ICD-10-CM Alphabetic Index · FY 2026 143 Entries

Adenocarcinoma in the ICD-10-CM Index ICD-10-CM

The main term Adenocarcinoma carries 143 index entries pointing to 22 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
143
Index Entries
22
Codes Referenced
Default Code
A
Letter
143 of 143 shown
ICD-10-CM

Index Entries Under Adenocarcinoma 143 entries · 22 codes

Adenocarcinoma
acidophil
specified site see Neoplasm, malignant, by site
unspecified site C75.1
adrenal cortical C74.0- Non-billable
alveolar see Neoplasm, lung, malignant
apocrine
breast see Neoplasm, breast, malignant
in situ
breast D05.8- Non-billable
specified site NEC see Neoplasm, skin, in situ
unspecified site D04.9
specified site NEC see Neoplasm, skin, malignant
unspecified site C44.99
basal cell
specified site see Neoplasm, skin, malignant
unspecified site C08.9
basophil
specified site see Neoplasm, malignant, by site
unspecified site C75.1
bile duct type C22.1
liver C22.1
specified site NEC see Neoplasm, malignant, by site
unspecified site C22.1
bronchiolar see Neoplasm, lung, malignant
bronchioloalveolar see Neoplasm, lung, malignant
ceruminous C44.29- Non-billable
cervix, in situ D06.9 see also Carcinoma, cervix uteri, in situ
chromophobe
specified site see Neoplasm, malignant, by site
unspecified site C75.1
diffuse type
specified site see Neoplasm, malignant, by site
unspecified site C16.9
duct
infiltrating
with Paget's disease see Neoplasm, breast, malignant
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 C56.9
male C61
eosinophil
specified site see Neoplasm, malignant, by site
unspecified site C75.1
follicular
with papillary C73
moderately differentiated C73
specified site see Neoplasm, malignant, by site
trabecular C73
unspecified site C73
well differentiated C73
Hurthle cell C73
in
adenomatous
polyposis coli C18.9
infiltrating duct
with Paget's disease see Neoplasm, breast, malignant
specified site see Neoplasm, by site, malignant
unspecified site (female) C50.91- Non-billable
male C50.92- Non-billable
inflammatory
specified site see Neoplasm, by site, malignant
unspecified site (female) C50.91- Non-billable
male C50.92- Non-billable
intestinal type
specified site see Neoplasm, by site, malignant
unspecified site C16.9
intracystic papillary
intraductal
breast D05.1- Non-billable
noninfiltrating
breast D05.1- Non-billable
papillary
with invasion
specified site see Neoplasm, by site, malignant
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
specified site NEC see Neoplasm, in situ, by site
unspecified site 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 see Neoplasm, in situ, by site
unspecified site D05.1- Non-billable
specified site NEC see Neoplasm, in situ, by site
unspecified site D05.1- Non-billable
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
lobular
in situ
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
mucoid see also Neoplasm, malignant, by site
cell
specified site see Neoplasm, malignant, by site
unspecified site C75.1
nonencapsulated sclerosing C73
papillary
with follicular 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
unspecified site C56.9
papillocystic
specified site see Neoplasm, malignant, by site
unspecified site C56.9
pseudomucinous
specified site see Neoplasm, malignant, by site
unspecified site C56.9
renal cell C64- Non-billable
sebaceous see Neoplasm, skin, malignant
serous see also Neoplasm, malignant, by site
papillary
specified site see Neoplasm, malignant, by site
unspecified site C56.9
sweat gland see Neoplasm, skin, malignant
water-clear cell C75.0

The info icon previews the code's description and billable status; the code link opens its full page with all notations.

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.