ICD-10-CM Tag List · Table of Neoplasms · FY 2026 364 Codes

2026 Primary Malignant Neoplasms ICD-10-CM Codes ICD-10-CM

The FY 2026 dataset contains 364 primary malignant neoplasms codes across 67 code blocks. Primary malignant neoplasm codes document cancer at its site of origin, the Malignant Primary column of the Table of Neoplasms. Each code below lists the anatomical sites that map to it, so this page can be searched by site.

✓ Built from the official CMS FY 2026 datasetEffective Oct 1, 2025 – Sep 30, 2026
364
Codes
67
Code Blocks
296
Billable
FY 2026
Dataset

Coding Guidance

Determine the behavior first: benign, in situ, malignant, or uncertain. For malignant neoplasms, code the primary site and every documented secondary site.

ICD-10-CM

All Primary Malignant Neoplasms Codes 364 codes · searchable by anatomical site

364 of 364 shown

Malignant neoplasm of lip C00 · 9 codes

  • C00.0 Malignant neoplasm of external upper lip
  • C00.1 Malignant neoplasm of external lower lip
  • C00.2 Malignant neoplasm of external lip, unspecified
  • C00.3 Malignant neoplasm of upper lip, inner aspect
  • C00.4 Malignant neoplasm of lower lip, inner aspect
  • C00.5 Malignant neoplasm of lip, unspecified, inner aspect
  • C00.6 Malignant neoplasm of commissure of lip, unspecified
  • C00.8 Malignant neoplasm of overlapping sites of lip
  • C00.9 Malignant neoplasm of lip, unspecified

Malignant neoplasm of base of tongue C01 · 1 codes

  • C01 Malignant neoplasm of base of tongue

Malignant neoplasm of other and unspecified parts of tongue C02 · 7 codes

  • C02.0 Malignant neoplasm of dorsal surface of tongue
  • C02.1 Malignant neoplasm of border of tongue
  • C02.2 Malignant neoplasm of ventral surface of tongue
  • C02.3 Malignant neoplasm of anterior two-thirds of tongue, part unspecified
  • C02.4 Malignant neoplasm of lingual tonsil
  • C02.8 Malignant neoplasm of overlapping sites of tongue
  • C02.9 Malignant neoplasm of tongue, unspecified

Malignant neoplasm of gum C03 · 3 codes

  • C03.0 Malignant neoplasm of upper gum
  • C03.1 Malignant neoplasm of lower gum
  • C03.9 Malignant neoplasm of gum, unspecified

Malignant neoplasm of floor of mouth C04 · 4 codes

  • C04.0 Malignant neoplasm of anterior floor of mouth
  • C04.1 Malignant neoplasm of lateral floor of mouth
  • C04.8 Malignant neoplasm of overlapping sites of floor of mouth
  • C04.9 Malignant neoplasm of floor of mouth, unspecified

Malignant neoplasm of palate C05 · 5 codes

  • C05.0 Malignant neoplasm of hard palate
  • C05.1 Malignant neoplasm of soft palate
  • C05.2 Malignant neoplasm of uvula
  • C05.8 Malignant neoplasm of overlapping sites of palate
  • C05.9 Malignant neoplasm of palate, unspecified

Malignant neoplasm of other and unspecified parts of mouth C06 · 6 codes

  • C06.0 Malignant neoplasm of cheek mucosa
  • C06.1 Malignant neoplasm of vestibule of mouth
  • C06.2 Malignant neoplasm of retromolar area
  • C06.80 Malignant neoplasm of overlapping sites of unspecified parts of mouth
  • C06.89 Malignant neoplasm of overlapping sites of other parts of mouth
  • C06.9 Malignant neoplasm of mouth, unspecified

Malignant neoplasm of parotid gland C07 · 1 codes

  • C07 Malignant neoplasm of parotid gland

Malignant neoplasm of other and unspecified major salivary glands C08 · 3 codes

  • C08.0 Malignant neoplasm of submandibular gland
  • C08.1 Malignant neoplasm of sublingual gland
  • C08.9 Malignant neoplasm of major salivary gland, unspecified

Malignant neoplasm of tonsil C09 · 4 codes

  • C09.0 Malignant neoplasm of tonsillar fossa
  • C09.1 Malignant neoplasm of tonsillar pillar (anterior) (posterior)
  • C09.8 Malignant neoplasm of overlapping sites of tonsil
  • C09.9 Malignant neoplasm of tonsil, unspecified

