ICD-10-CM Alphabetic Index · FY 2026 329 Entries

Carcinoma in the ICD-10-CM Index ICD-10-CM

The main term Carcinoma (malignant) carries 329 index entries pointing to 55 ICD-10-CM codes. 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
329
Index Entries
55
Codes Referenced
Default Code
C
Letter
329 of 329 shown
ICD-10-CM

Index Entries Under Carcinoma 329 entries · 55 codes

Carcinoma (malignant)
acidophil
specified site see Neoplasm, malignant, by site
unspecified site C75.1
acidophil-basophil, mixed
specified site see Neoplasm, malignant, by site
unspecified site C75.1
adnexal (skin) see Neoplasm, skin, malignant
adrenal cortical C74.0 Non-billable
alveolar see Neoplasm, lung, malignant
cell see Neoplasm, lung, malignant
ameloblastic C41.1
upper jaw (bone) C41.0
apocrine
breast see Neoplasm, breast, malignant
specified site NEC see Neoplasm, skin, malignant
unspecified site C44.99
basal cell (pigmented) (see also Neoplasm, skin, malignant) C44.91
fibro-epithelial see Neoplasm, skin, malignant
morphea see Neoplasm, skin, malignant
multicentric see Neoplasm, skin, malignant
basaloid
basal-squamous cell, mixed see Neoplasm, skin, malignant
basophil
specified site see Neoplasm, malignant, by site
unspecified site C75.1
basophil-acidophil, mixed
specified site see Neoplasm, malignant, by site
unspecified site C75.1
basosquamous see Neoplasm, skin, malignant
bile duct
with hepatocellular, mixed C22.0
liver C22.1
specified site NEC see Neoplasm, malignant, by site
unspecified site C22.1
branchial or branchiogenic C10.4
bronchial or bronchogenic see Neoplasm, lung, malignant
bronchiolar see Neoplasm, lung, malignant
bronchioloalveolar see Neoplasm, lung, malignant
C cell
specified site see Neoplasm, malignant, by site
unspecified site C73
ceruminous C44.29 Non-billable
cervix uteri
in situ D06.9
endocervix D06.0
exocervix D06.1
specified site NEC D06.7
chorionic
specified site see Neoplasm, malignant, by site
unspecified site
female C58
male C62.90
chromophobe
specified site see Neoplasm, malignant, by site
unspecified site C75.1
cloacogenic
specified site see Neoplasm, malignant, by site
unspecified site C21.2
diffuse type
specified site see Neoplasm, malignant, by site
unspecified site C16.9
duct (cell)
with Paget's disease see Neoplasm, breast, malignant
infiltrating
with lobular carcinoma (in situ)
specified site see Neoplasm, malignant, by site
unspecified site (female) C50.91 Non-billable
male C50.92 Non-billable
specified site see Neoplasm, malignant, by site
unspecified site (female) C50.91 Non-billable
male C50.92 Non-billable
ductal
with lobular
specified site see Neoplasm, malignant, by site
unspecified site (female) C50.91 Non-billable
male C50.92 Non-billable
ductular, infiltrating
specified site see Neoplasm, malignant, by site
unspecified site (female) C50.91 Non-billable
male C50.92 Non-billable
embryonal
liver C22.7
endometrioid
specified site see Neoplasm, malignant, by site
unspecified site
female C56.9
male C61
eosinophil
specified site see Neoplasm, malignant, by site
unspecified site C75.1
epidermoid see also Neoplasm, skin malignant
in situ, Bowen's type see Neoplasm, skin, in situ
fibroepithelial, basal cell see Neoplasm, skin, malignant
follicular
with papillary (mixed) C73
moderately differentiated C73
pure follicle C73
specified site see Neoplasm, malignant, by site
trabecular C73
unspecified site C73
well differentiated C73
generalized, with unspecified primary site C80.0
glycogen-rich see Neoplasm, breast, malignant
granulosa cell C56 Non-billable
hepatic cell C22.0
hepatocellular C22.0
with bile duct, mixed C22.0
fibrolamellar C22.0
hepatocholangiolitic C22.0
Hurthle cell C73
in
adenomatous
polyposis coli C18.9
pleomorphic adenoma see Neoplasm, salivary gland or duct, malignant
situ see Carcinoma-in-situ
infiltrating
duct
with lobular
specified site see Neoplasm, malignant, by site
unspecified site (female) C50.91 Non-billable
male C50.92 Non-billable
with Paget's disease see Neoplasm, breast, malignant
specified site see Neoplasm, malignant
unspecified site (female) C50.91 Non-billable
male C50.92 Non-billable
ductular
specified site see Neoplasm, malignant
unspecified site (female) C50.91 Non-billable
male C50.92 Non-billable
lobular
specified site see Neoplasm, malignant
unspecified site (female) C50.91 Non-billable
male C50.92 Non-billable
inflammatory
specified site see Neoplasm, malignant
unspecified site (female) C50.91 Non-billable
male C50.92 Non-billable
intestinal type
specified site see Neoplasm, malignant, by site
unspecified site C16.9
intracystic
noninfiltrating see Neoplasm, in situ, by site
intraductal (noninfiltrating)
with Paget's disease see Neoplasm, breast, malignant
breast D05.1 Non-billable
papillary
with invasion
specified site see Neoplasm, malignant, by site
unspecified site (female) C50.91 Non-billable
male C50.92 Non-billable
breast D05.1 Non-billable
specified site NEC see Neoplasm, in situ, by site
unspecified site (female) D05.1 Non-billable
specified site NEC see Neoplasm, in situ, by site
unspecified site (female) D05.1 Non-billable
