound of unspecified breast, initial encounter | BILLABLE CODE |
| S21.009D | Unspecified open wound of unspecified breast, subsequent encounter | BILLABLE CODE |
| S21.009S | Unspecified open wound of unspecified breast, sequela | BILLABLE CODE |
| S21.01 | Laceration without foreign body of breast | NON-BILLABLE CODE |
| S21.011 | Laceration without foreign body of right breast | NON-BILLABLE CODE |
| S21.011A | Laceration without foreign body of right breast, initial encounter | BILLABLE CODE |
| S21.011D | Laceration without foreign body of right breast, subsequent encounter | BILLABLE CODE |
| S21.011S | Laceration without foreign body of right breast, sequela | BILLABLE CODE |
| S21.012 | Laceration without foreign body of left breast | NON-BILLABLE CODE |
| S21.012A | Laceration without foreign body of left breast, initial encounter | BILLABLE CODE |
| S21.012D | Laceration without foreign body of left breast, subsequent encounter | BILLABLE CODE |
| S21.012S | Laceration without foreign body of left breast, sequela | BILLABLE CODE |
| S21.019 | Laceration without foreign body of unspecified breast | NON-BILLABLE CODE |
| S21.019A | Laceration without foreign body of unspecified breast, initial encounter | BILLABLE CODE |
| S21.019D | Laceration without foreign body of unspecified breast, subsequent encounter | BILLABLE CODE |
| S21.019S | Laceration without foreign body of unspecified breast, sequela | BILLABLE CODE |
| S21.02 | Laceration with foreign body of breast | NON-BILLABLE CODE |
| S21.021 | Laceration with foreign body of right breast | NON-BILLABLE CODE |
| S21.021A | Laceration with foreign body of right breast, initial encounter | BILLABLE CODE |
| S21.021D | Laceration with foreign body of right breast, subsequent encounter | BILLABLE CODE |
| S21.021S | Laceration with foreign body of right breast, sequela | BILLABLE CODE |
| S21.022 | Laceration with foreign body of left breast | NON-BILLABLE CODE |
| S21.022A | Laceration with foreign body of left breast, initial encounter | BILLABLE CODE |
| S21.022D | Laceration with foreign body of left breast, subsequent encounter | BILLABLE CODE |
| S21.022S | Laceration with foreign body of left breast, sequela | BILLABLE CODE |
| S21.029 | Laceration with foreign body of unspecified breast | NON-BILLABLE CODE |
| S21.029A | Laceration with foreign body of unspecified breast, initial encounter | BILLABLE CODE |
| S21.029D | Laceration with foreign body of unspecified breast, subsequent encounter | BILLABLE CODE |
| S21.029S | Laceration with foreign body of unspecified breast, sequela | BILLABLE CODE |
| S21.03 | Puncture wound without foreign body of breast | NON-BILLABLE CODE |
| S21.031 | Puncture wound without foreign body of right breast | NON-BILLABLE CODE |
| S21.031A | Puncture wound without foreign body of right breast, initial encounter | BILLABLE CODE |
| S21.031D | Puncture wound without foreign body of right breast, subsequent encounter | BILLABLE CODE |
| S21.031S | Puncture wound without foreign body of right breast, sequela | BILLABLE CODE |
| S21.032 | Puncture wound without foreign body of left breast | NON-BILLABLE CODE |
| S21.032A | Puncture wound without foreign body of left breast, initial encounter | BILLABLE CODE |
| S21.032D | Puncture wound without foreign body of left breast, subsequent encounter | BILLABLE CODE |
| S21.032S | Puncture wound without foreign body of left breast, sequela | BILLABLE CODE |
| S21.039 | Puncture wound without foreign body of unspecified breast | NON-BILLABLE CODE |
| S21.039A | Puncture wound without foreign body of unspecified breast, initial encounter | BILLABLE CODE |
| S21.039D | Puncture wound without foreign body of unspecified breast, subsequent encounter | BILLABLE CODE |
| S21.039S | Puncture wound without foreign body of unspecified breast, sequela | BILLABLE CODE |
| S21.04 | Puncture wound with foreign body of breast | NON-BILLABLE CODE |
| S21.041 | Puncture wound with foreign body of right breast | NON-BILLABLE CODE |
| S21.041A | Puncture wound with foreign body of right breast, initial encounter | BILLABLE CODE |
| S21.041D | Puncture wound with foreign body of right breast, subsequent encounter | BILLABLE CODE |
| S21.041S | Puncture wound with foreign body of right breast, sequela | BILLABLE CODE |
| S21.042 | Puncture wound with foreign body of left breast | NON-BILLABLE CODE |
| S21.042A | Puncture wound with foreign body of left breast, initial encounter | BILLABLE CODE |
| S21.042D | Puncture wound with foreign body of left breast, subsequent encounter | BILLABLE CODE |
| S21.042S | Puncture wound with foreign body of left breast, sequela | BILLABLE CODE |
| S21.049 | Puncture wound with foreign body of unspecified breast | NON-BILLABLE CODE |
| S21.049A | Puncture wound with foreign body of unspecified breast, initial encounter | BILLABLE CODE |
| S21.049D | Puncture wound with foreign body of unspecified breast, subsequent encounter | BILLABLE CODE |
| S21.049S | Puncture wound with foreign body of unspecified breast, sequela | BILLABLE CODE |
| S21.05 | Open bite of breast | NON-BILLABLE CODE |
| S21.051 | Open bite of right breast | NON-BILLABLE CODE |
| S21.051A | Open bite of right breast, initial encounter | BILLABLE CODE |
| S21.051D | Open bite of right breast, subsequent encounter | BILLABLE CODE |
| S21.051S | Open bite of right breast, sequela | BILLABLE CODE |
| S21.052 | Open bite of left breast | NON-BILLABLE CODE |
| S21.052A | Open bite of left breast, initial encounter | BILLABLE CODE |
| S21.052D | Open bite of left breast, subsequent encounter | BILLABLE CODE |
| S21.052S | Open bite of left breast, sequela | BILLABLE CODE |
| S21.059 | Open bite of unspecified breast | NON-BILLABLE CODE |
| S21.059A | Open bite of unspecified breast, initial encounter | BILLABLE CODE |
| S21.059D | Open bite of unspecified breast, subsequent encounter | BILLABLE CODE |
| S21.059S | Open bite of unspecified breast, sequela | BILLABLE CODE |
