C43.3
C43.3 — Malignant melanoma of other and unspecified parts of face
Non-billable headerICD-10-CM
C43.3 is a non-billable header ICD-10-CM code for malignant melanoma of other and unspecified parts of face. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with C43.3
These codes carry an Excludes1 note pointing at C43.3. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading C43.3 alone.
- C30.0Malignant neoplasm of nasal cavity
Risk adjustment
C43.3 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead C43.3
3 child codes. Green means billable.
Related codes at this level
Codes that share C43. If C43.3 is not quite right, the correct code is usually one of these.
- C43.0Malignant melanoma of lip
- C43.1Malignant melanoma of eyelid, including canthus
- C43.2Malignant melanoma of ear and external auricular canal
- C43.4Malignant melanoma of scalp and neck
- C43.5Malignant melanoma of trunk
- C43.6Malignant melanoma of upper limb, including shoulder
- C43.7Malignant melanoma of lower limb, including hip
- C43.8Malignant melanoma of overlapping sites of skin
- C43.9Malignant melanoma of skin, unspecified
Questions about C43.3
- Is C43.3 a billable ICD-10-CM code?
- No. C43.3 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does C43.3 sit in the tabular list?
- Neoplasms (C00-D49), in the block Melanoma and other malignant neoplasms of skin (C43-C44).