| T32 | Corrosions classified according to extent of body surface involved | NON-BILLABLE CODE |
| T32.0 | Corrosions involving less than 10% of body surface | BILLABLE CODE |
| T32.1 | Corrosions involving 10-19% of body surface | NON-BILLABLE CODE |
| T32.10 | Corrosions involving 10-19% of body surface with 0% to 9% third degree corrosion | BILLABLE CODE |
| T32.11 | Corrosions involving 10-19% of body surface with 10-19% third degree corrosion | BILLABLE CODE |
| T32.2 | Corrosions involving 20-29% of body surface | NON-BILLABLE CODE |
| T32.20 | Corrosions involving 20-29% of body surface with 0% to 9% third degree corrosion | BILLABLE CODE |
| T32.21 | Corrosions involving 20-29% of body surface with 10-19% third degree corrosion | BILLABLE CODE |
| T32.22 | Corrosions involving 20-29% of body surface with 20-29% third degree corrosion | BILLABLE CODE |
| T32.3 | Corrosions involving 30-39% of body surface | NON-BILLABLE CODE |
| T32.30 | Corrosions involving 30-39% of body surface with 0% to 9% third degree corrosion | BILLABLE CODE |
| T32.31 | Corrosions involving 30-39% of body surface with 10-19% third degree corrosion | BILLABLE CODE |
| T32.32 | Corrosions involving 30-39% of body surface with 20-29% third degree corrosion | BILLABLE CODE |
| T32.33 | Corrosions involving 30-39% of body surface with 30-39% third degree corrosion | BILLABLE CODE |
| T32.4 | Corrosions involving 40-49% of body surface | NON-BILLABLE CODE |
| T32.40 | Corrosions involving 40-49% of body surface with 0% to 9% third degree corrosion | BILLABLE CODE |
| T32.41 | Corrosions involving 40-49% of body surface with 10-19% third degree corrosion | BILLABLE CODE |
| T32.42 | Corrosions involving 40-49% of body surface with 20-29% third degree corrosion | BILLABLE CODE |
| T32.43 | Corrosions involving 40-49% of body surface with 30-39% third degree corrosion | BILLABLE CODE |
| T32.44 | Corrosions involving 40-49% of body surface with 40-49% third degree corrosion | BILLABLE CODE |
| T32.5 | Corrosions involving 50-59% of body surface | NON-BILLABLE CODE |
| T32.50 | Corrosions involving 50-59% of body surface with 0% to 9% third degree corrosion | BILLABLE CODE |
| T32.52 | Corrosions involving 50-59% of body surface with 20-29% third degree corrosion | BILLABLE CODE |
| T32.53 | Corrosions involving 50-59% of body surface with 30-39% third degree corrosion | BILLABLE CODE |
| T32.54 | Corrosions involving 50-59% of body surface with 40-49% third degree corrosion | BILLABLE CODE |
| T32.55 | Corrosions involving 50-59% of body surface with 50-59% third degree corrosion | BILLABLE CODE |
| T32.6 | Corrosions involving 60-69% of body surface | NON-BILLABLE CODE |
| T32.60 | Corrosions involving 60-69% of body surface with 0% to 9% third degree corrosion | BILLABLE CODE |
| T32.61 | Corrosions involving 60-69% of body surface with 10-19% third degree corrosion | BILLABLE CODE |
| T32.62 | Corrosions involving 60-69% of body surface with 20-29% third degree corrosion | BILLABLE CODE |
| T32.63 | Corrosions involving 60-69% of body surface with 30-39% third degree corrosion | BILLABLE CODE |
| T32.64 | Corrosions involving 60-69% of body surface with 40-49% third degree corrosion | BILLABLE CODE |
| T32.65 | Corrosions involving 60-69% of body surface with 50-59% third degree corrosion | BILLABLE CODE |
| T32.66 | Corrosions involving 60-69% of body surface with 60-69% third degree corrosion | BILLABLE CODE |
| T32.7 | Corrosions involving 70-79% of body surface | NON-BILLABLE CODE |
| T32.70 | Corrosions involving 70-79% of body surface with 0% to 9% third degree corrosion | BILLABLE CODE |
| T32.71 | Corrosions involving 70-79% of body surface with 10-19% third degree corrosion | BILLABLE CODE |
| T32.72 | Corrosions involving 70-79% of body surface with 20-29% third degree corrosion | BILLABLE CODE |
| T32.73 | Corrosions involving 70-79% of body surface with 30-39% third degree corrosion | BILLABLE CODE |
| T32.74 | Corrosions involving 70-79% of body surface with 40-49% third degree corrosion | BILLABLE CODE |
| T32.75 | Corrosions involving 70-79% of body surface with 50-59% third degree corrosion | BILLABLE CODE |
| T32.76 | Corrosions involving 70-79% of body surface with 60-69% third degree corrosion | BILLABLE CODE |
| T32.77 | Corrosions involving 70-79% of body surface with 70-79% third degree corrosion | BILLABLE CODE |
| T32.8 | Corrosions involving 80-89% of body surface | NON-BILLABLE CODE |
| T32.80 | Corrosions involving 80-89% of body surface with 0% to 9% third degree corrosion | BILLABLE CODE |
| T32.81 | Corrosions involving 80-89% of body surface with 10-19% third degree corrosion | BILLABLE CODE |
| T32.82 | Corrosions involving 80-89% of body surface with 20-29% third degree corrosion | BILLABLE CODE |
| T32.83 | Corrosions involving 80-89% of body surface with 30-39% third degree corrosion | BILLABLE CODE |
| T32.84 | Corrosions involving 80-89% of body surface with 40-49% third degree corrosion | BILLABLE CODE |
| T32.85 | Corrosions involving 80-89% of body surface with 50-59% third degree corrosion | BILLABLE CODE |
| T32.86 | Corrosions involving 80-89% of body surface with 60-69% third degree corrosion | BILLABLE CODE |
| T32.87 | Corrosions involving 80-89% of body surface with 70-79% third degree corrosion | BILLABLE CODE |
| T32.88 | Corrosions involving 80-89% of body surface with 80-89% third degree corrosion | BILLABLE CODE |
| T32.9 | Corrosions involving 90% or more of body surface | NON-BILLABLE CODE |
| T32.90 | Corrosions involving 90% or more of body surface with 0% to 9% third degree corrosion | BILLABLE CODE |
| T32.91 | Corrosions involving 90% or more of body surface with 10-19% third degree corrosion | BILLABLE CODE |
| T32.92 | Corrosions involving 90% or more of body surface with 20-29% third degree corrosion | BILLABLE CODE |
| T32.93 | Corrosions involving 90% or more of body surface with 30-39% third degree corrosion | BILLABLE CODE |
| T32.94 | Corrosions involving 90% or more of body surface with 40-49% third degree corrosion | BILLABLE CODE |
| T32.95 | Corrosions involving 90% or more of body surface with 50-59% third degree corrosion | BILLABLE CODE |
| T32.96 | Corrosions involving 90% or more of body surface with 60-69% third degree corrosion | BILLABLE CODE |
| T32.97 | Corrosions involving 90% or more of body surface with 70-79% third degree corrosion | BILLABLE CODE |
| T32.98 | Corrosions involving 90% or more of body surface with 80-89% third degree corrosion | BILLABLE CODE |
| T32.99 | Corrosions involving 90% or more of body surface with 90% or more third degree corrosion | BILLABLE CODE |
