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Neoplasm Table

skin NOS

SiteMalignant primaryMalignant secondaryCa in situBenignUncertain behaviorUnspecified behavior
skin NOSC44.90C79.2D04.9D23.9D48.5D49.2
abdominal wallC44.509C79.2D04.5D23.5D48.5D49.2
basal cell carcinomaC44.519—————
specified type NECC44.599—————
squamous cell carcinomaC44.529—————
ala nasi — see also Neoplasm, nose, skinC44.301C79.2D04.39D23.39D48.5D49.2
ankle — see also Neoplasm, skin, limb, lowerC44.70-C79.2D04.7-D23.7-D48.5D49.2
antecubital space — see also Neoplasm, skin, limb, upperC44.60-C79.2D04.6-D23.6-D48.5D49.2
anusC44.500C79.2D04.5D23.5D48.5D49.2
basal cell carcinomaC44.510—————
specified type NECC44.590—————
squamous cell carcinomaC44.520—————
arm — see also Neoplasm, skin, limb, upperC44.60-C79.2D04.6-D23.6-D48.5D49.2
auditory canal (external) — see also Neoplasm, skin, earC44.20-C79.2D04.2-D23.2-D48.5D49.2
auricle (ear) — see also Neoplasm, skin, earC44.20-C79.2D04.2-D23.2-D48.5D49.2
auricular canal (external) — see also Neoplasm, skin, earC44.20-C79.2D04.2-D23.2-D48.5D49.2
axilla, axillary fold — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
back — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
basal cell carcinomaC44.91—————
breastC44.501C79.2D04.5D23.5D48.5D49.2
basal cell carcinomaC44.511—————
specified type NECC44.591—————
squamous cell carcinomaC44.521—————
brow — see also Neoplasm, skin, faceC44.309C79.2D04.39D23.39D48.5D49.2
buttock — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
calf — see also Neoplasm, skin, limb, lowerC44.70-C79.2D04.7-D23.7-D48.5D49.2
canthus (eye) (inner) (outer)C44.10-C79.2D04.1-D23.1-D48.5D49.2
basal cell carcinomaC44.11-—————
sebaceous cellC44.13-—————
specified type NECC44.19-—————
squamous cell carcinomaC44.12-—————
cervical region — see also Neoplasm, skin, neckC44.40C79.2D04.4D23.4D48.5D49.2
cheek (external) — see also Neoplasm, skin, faceC44.309C79.2D04.39D23.39D48.5D49.2
chest (wall) — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
chin — see also Neoplasm, skin, faceC44.309C79.2D04.39D23.39D48.5D49.2
clavicular area — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
clitorisC51.2C79.82D07.1D28.0D39.8D49.59
columnella — see also Neoplasm, skin, faceC44.309C79.2D04.39D23.39D48.5D49.2
concha — see also Neoplasm, skin, earC44.20-C79.2D04.2-D23.2-D48.5D49.2
ear (external)C44.20-C79.2D04.2-D23.2-D48.5D49.2
basal cell carcinomaC44.21-—————
specified type NECC44.29-—————
squamous cell carcinomaC44.22-—————
elbow — see also Neoplasm, skin, limb, upperC44.60-C79.2D04.6-D23.6-D48.5D49.2
eyebrow — see also Neoplasm, skin, faceC44.309C79.2D04.39D23.39D48.5D49.2
eyelidC44.10-C79.2D04.1-D23.1-D48.5D49.2
basal cell carcinomaC44.11-—————
sebaceous cellC44.13-—————
specified type NECC44.19-—————
squamous cell carcinomaC44.12-—————
face NOSC44.300C79.2D04.30D23.30D48.5D49.2
basal cell carcinomaC44.310—————
specified type NECC44.390—————
squamous cell carcinomaC44.320—————
female genital organs (external)C51.9C79.82D07.1D28.0D39.8D49.59
clitorisC51.2C79.82D07.1D28.0D39.8D49.59