intraepidermal see Neoplasm, in situ
squamous cell, Bowen's type see Neoplasm, skin, in situ
intraepithelial see Neoplasm, in situ, by site
squamous cell see Neoplasm, in situ, by site
intraosseous C41.1
upper jaw (bone) C41.0
islet cell
with exocrine, mixed
specified site see Neoplasm, malignant, by site
unspecified site C25.9
pancreas C25.4
specified site NEC see Neoplasm, malignant, by site
unspecified site C25.4
juvenile, breast see Neoplasm, breast, malignant
large cell
small cell
specified site see Neoplasm, malignant, by site
unspecified site C34.90
Leydig cell (testis)
specified site see Neoplasm, malignant, by site
unspecified site
female C56.9
male C62.90
lipid-rich (female) C50.91 Non-billable
male C50.92 Non-billable
liver cell C22.0
liver NEC C22.7
lobular (infiltrating)
with intraductal
specified site see Neoplasm, malignant, by site
unspecified site (female) C50.91 Non-billable
male C50.92 Non-billable
noninfiltrating
breast D05.0 Non-billable
specified site NEC see Neoplasm, in situ, by site
unspecified site D05.0 Non-billable
specified site see Neoplasm, malignant, by site
unspecified site (female) C50.91 Non-billable
male C50.92 Non-billable
medullary
with
amyloid stroma
specified site see Neoplasm, malignant, by site
unspecified site C73
lymphoid stroma
specified site see Neoplasm, malignant, by site
unspecified site (female) C50.91 Non-billable
male C50.92 Non-billable
Merkel cell C4A.9
anal margin C4A.51
anal skin C4A.51
canthus C4A.1 Non-billable
ear and external auricular canal C4A.2 Non-billable
external auricular canal C4A.2 Non-billable
eyelid, including canthus C4A.1 Non-billable
face C4A.30
specified NEC C4A.39
hip C4A.7 Non-billable
lip C4A.0
lower limb, including hip C4A.7 Non-billable
neck C4A.4
nodal presentation C7B.1
nose C4A.31
overlapping sites C4A.8
perianal skin C4A.51
scalp C4A.4
secondary C7B.1
shoulder C4A.6 Non-billable
skin of breast C4A.52
trunk NEC C4A.59
upper limb, including shoulder C4A.6 Non-billable
visceral metastatic C7B.1
metastatic see Neoplasm, secondary, by site
metatypical see Neoplasm, skin, malignant
morphea, basal cell see Neoplasm, skin, malignant
mucoid
cell
specified site see Neoplasm, malignant, by site
unspecified site C75.1
neuroendocrine see also Tumor, neuroendocrine
high grade, any site C7A.1
poorly differentiated, any site C7A.1
nonencapsulated sclerosing C73
noninfiltrating
intracystic see Neoplasm, in situ, by site
intraductal
breast D05.1 Non-billable
papillary
breast D05.1 Non-billable
specified site NEC see Neoplasm, in situ, by site
unspecified site D05.1 Non-billable
specified site see Neoplasm, in situ, by site
unspecified site D05.1 Non-billable
lobular
breast D05.0 Non-billable
specified site NEC see Neoplasm, in situ, by site
unspecified site (female) D05.0 Non-billable
oat cell
specified site see Neoplasm, malignant, by site
unspecified site C34.90
odontogenic C41.1
upper jaw (bone) C41.0
papillary
with follicular (mixed) C73
follicular variant C73
intraductal (noninfiltrating)
with invasion
specified site see Neoplasm, malignant, by site
unspecified site (female) C50.91 Non-billable
male C50.92 Non-billable
breast D05.1 Non-billable
specified site NEC see Neoplasm, in situ, by site
unspecified site D05.1 Non-billable
serous
specified site see Neoplasm, malignant, by site
surface
specified site see Neoplasm, malignant, by site
unspecified site C56.9
unspecified site C56.9
papillocystic
specified site see Neoplasm, malignant, by site
unspecified site C56.9
parafollicular cell
specified site see Neoplasm, malignant, by site
unspecified site C73
pilomatrix see Neoplasm, skin, malignant
pseudomucinous
specified site see Neoplasm, malignant, by site
unspecified site C56.9
renal cell C64 Non-billable
Schmincke see Neoplasm, nasopharynx, malignant
Schneiderian
specified site see Neoplasm, malignant, by site
unspecified site C30.0
sebaceous see Neoplasm, skin, malignant
secondary see also Neoplasm, secondary, by site
Merkel cell C7B.1
secretory, breast see Neoplasm, breast, malignant
serous
papillary
specified site see Neoplasm, malignant, by site
unspecified site C56.9
surface, papillary
specified site see Neoplasm, malignant, by site
unspecified site C56.9
Sertoli cell
specified site see Neoplasm, malignant, by site
unspecified site C62.90
female C56.9
male C62.90
skin appendage see Neoplasm, skin, malignant
small cell
fusiform cell
specified site see Neoplasm, malignant, by site
unspecified site C34.90
intermediate cell
specified site see Neoplasm, malignant, by site
unspecified site C34.90
large cell
specified site see Neoplasm, malignant, by site
unspecified site C34.90
solid
with amyloid stroma
specified site see Neoplasm, malignant, by site
unspecified site C73
microinvasive
specified site see Neoplasm, malignant, by site
unspecified site C53.9
sweat gland see Neoplasm, skin, malignant
theca cell C56.
thymic C37
unspecified site (primary) C80.1
water-clear cell C75.0

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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.