ICD-10 Code for Melanoma
Also indexed as (malignant)
The ICD-10-CM code for melanoma is C43.9 — Malignant melanoma of skin, unspecified. This is the code the Alphabetic Index gives for melanoma with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
BillableUnspecified
C43.9 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.
Which melanoma code should you use?
The Alphabetic Index lists 39 codes under Melanoma. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
Melanoma in situ
| abdominal wall | D03.59 | Melanoma in situ of other part of trunk | |
| ala nasi | D03.39 | Melanoma in situ of other parts of face | |
| ankle | D03.7 | Melanoma in situ of lower limb, including hip | not billable |
| anus, anal | D03.51 | Melanoma in situ of anal skin | |
| arm | D03.6 | Melanoma in situ of upper limb, including shoulder | not billable |
| auditory canal | D03.2 | Melanoma in situ of ear and external auricular canal | not billable |
| auricle | D03.2 | Melanoma in situ of ear and external auricular canal | not billable |
| auricular canal | D03.2 | Melanoma in situ of ear and external auricular canal | not billable |
| axilla, axillary fold | D03.59 | Melanoma in situ of other part of trunk | |
| back | D03.59 | Melanoma in situ of other part of trunk | |
| breast | D03.52 | Melanoma in situ of breast (skin) (soft tissue) | |
| brow | D03.39 | Melanoma in situ of other parts of face | |
| buttock | D03.59 | Melanoma in situ of other part of trunk | |
| canthus | D03.1 | Melanoma in situ of eyelid, including canthus | not billable |
| cheek | D03.39 | Melanoma in situ of other parts of face | |
| chest wall | D03.59 | Melanoma in situ of other part of trunk | |
| chin | D03.39 | Melanoma in situ of other parts of face | |
| choroid | D03.8 | Melanoma in situ of other sites | |
| conjunctiva | D03.8 | Melanoma in situ of other sites | |
| ear | D03.2 | Melanoma in situ of ear and external auricular canal | not billable |
| external meatus | D03.2 | Melanoma in situ of ear and external auricular canal | not billable |
| eye | D03.8 | Melanoma in situ of other sites | |
| eyebrow | D03.39 | Melanoma in situ of other parts of face | |
| eyelid | D03.1 | Melanoma in situ of eyelid, including canthus | not billable |
| face | D03.30 | Melanoma in situ of unspecified part of face | |
| female genital organNEC | D03.8 | Melanoma in situ of other sites | |
| finger | D03.6 | Melanoma in situ of upper limb, including shoulder | not billable |
| flank | D03.59 | Melanoma in situ of other part of trunk | |
| foot | D03.7 | Melanoma in situ of lower limb, including hip | not billable |
| forearm | D03.6 | Melanoma in situ of upper limb, including shoulder | not billable |
| forehead | D03.39 | Melanoma in situ of other parts of face | |
| foreskin | D03.8 | Melanoma in situ of other sites | |
| gluteal region | D03.59 | Melanoma in situ of other part of trunk | |
| groin | D03.59 | Melanoma in situ of other part of trunk | |
| hand | D03.6 | Melanoma in situ of upper limb, including shoulder | not billable |
| heel | D03.7 | Melanoma in situ of lower limb, including hip | not billable |
| helix | D03.2 | Melanoma in situ of ear and external auricular canal | not billable |
| hip | D03.7 | Melanoma in situ of lower limb, including hip | not billable |
| interscapular region | D03.59 | Melanoma in situ of other part of trunk | |
| iris | D03.8 | Melanoma in situ of other sites | |
| jaw | D03.39 | Melanoma in situ of other parts of face | |
| knee | D03.7 | Melanoma in situ of lower limb, including hip | not billable |
| labium | D03.8 | Melanoma in situ of other sites | |
| lacrimal gland | D03.8 | Melanoma in situ of other sites | |
| leg | D03.7 | Melanoma in situ of lower limb, including hip | not billable |
| lip | D03.0 | Melanoma in situ of lip | |
| lower limb NEC | D03.7 | Melanoma in situ of lower limb, including hip | not billable |
| male genital organNEC | D03.8 | Melanoma in situ of other sites | |
| nail | D03.9 | Melanoma in situ, unspecified | |
| neck | D03.4 | Melanoma in situ of scalp and neck | |
| nose | D03.39 | Melanoma in situ of other parts of face | |
| orbit | D03.8 | Melanoma in situ of other sites | |
| penis | D03.8 | Melanoma in situ of other sites | |
| perianal skin | D03.51 | Melanoma in situ of anal skin | |
| perineum | D03.51 | Melanoma in situ of anal skin | |
| pinna | D03.2 | Melanoma in situ of ear and external auricular canal | not billable |
