ICD-10-CM Alphabetic Index · FY 2026 182 Entries
Melanoma in the ICD-10-CM Index ICD-10-CM
The main term Melanoma (malignant) carries 182 index entries pointing to 39 ICD-10-CM codes. The default entry is C43.9, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
182
Index Entries
39
Codes Referenced
C43.9
Default Code
M
Letter
182 of 182 shown
ICD-10-CM
Index Entries Under Melanoma 182 entries · 39 codes
Melanoma (malignant) C43.9
acral lentiginous, malignant see Melanoma, skin, by site
amelanotic see Melanoma, skin, by site
balloon cell see Melanoma, skin, by site
benign see Nevus
desmoplastic, malignant see Melanoma, skin, by site
epithelioid cell see Melanoma, skin, by site
with spindle cell, mixed see Melanoma, skin, by site
in
giant pigmented nevus see Melanoma, skin, by site
Hutchinson's melanotic freckle see Melanoma, skin, by site
junctional nevus see Melanoma, skin, by site
precancerous melanosis see Melanoma, skin, by site
in situ D03.9
abdominal wall D03.59
ala nasi D03.39
ankle D03.7 Non-billable
anus, anal (margin) (skin) D03.51
arm D03.6 Non-billable
auditory canal D03.2 Non-billable
auricle (ear) D03.2 Non-billable
auricular canal (external) D03.2 Non-billable
axilla, axillary fold D03.59
back D03.59
breast D03.52
brow D03.39
buttock D03.59
canthus (eye) D03.1 Non-billable
cheek (external) D03.39
chest wall D03.59
chin D03.39
choroid D03.8
conjunctiva D03.8
ear (external) D03.2 Non-billable
external meatus (ear) D03.2 Non-billable
eye D03.8
eyebrow D03.39
eyelid (lower) (upper) D03.1 Non-billable
face D03.30
specified NEC D03.39
female genital organ (external) NEC D03.8
finger D03.6 Non-billable
flank D03.59
foot D03.7 Non-billable
forearm D03.6 Non-billable
forehead D03.39
foreskin D03.8
gluteal region D03.59
groin D03.59
hand D03.6 Non-billable
heel D03.7 Non-billable
helix D03.2 Non-billable
hip D03.7 Non-billable
interscapular region D03.59
iris D03.8
jaw D03.39
knee D03.7 Non-billable
labium (majus) (minus) D03.8
lacrimal gland D03.8
leg D03.7 Non-billable
lip (lower) (upper) D03.0
lower limb NEC D03.7 Non-billable
male genital organ (external) NEC D03.8
nail D03.9
finger D03.6 Non-billable
toe D03.7 Non-billable
neck D03.4
nose (external) D03.39
orbit D03.8
penis D03.8
perianal skin D03.51
perineum D03.51
pinna D03.2 Non-billable
popliteal fossa or space D03.7 Non-billable
prepuce D03.8
pudendum D03.8
retina D03.8
retrobulbar D03.8
scalp D03.4
scrotum D03.8
shoulder D03.6 Non-billable
specified site NEC D03.8
submammary fold D03.52
temple D03.39
thigh D03.7 Non-billable
toe D03.7 Non-billable
trunk NEC D03.59
umbilicus D03.59
upper limb NEC D03.6 Non-billable
vulva D03.8
juvenile see Nevus
malignant, of soft parts except skin see Neoplasm, connective tissue, malignant
metastatic
breast C79.81
genital organ C79.82
specified site NEC C79.89
neurotropic, malignant see Melanoma, skin, by site
nodular see Melanoma, skin, by site
regressing, malignant see Melanoma, skin, by site
skin C43.9
abdominal wall C43.59
ala nasi C43.31
ankle C43.7 Non-billable
anus, anal (skin) C43.51
arm C43.6 Non-billable
auditory canal (external) C43.2 Non-billable
auricle (ear) C43.2 Non-billable
auricular canal (external) C43.2 Non-billable
axilla, axillary fold C43.59
back C43.59
breast (female) (male) C43.52
brow C43.39
buttock C43.59
canthus (eye) C43.1 Non-billable
cheek (external) C43.39
chest wall C43.59
chin C43.39
ear (external) C43.2 Non-billable
elbow C43.6 Non-billable
external meatus (ear) C43.2 Non-billable
eyebrow C43.39
eyelid (lower) (upper) C43.1 Non-billable
face C43.30
specified NEC C43.39
female genital organ (external) NEC C51.9
finger C43.6 Non-billable
flank C43.59
foot C43.7 Non-billable
forearm C43.6 Non-billable
forehead C43.39
foreskin C60.0
glabella C43.39
gluteal region C43.59
groin C43.59
hand C43.6 Non-billable
heel C43.7 Non-billable
helix C43.2 Non-billable
hip C43.7 Non-billable
interscapular region C43.59
jaw (external) C43.39
knee C43.7 Non-billable
labium C51.9
majus C51.0
minus C51.1
leg C43.7 Non-billable
lip (lower) (upper) C43.0
lower limb NEC C43.7 Non-billable
male genital organ (external) NEC C63.9
nail
finger C43.6 Non-billable
toe C43.7 Non-billable
nasolabial groove C43.39
nates C43.59
neck C43.4
nose (external) C43.31
overlapping site C43.8
palpebra C43.1 Non-billable
penis C60.9
perianal skin C43.51
perineum C43.51
pinna C43.2 Non-billable
popliteal fossa or space C43.7 Non-billable
prepuce C60.0
pudendum C51.9
scalp C43.4
scrotum C63.2
shoulder C43.6 Non-billable
skin NEC C43.9
submammary fold C43.52
temple C43.39
thigh C43.7 Non-billable
toe C43.7 Non-billable
trunk NEC C43.59
umbilicus C43.59
upper limb NEC C43.6 Non-billable
vulva C51.9
overlapping sites C51.8
spindle cell
with epithelioid, mixed see Melanoma, skin, by site
type A C69.4 Non-billable
type B C69.4 Non-billable
superficial spreading see Melanoma, skin, by site
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