labium NECC51.9C79.82D07.1D28.0D39.8D49.59
majusC51.0C79.82D07.1D28.0D39.8D49.59
minusC51.1C79.82D07.1D28.0D39.8D49.59
pudendumC51.9C79.82D07.1D28.0D39.8D49.59
vulvaC51.9C79.82D07.1D28.0D39.8D49.59
finger — see also Neoplasm, skin, limb, upperC44.60-C79.2D04.6-D23.6-D48.5D49.2
flank — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
foot — see also Neoplasm, skin, limb, lowerC44.70-C79.2D04.7-D23.7-D48.5D49.2
forearm — see also Neoplasm, skin, limb, upperC44.60-C79.2D04.6-D23.6-D48.5D49.2
forehead — see also Neoplasm, skin, faceC44.309C79.2D04.39D23.39D48.5D49.2
glabella — see also Neoplasm, skin, faceC44.309C79.2D04.39D23.39D48.5D49.2
gluteal region — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
groin — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
hand — see also Neoplasm, skin, limb, upperC44.60-C79.2D04.6-D23.6-D48.5D49.2
head NEC — see also Neoplasm, skin, scalpC44.40C79.2D04.4D23.4D48.5D49.2
heel — see also Neoplasm, skin, limb, lowerC44.70-C79.2D04.7-D23.7-D48.5D49.2
helix — see also Neoplasm, skin, earC44.20-C79.2D04.2-D23.2-D48.5D49.2
hip — see also Neoplasm, skin, limb, lowerC44.70-C79.2D04.7-D23.7-D48.5D49.2
infraclavicular region — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
inguinal region — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
jaw — see also Neoplasm, skin, faceC44.309C79.2D04.39D23.39D48.5D49.2
Kaposi's sarcoma — see Kaposi's, sarcoma, skin——————
knee — see also Neoplasm, skin, limb, lowerC44.70-C79.2D04.7-D23.7-D48.5D49.2
labia——————
majoraC51.0C79.82D07.1D28.0D39.8D49.59
minoraC51.1C79.82D07.1D28.0D39.8D49.59
leg — see also Neoplasm, skin, limb, lowerC44.70-C79.2D04.7-D23.7-D48.5D49.2
lid (lower) (upper)C44.10-C79.2D04.1-D23.1-D48.5D49.2
basal cell carcinomaC44.11-—————
sebaceous cellC44.13-—————
specified type NECC44.19-—————
squamous cell carcinomaC44.12-—————
limb NECC44.90C79.2D04.9D23.9D48.5D49.2
basal cell carcinomaC44.91—————
lowerC44.70-C79.2D04.7-D23.7-D48.5D49.2
basal cell carcinomaC44.71-—————
specified type NECC44.79-—————
squamous cell carcinomaC44.72-—————
upperC44.60-C79.2D04.6-D23.6-D48.5D49.2
basal cell carcinomaC44.61-—————
specified type NECC44.69-—————
squamous cell carcinomaC44.62-—————
lip (lower) (upper)C44.00C79.2D04.0D23.0D48.5D49.2
basal cell carcinomaC44.01—————
specified type NECC44.09—————
squamous cell carcinomaC44.02—————
male genital organsC63.9C79.82D07.60D29.9D40.8D49.59
penisC60.9C79.82D07.4D29.0D40.8D49.59
prepuceC60.0C79.82D07.4D29.0D40.8D49.59
scrotumC63.2C79.82D07.61D29.4D40.8D49.59
mastectomy site (skin) — see also Neoplasm, skin, breastC44.501C79.2————
specified as breast tissueC50.8-C79.81————
meatus, acoustic (external) — see also Neoplasm, skin, earC44.20-C79.2D04.2-D23.2-D48.5D49.2
melanotic — see Melanoma——————
Merkel cell — see Carcinoma, Merkel cell——————
nates — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
neckC44.40C79.2D04.4D23.4D48.5D49.2
basal cell carcinomaC44.41—————
specified type NECC44.49—————
squamous cell carcinomaC44.42—————
nevus — see Nevus, skin——————
nose (external) — see also Neoplasm, nose, skinC44.301C79.2D04.39D23.39D48.5D49.2