| popliteal fossa or space | D03.7 | Melanoma in situ of lower limb, including hip | not billable |
| prepuce | D03.8 | Melanoma in situ of other sites | |
| pudendum | D03.8 | Melanoma in situ of other sites | |
| retina | D03.8 | Melanoma in situ of other sites | |
| retrobulbar | D03.8 | Melanoma in situ of other sites | |
| scalp | D03.4 | Melanoma in situ of scalp and neck | |
| scrotum | D03.8 | Melanoma in situ of other sites | |
| shoulder | D03.6 | Melanoma in situ of upper limb, including shoulder | not billable |
| specified site NEC | D03.8 | Melanoma in situ of other sites | |
| submammary fold | D03.52 | Melanoma in situ of breast (skin) (soft tissue) | |
| temple | D03.39 | Melanoma in situ of other parts of face | |
| thigh | D03.7 | Melanoma in situ of lower limb, including hip | not billable |
| toe | D03.7 | Melanoma in situ of lower limb, including hip | not billable |
| trunk NEC | D03.59 | Melanoma in situ of other part of trunk | |
| umbilicus | D03.59 | Melanoma in situ of other part of trunk | |
| upper limb NEC | D03.6 | Melanoma in situ of upper limb, including shoulder | not billable |
| vulva | D03.8 | Melanoma in situ of other sites |
Melanoma metastatic
Melanoma skin
| abdominal wall | C43.59 | Malignant melanoma of other part of trunk | |
| ala nasi | C43.31 | Malignant melanoma of nose | |
| ankle | C43.7 | Malignant melanoma of lower limb, including hip | not billable |
| anus, anal | C43.51 | Malignant melanoma of anal skin | |
| arm | C43.6 | Malignant melanoma of upper limb, including shoulder | not billable |
| auditory canal | C43.2 | Malignant melanoma of ear and external auricular canal | not billable |
| auricle | C43.2 | Malignant melanoma of ear and external auricular canal | not billable |
| auricular canal | C43.2 | Malignant melanoma of ear and external auricular canal | not billable |
| axilla, axillary fold | C43.59 | Malignant melanoma of other part of trunk | |
| back | C43.59 | Malignant melanoma of other part of trunk | |
| breast | C43.52 | Malignant melanoma of skin of breast | |
| brow | C43.39 | Malignant melanoma of other parts of face | |
| buttock | C43.59 | Malignant melanoma of other part of trunk | |
| canthus | C43.1 | Malignant melanoma of eyelid, including canthus | not billable |
| cheek | C43.39 | Malignant melanoma of other parts of face | |
| chest wall | C43.59 | Malignant melanoma of other part of trunk | |
| chin | C43.39 | Malignant melanoma of other parts of face | |
| ear | C43.2 | Malignant melanoma of ear and external auricular canal | not billable |
| elbow | C43.6 | Malignant melanoma of upper limb, including shoulder | not billable |
| external meatus | C43.2 | Malignant melanoma of ear and external auricular canal | not billable |
| eyebrow | C43.39 | Malignant melanoma of other parts of face | |
| eyelid | C43.1 | Malignant melanoma of eyelid, including canthus | not billable |
| face | C43.30 | Malignant melanoma of unspecified part of face | |
| female genital organNEC | C51.9 | Malignant neoplasm of vulva, unspecified | |
| finger | C43.6 | Malignant melanoma of upper limb, including shoulder | not billable |
| flank | C43.59 | Malignant melanoma of other part of trunk | |
| foot | C43.7 | Malignant melanoma of lower limb, including hip | not billable |
| forearm | C43.6 | Malignant melanoma of upper limb, including shoulder | not billable |
| forehead | C43.39 | Malignant melanoma of other parts of face | |
| foreskin | C60.0 | Malignant neoplasm of prepuce | |
| glabella | C43.39 | Malignant melanoma of other parts of face | |
| gluteal region | C43.59 | Malignant melanoma of other part of trunk | |
| groin | C43.59 | Malignant melanoma of other part of trunk | |
| hand | C43.6 | Malignant melanoma of upper limb, including shoulder | not billable |
| heel | C43.7 | Malignant melanoma of lower limb, including hip | not billable |
| helix | C43.2 | Malignant melanoma of ear and external auricular canal | not billable |
| hip | C43.7 | Malignant melanoma of lower limb, including hip | not billable |
| interscapular region | C43.59 | Malignant melanoma of other part of trunk | |
| jaw | C43.39 | Malignant melanoma of other parts of face | |
| knee | C43.7 | Malignant melanoma of lower limb, including hip | not billable |
| labium | C51.9 | Malignant neoplasm of vulva, unspecified | |
| leg | C43.7 | Malignant melanoma of lower limb, including hip | not billable |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources