T20.4: Corrosion of unspecified degree of head, face, and neck codeFirst (T51-T65) to identify chemical and intent useAdditionalCode external cause code to identify place (Y92) |
| T20.40: Corrosion of unspecified degree of head, face, and neck, unspecified site |
| T20.41: Corrosion of unspecified degree of ear [any part, except ear drum] |
| T20.42: Corrosion of unspecified degree of lip(s) |
| T20.43: Corrosion of unspecified degree of chin |
| T20.44: Corrosion of unspecified degree of nose (septum) |
| T20.45: Corrosion of unspecified degree of scalp [any part] |
| T20.46: Corrosion of unspecified degree of forehead and cheek |
| T20.47: Corrosion of unspecified degree of neck |
| T20.49: Corrosion of unspecified degree of multiple sites of head, face, and neck |