overlapping lesionC44.80—————
basal cell carcinomaC44.81—————
specified type NECC44.89—————
squamous cell carcinomaC44.82—————
palm — see also Neoplasm, skin, limb, upperC44.60-C79.2D04.6-D23.6-D48.5D49.2
palpebraC44.10-C79.2D04.1-D23.1-D48.5D49.2
basal cell carcinomaC44.11-—————
sebaceous cellC44.13-—————
specified type NECC44.19-—————
squamous cell carcinomaC44.12-—————
penis NECC60.9C79.82D07.4D29.0D40.8D49.59
perianal — see also Neoplasm, skin, anusC44.500C79.2D04.5D23.5D48.5D49.2
perineum — see also Neoplasm, skin, anusC44.500C79.2D04.5D23.5D48.5D49.2
pinna — see also Neoplasm, skin, earC44.20-C79.2D04.2-D23.2-D48.5D49.2
plantar — see also Neoplasm, skin, limb, lowerC44.70-C79.2D04.7-D23.7-D48.5D49.2
popliteal fossa or space — see also Neoplasm, skin, limb, lowerC44.70-C79.2D04.7-D23.7-D48.5D49.2
prepuceC60.0C79.82D07.4D29.0D40.8D49.59
pubes — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
sacrococcygeal region — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
scalpC44.40C79.2D04.4D23.4D48.5D49.2
basal cell carcinomaC44.41—————
specified type NECC44.49—————
squamous cell carcinomaC44.42—————
scapular region — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
scrotumC63.2C79.82D07.61D29.4D40.8D49.59
shoulder — see also Neoplasm, skin, limb, upperC44.60-C79.2D04.6-D23.6-D48.5D49.2
sole (foot) — see also Neoplasm, skin, limb, lowerC44.70-C79.2D04.7-D23.7-D48.5D49.2
specified sites NECC44.80C79.2D04.8D23.9D48.5D49.2
basal cell carcinomaC44.81—————
specified type NECC44.89—————
squamous cell carcinomaC44.82—————
specified type NECC44.99—————
squamous cell carcinomaC44.92—————
submammary fold — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
supraclavicular region — see also Neoplasm, skin, neckC44.40C79.2D04.4D23.4D48.5D49.2
temple — see also Neoplasm, skin, faceC44.309C79.2D04.39D23.39D48.5D49.2
thigh — see also Neoplasm, skin, limb, lowerC44.70-C79.2D04.7-D23.7-D48.5D49.2
thoracic wall — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
thumb — see also Neoplasm, skin, limb, upperC44.60-C79.2D04.6-D23.6-D48.5D49.2
toe — see also Neoplasm, skin, limb, lowerC44.70-C79.2D04.7-D23.7-D48.5D49.2
tragus — see also Neoplasm, skin, earC44.20-C79.2D04.2-D23.2-D48.5D49.2
trunkC44.509C79.2D04.5D23.5D48.5D49.2
basal cell carcinomaC44.519—————
specified type NECC44.599—————
squamous cell carcinomaC44.529—————
umbilicus — see also Neoplasm, skin, trunkC44.509C79.2D04.5D23.5D48.5D49.2
vulvaC51.9C79.82D07.1D28.0D39.8D49.59
overlapping lesionC51.8—————
wrist — see also Neoplasm, skin, limb, upperC44.60-C79.2D04.6-D23.6-D48.5D49.2
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.

Frequently asked questions

What are the ICD-10-CM neoplasm codes for skin NOS?

Per the ICD-10-CM Neoplasm Table: malignant primary C44.90; malignant secondary C79.2; ca in situ D04.9; benign D23.9; uncertain behavior D48.5; unspecified behavior D49.2. Always confirm the code, and add the required 7th character where applicable, in the Tabular List.

ICD-10-CM Neoplasm Table maintained by CDC/NCHS (public domain), from the CMS FY2027 release.