Malignant neoplasm of oropharynx C10 · 7 codes

  • C10.0 Malignant neoplasm of vallecula
  • C10.1 Malignant neoplasm of anterior surface of epiglottis
  • C10.2 Malignant neoplasm of lateral wall of oropharynx
  • C10.3 Malignant neoplasm of posterior wall of oropharynx
  • C10.4 Malignant neoplasm of branchial cleft
  • C10.8 Malignant neoplasm of overlapping sites of oropharynx
  • C10.9 Malignant neoplasm of oropharynx, unspecified

Malignant neoplasm of nasopharynx C11 · 6 codes

  • C11.0 Malignant neoplasm of superior wall of nasopharynx
  • C11.1 Malignant neoplasm of posterior wall of nasopharynx
  • C11.2 Malignant neoplasm of lateral wall of nasopharynx
  • C11.3 Malignant neoplasm of anterior wall of nasopharynx
  • C11.8 Malignant neoplasm of overlapping sites of nasopharynx
  • C11.9 Malignant neoplasm of nasopharynx, unspecified

Malignant neoplasm of pyriform sinus C12 · 1 codes

  • C12 Malignant neoplasm of pyriform sinus

Malignant neoplasm of hypopharynx C13 · 5 codes

  • C13.0 Malignant neoplasm of postcricoid region
  • C13.1 Malignant neoplasm of aryepiglottic fold, hypopharyngeal aspect
  • C13.2 Malignant neoplasm of posterior wall of hypopharynx
  • C13.8 Malignant neoplasm of overlapping sites of hypopharynx
  • C13.9 Malignant neoplasm of hypopharynx, unspecified

Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx C14 · 3 codes

  • C14.0 Malignant neoplasm of pharynx, unspecified
  • C14.2 Malignant neoplasm of Waldeyer's ring
  • C14.8 Malignant neoplasm of overlapping sites of lip, oral cavity and pharynx

Malignant neoplasm of esophagus C15 · 5 codes

  • C15.3 Malignant neoplasm of upper third of esophagus
  • C15.4 Malignant neoplasm of middle third of esophagus
  • C15.5 Malignant neoplasm of lower third of esophagus
  • C15.8 Malignant neoplasm of overlapping sites of esophagus
  • C15.9 Malignant neoplasm of esophagus, unspecified

Malignant neoplasm of stomach C16 · 9 codes

  • C16.0 Malignant neoplasm of cardia
  • C16.1 Malignant neoplasm of fundus of stomach
  • C16.2 Malignant neoplasm of body of stomach
  • C16.3 Malignant neoplasm of pyloric antrum
  • C16.4 Malignant neoplasm of pylorus
  • C16.5 Malignant neoplasm of lesser curvature of stomach, unspecified
  • C16.6 Malignant neoplasm of greater curvature of stomach, unspecified
  • C16.8 Malignant neoplasm of overlapping sites of stomach
  • C16.9 Malignant neoplasm of stomach, unspecified

Malignant neoplasm of small intestine C17 · 6 codes

  • C17.0 Malignant neoplasm of duodenum
  • C17.1 Malignant neoplasm of jejunum
  • C17.2 Malignant neoplasm of ileum
  • C17.3 Meckel's diverticulum, malignant
  • C17.8 Malignant neoplasm of overlapping sites of small intestine
  • C17.9 Malignant neoplasm of small intestine, unspecified

Malignant neoplasm of colon C18 · 10 codes

  • C18.0 Malignant neoplasm of cecum
  • C18.1 Malignant neoplasm of appendix
  • C18.2 Malignant neoplasm of ascending colon
  • C18.3 Malignant neoplasm of hepatic flexure
  • C18.4 Malignant neoplasm of transverse colon
  • C18.5 Malignant neoplasm of splenic flexure
  • C18.6 Malignant neoplasm of descending colon
  • C18.7 Malignant neoplasm of sigmoid colon
  • C18.8 Malignant neoplasm of overlapping sites of colon
  • C18.9 Malignant neoplasm of colon, unspecified

Malignant neoplasm of rectosigmoid junction C19 · 1 codes

  • C19 Malignant neoplasm of rectosigmoid junction

Malignant neoplasm of rectum C20 · 1 codes

  • C20 Malignant neoplasm of rectum

Malignant neoplasm of anus and anal canal C21 · 4 codes

  • C21.0 Malignant neoplasm of anus, unspecified
  • C21.1 Malignant neoplasm of anal canal
  • C21.2 Malignant neoplasm of cloacogenic zone
  • C21.8 Malignant neoplasm of overlapping sites of rectum, anus and anal canal

Malignant neoplasm of liver and intrahepatic bile ducts C22 · 5 codes

  • C22.0 Liver cell carcinoma
  • C22.1 Intrahepatic bile duct carcinoma
  • C22.2 Hepatoblastoma
  • C22.8 Malignant neoplasm of liver, primary, unspecified as to type
  • C22.9 Malignant neoplasm of liver, not specified as primary or secondary

Malignant neoplasm of gallbladder C23 · 1 codes

  • C23 Malignant neoplasm of gallbladder

Malignant neoplasm of other and unspecified parts of biliary tract C24 · 4 codes

  • C24.0 Malignant neoplasm of extrahepatic bile duct
  • C24.1 Malignant neoplasm of ampulla of Vater
  • C24.8 Malignant neoplasm of overlapping sites of biliary tract
  • C24.9 Malignant neoplasm of biliary tract, unspecified

Malignant neoplasm of pancreas C25 · 8 codes

  • C25.0 Malignant neoplasm of head of pancreas
  • C25.1 Malignant neoplasm of body of pancreas
  • C25.2 Malignant neoplasm of tail of pancreas
  • C25.3 Malignant neoplasm of pancreatic duct
  • C25.4 Malignant neoplasm of endocrine pancreas
  • C25.7 Malignant neoplasm of other parts of pancreas
  • C25.8 Malignant neoplasm of overlapping sites of pancreas
  • C25.9 Malignant neoplasm of pancreas, unspecified

Malignant neoplasm of other and ill-defined digestive organs C26 · 3 codes

  • C26.0 Malignant neoplasm of intestinal tract, part unspecified
  • C26.1 Malignant neoplasm of spleen
  • C26.9 Malignant neoplasm of ill-defined sites within the digestive system

Malignant neoplasm of nasal cavity and middle ear C30 · 2 codes

  • C30.0 Malignant neoplasm of nasal cavity
  • C30.1 Malignant neoplasm of middle ear

Malignant neoplasm of accessory sinuses C31 · 6 codes

  • C31.0 Malignant neoplasm of maxillary sinus
  • C31.1 Malignant neoplasm of ethmoidal sinus
  • C31.2 Malignant neoplasm of frontal sinus
  • C31.3 Malignant neoplasm of sphenoid sinus
  • C31.8 Malignant neoplasm of overlapping sites of accessory sinuses
  • C31.9 Malignant neoplasm of accessory sinus, unspecified

Malignant neoplasm of larynx C32 · 6 codes

  • C32.0 Malignant neoplasm of glottis
  • C32.1 Malignant neoplasm of supraglottis
  • C32.2 Malignant neoplasm of subglottis
  • C32.3 Malignant neoplasm of laryngeal cartilage
  • C32.8 Malignant neoplasm of overlapping sites of larynx
  • C32.9 Malignant neoplasm of larynx, unspecified

Malignant neoplasm of trachea C33 · 1 codes

  • C33 Malignant neoplasm of trachea

Malignant neoplasm of bronchus and lung C34 · 6 codes

  • C34.0 Malignant neoplasm of main bronchusNon-billable header
  • C34.1 Malignant neoplasm of upper lobe, bronchus or lungNon-billable header
  • C34.2 Malignant neoplasm of middle lobe, bronchus or lung
  • C34.3 Malignant neoplasm of lower lobe, bronchus or lungNon-billable header
  • C34.8 Malignant neoplasm of overlapping sites of bronchus and lungNon-billable header
  • C34.9 Malignant neoplasm of unspecified part of bronchus or lungNon-billable header

Malignant neoplasm of thymus C37 · 1 codes

  • C37 Malignant neoplasm of thymus

Malignant neoplasm of heart, mediastinum and pleura C38 · 6 codes

  • C38.0 Malignant neoplasm of heart
  • C38.1 Malignant neoplasm of anterior mediastinum
  • C38.2 Malignant neoplasm of posterior mediastinum
  • C38.3 Malignant neoplasm of mediastinum, part unspecified
  • C38.4 Malignant neoplasm of pleura
  • C38.8 Malignant neoplasm of overlapping sites of heart, mediastinum and pleura

Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs C39 · 2 codes

  • C39.0 Malignant neoplasm of upper respiratory tract, part unspecified
  • C39.9 Malignant neoplasm of lower respiratory tract, part unspecified

Malignant neoplasm of bone and articular cartilage of limbs C40 · 6 codes

  • C40.0 Malignant neoplasm of scapula and long bones of upper limbNon-billable header
  • C40.1 Malignant neoplasm of short bones of upper limbNon-billable header
  • C40.2 Malignant neoplasm of long bones of lower limbNon-billable header
  • C40.3 Malignant neoplasm of short bones of lower limbNon-billable header
  • C40.8 Malignant neoplasm of overlapping sites of bone and articular cartilage of limbNon-billable header
  • C40.9 Malignant neoplasm of unspecified bones and articular cartilage of limbNon-billable header

Malignant neoplasm of bone and articular cartilage of other and unspecified sites C41 · 6 codes

  • C41.0 Malignant neoplasm of bones of skull and face
  • C41.1 Malignant neoplasm of mandible
  • C41.2 Malignant neoplasm of vertebral column
  • C41.3 Malignant neoplasm of ribs, sternum and clavicle
  • C41.4 Malignant neoplasm of pelvic bones, sacrum and coccyx
  • C41.9 Malignant neoplasm of bone and articular cartilage, unspecified

Other and unspecified malignant neoplasm of skin C44 · 57 codes

  • C44.00 Unspecified malignant neoplasm of skin of lip
  • C44.01 Basal cell carcinoma of skin of lip
  • C44.02 Squamous cell carcinoma of skin of lip
  • C44.09 Other specified malignant neoplasm of skin of lip
  • C44.10 Unspecified malignant neoplasm of skin of eyelid, including canthusNon-billable header
  • C44.11 Basal cell carcinoma of skin of eyelid, including canthusNon-billable header
  • C44.12 Squamous cell carcinoma of skin of eyelid, including canthusNon-billable header
  • C44.13 Sebaceous cell carcinoma of skin of eyelid, including canthusNon-billable header
  • C44.19 Other specified malignant neoplasm of skin of eyelid, including canthusNon-billable header
  • C44.20 Unspecified malignant neoplasm of skin of ear and external auricular canalNon-billable header
  • C44.21 Basal cell carcinoma of skin of ear and external auricular canalNon-billable header
  • C44.22 Squamous cell carcinoma of skin of ear and external auricular canalNon-billable header
  • C44.29 Other specified malignant neoplasm of skin of ear and external auricular canalNon-billable header
  • C44.300 Unspecified malignant neoplasm of skin of unspecified part of face
  • C44.301 Unspecified malignant neoplasm of skin of nose
  • C44.309 Unspecified malignant neoplasm of skin of other parts of face
  • C44.310 Basal cell carcinoma of skin of unspecified parts of face
  • C44.311 Basal cell carcinoma of skin of nose
  • C44.319 Basal cell carcinoma of skin of other parts of face
  • C44.320 Squamous cell carcinoma of skin of unspecified parts of face
  • C44.321 Squamous cell carcinoma of skin of nose
  • C44.329 Squamous cell carcinoma of skin of other parts of face
  • C44.390 Other specified malignant neoplasm of skin of unspecified parts of face
  • C44.391 Other specified malignant neoplasm of skin of nose
  • C44.399 Other specified malignant neoplasm of skin of other parts of face
  • C44.40 Unspecified malignant neoplasm of skin of scalp and neck
  • C44.41 Basal cell carcinoma of skin of scalp and neck
  • C44.42 Squamous cell carcinoma of skin of scalp and neck
  • C44.49 Other specified malignant neoplasm of skin of scalp and neck
  • C44.500 Unspecified malignant neoplasm of anal skin
  • C44.501 Unspecified malignant neoplasm of skin of breast
  • C44.509 Unspecified malignant neoplasm of skin of other part of trunk
  • C44.510 Basal cell carcinoma of anal skin
  • C44.511 Basal cell carcinoma of skin of breast
  • C44.519 Basal cell carcinoma of skin of other part of trunk
  • C44.520 Squamous cell carcinoma of anal skin
  • C44.521 Squamous cell carcinoma of skin of breast
  • C44.529 Squamous cell carcinoma of skin of other part of trunk
  • C44.590 Other specified malignant neoplasm of anal skin
  • C44.591 Other specified malignant neoplasm of skin of breast
  • C44.599 Other specified malignant neoplasm of skin of other part of trunk
  • C44.60 Unspecified malignant neoplasm of skin of upper limb, including shoulderNon-billable header
  • C44.61 Basal cell carcinoma of skin of upper limb, including shoulderNon-billable header
  • C44.62 Squamous cell carcinoma of skin of upper limb, including shoulderNon-billable header
  • C44.69 Other specified malignant neoplasm of skin of upper limb, including shoulderNon-billable header
  • C44.70 Unspecified malignant neoplasm of skin of lower limb, including hipNon-billable header
  • C44.71 Basal cell carcinoma of skin of lower limb, including hipNon-billable header
  • C44.72 Squamous cell carcinoma of skin of lower limb, including hipNon-billable header
  • C44.79 Other specified malignant neoplasm of skin of lower limb, including hipNon-billable header
  • C44.80 Unspecified malignant neoplasm of overlapping sites of skin
  • C44.81 Basal cell carcinoma of overlapping sites of skin
  • C44.82 Squamous cell carcinoma of overlapping sites of skin
  • C44.89 Other specified malignant neoplasm of overlapping sites of skin
  • C44.90 Unspecified malignant neoplasm of skin, unspecified
  • C44.91 Basal cell carcinoma of skin, unspecified
  • C44.92 Squamous cell carcinoma of skin, unspecified
  • C44.99 Other specified malignant neoplasm of skin, unspecified

Malignant neoplasm of peripheral nerves and autonomic nervous system C47 · 9 codes

  • C47.0 Malignant neoplasm of peripheral nerves of head, face and neck
  • C47.1 Malignant neoplasm of peripheral nerves of upper limb, including shoulderNon-billable header
  • C47.2 Malignant neoplasm of peripheral nerves of lower limb, including hipNon-billable header
  • C47.3 Malignant neoplasm of peripheral nerves of thorax
  • C47.4 Malignant neoplasm of peripheral nerves of abdomen
  • C47.5 Malignant neoplasm of peripheral nerves of pelvis
  • C47.6 Malignant neoplasm of peripheral nerves of trunk, unspecified
  • C47.8 Malignant neoplasm of overlapping sites of peripheral nerves and autonomic nervous system
  • C47.9 Malignant neoplasm of peripheral nerves and autonomic nervous system, unspecified

Malignant neoplasm of retroperitoneum and peritoneum C48 · 4 codes

  • C48.0 Malignant neoplasm of retroperitoneum
  • C48.1 Malignant neoplasm of specified parts of peritoneum
  • C48.2 Malignant neoplasm of peritoneum, unspecified
  • C48.8 Malignant neoplasm of overlapping sites of retroperitoneum and peritoneum

Malignant neoplasm of other connective and soft tissue C49 · 9 codes

  • C49.0 Malignant neoplasm of connective and soft tissue of head, face and neck
  • C49.1 Malignant neoplasm of connective and soft tissue of upper limb, including shoulderNon-billable header
  • C49.2 Malignant neoplasm of connective and soft tissue of lower limb, including hipNon-billable header
  • C49.3 Malignant neoplasm of connective and soft tissue of thorax
  • C49.4 Malignant neoplasm of connective and soft tissue of abdomen
  • C49.5 Malignant neoplasm of connective and soft tissue of pelvis
  • C49.6 Malignant neoplasm of connective and soft tissue of trunk, unspecified
  • C49.8 Malignant neoplasm of overlapping sites of connective and soft tissue
  • C49.9 Malignant neoplasm of connective and soft tissue, unspecified

Malignant neoplasm of breast C50 · 10 codes

  • C50.0 Malignant neoplasm of nipple and areolaNon-billable header
  • C50.1 Malignant neoplasm of central portion of breastNon-billable header
  • C50.2 Malignant neoplasm of upper-inner quadrant of breastNon-billable header
  • C50.3 Malignant neoplasm of lower-inner quadrant of breastNon-billable header
  • C50.4 Malignant neoplasm of upper-outer quadrant of breastNon-billable header
  • C50.5 Malignant neoplasm of lower-outer quadrant of breastNon-billable header
  • C50.6 Malignant neoplasm of axillary tail of breastNon-billable header
  • C50.8 Malignant neoplasm of overlapping sites of breastNon-billable header
  • C50.9 Malignant neoplasm of breast of unspecified siteNon-billable header
  • C50.A Malignant inflammatory neoplasm of breastNon-billable header

Malignant neoplasm of vulva C51 · 5 codes

  • C51.0 Malignant neoplasm of labium majus
  • C51.1 Malignant neoplasm of labium minus
  • C51.2 Malignant neoplasm of clitoris
  • C51.8 Malignant neoplasm of overlapping sites of vulva
  • C51.9 Malignant neoplasm of vulva, unspecified

Malignant neoplasm of vagina C52 · 1 codes

  • C52 Malignant neoplasm of vagina

Malignant neoplasm of cervix uteri C53 · 4 codes

  • C53.0 Malignant neoplasm of endocervix
  • C53.1 Malignant neoplasm of exocervix
  • C53.8 Malignant neoplasm of overlapping sites of cervix uteri
  • C53.9 Malignant neoplasm of cervix uteri, unspecified

Malignant neoplasm of corpus uteri C54 · 6 codes

  • C54.0 Malignant neoplasm of isthmus uteri
  • C54.1 Malignant neoplasm of endometrium
  • C54.2 Malignant neoplasm of myometrium
  • C54.3 Malignant neoplasm of fundus uteri
  • C54.8 Malignant neoplasm of overlapping sites of corpus uteri
  • C54.9 Malignant neoplasm of corpus uteri, unspecified

Malignant neoplasm of uterus, part unspecified C55 · 1 codes

  • C55 Malignant neoplasm of uterus, part unspecified

Malignant neoplasm of other and unspecified female genital organs C57 · 8 codes

  • C57.0 Malignant neoplasm of fallopian tubeNon-billable header
  • C57.1 Malignant neoplasm of broad ligamentNon-billable header
  • C57.2 Malignant neoplasm of round ligamentNon-billable header
  • C57.3 Malignant neoplasm of parametrium
  • C57.4 Malignant neoplasm of uterine adnexa, unspecified
  • C57.7 Malignant neoplasm of other specified female genital organs
  • C57.8 Malignant neoplasm of overlapping sites of female genital organs
  • C57.9 Malignant neoplasm of female genital organ, unspecified

Malignant neoplasm of placenta C58 · 1 codes

  • C58 Malignant neoplasm of placenta

Malignant neoplasm of penis C60 · 5 codes

  • C60.0 Malignant neoplasm of prepuce
  • C60.1 Malignant neoplasm of glans penis
  • C60.2 Malignant neoplasm of body of penis
  • C60.8 Malignant neoplasm of overlapping sites of penis
  • C60.9 Malignant neoplasm of penis, unspecified

Malignant neoplasm of prostate C61 · 1 codes

  • C61 Malignant neoplasm of prostate

Malignant neoplasm of testis C62 · 3 codes

  • C62.0 Malignant neoplasm of undescended testisNon-billable header
  • C62.1 Malignant neoplasm of descended testisNon-billable header
  • C62.9 Malignant neoplasm of testis, unspecified whether descended or undescendedNon-billable header

Malignant neoplasm of other and unspecified male genital organs C63 · 6 codes

  • C63.0 Malignant neoplasm of epididymisNon-billable header
  • C63.1 Malignant neoplasm of spermatic cordNon-billable header
  • C63.2 Malignant neoplasm of scrotum
  • C63.7 Malignant neoplasm of other specified male genital organs
  • C63.8 Malignant neoplasm of overlapping sites of male genital organs
  • C63.9 Malignant neoplasm of male genital organ, unspecified

Malignant neoplasm of bladder C67 · 10 codes

  • C67.0 Malignant neoplasm of trigone of bladder
  • C67.1 Malignant neoplasm of dome of bladder
  • C67.2 Malignant neoplasm of lateral wall of bladder
  • C67.3 Malignant neoplasm of anterior wall of bladder
  • C67.4 Malignant neoplasm of posterior wall of bladder
  • C67.5 Malignant neoplasm of bladder neck
  • C67.6 Malignant neoplasm of ureteric orifice
  • C67.7 Malignant neoplasm of urachus
  • C67.8 Malignant neoplasm of overlapping sites of bladder
  • C67.9 Malignant neoplasm of bladder, unspecified

Malignant neoplasm of other and unspecified urinary organs C68 · 4 codes

  • C68.0 Malignant neoplasm of urethra
  • C68.1 Malignant neoplasm of paraurethral glands
  • C68.8 Malignant neoplasm of overlapping sites of urinary organs
  • C68.9 Malignant neoplasm of urinary organ, unspecified

Malignant neoplasm of eye and adnexa C69 · 9 codes

  • C69.0 Malignant neoplasm of conjunctivaNon-billable header
  • C69.1 Malignant neoplasm of corneaNon-billable header
  • C69.2 Malignant neoplasm of retinaNon-billable header
  • C69.3 Malignant neoplasm of choroidNon-billable header
  • C69.4 Malignant neoplasm of ciliary bodyNon-billable header
  • C69.5 Malignant neoplasm of lacrimal gland and ductNon-billable header
  • C69.6 Malignant neoplasm of orbitNon-billable header
  • C69.8 Malignant neoplasm of overlapping sites of eye and adnexaNon-billable header
  • C69.9 Malignant neoplasm of unspecified site of eyeNon-billable header

Malignant neoplasm of meninges C70 · 3 codes

  • C70.0 Malignant neoplasm of cerebral meninges
  • C70.1 Malignant neoplasm of spinal meninges
  • C70.9 Malignant neoplasm of meninges, unspecified

Malignant neoplasm of brain C71 · 10 codes

  • C71.0 Malignant neoplasm of cerebrum, except lobes and ventricles
  • C71.1 Malignant neoplasm of frontal lobe
  • C71.2 Malignant neoplasm of temporal lobe
  • C71.3 Malignant neoplasm of parietal lobe
  • C71.4 Malignant neoplasm of occipital lobe
  • C71.5 Malignant neoplasm of cerebral ventricle
  • C71.6 Malignant neoplasm of cerebellum
  • C71.7 Malignant neoplasm of brain stem
  • C71.8 Malignant neoplasm of overlapping sites of brain
  • C71.9 Malignant neoplasm of brain, unspecified

Malignant neoplasm of spinal cord, cranial nerves and other parts of central nervous system C72 · 8 codes

  • C72.0 Malignant neoplasm of spinal cord
  • C72.1 Malignant neoplasm of cauda equina
  • C72.2 Malignant neoplasm of olfactory nerveNon-billable header
  • C72.3 Malignant neoplasm of optic nerveNon-billable header
  • C72.4 Malignant neoplasm of acoustic nerveNon-billable header
  • C72.50 Malignant neoplasm of unspecified cranial nerve
  • C72.59 Malignant neoplasm of other cranial nerves
  • C72.9 Malignant neoplasm of central nervous system, unspecified

Malignant neoplasm of thyroid gland C73 · 1 codes

  • C73 Malignant neoplasm of thyroid gland

Malignant neoplasm of adrenal gland C74 · 3 codes

  • C74.0 Malignant neoplasm of cortex of adrenal glandNon-billable header
  • C74.1 Malignant neoplasm of medulla of adrenal glandNon-billable header
  • C74.9 Malignant neoplasm of unspecified part of adrenal glandNon-billable header

Malignant neoplasm of other endocrine glands and related structures C75 · 8 codes

  • C75.0 Malignant neoplasm of parathyroid gland
  • C75.1 Malignant neoplasm of pituitary gland
  • C75.2 Malignant neoplasm of craniopharyngeal duct
  • C75.3 Malignant neoplasm of pineal gland
  • C75.4 Malignant neoplasm of carotid body
  • C75.5 Malignant neoplasm of aortic body and other paraganglia
  • C75.8 Malignant neoplasm with pluriglandular involvement, unspecified
  • C75.9 Malignant neoplasm of endocrine gland, unspecified

Malignant neoplasm of other and ill-defined sites C76 · 7 codes

  • C76.0 Malignant neoplasm of head, face and neck
  • C76.1 Malignant neoplasm of thorax
  • C76.2 Malignant neoplasm of abdomen
  • C76.3 Malignant neoplasm of pelvis
  • C76.4 Malignant neoplasm of upper limbNon-billable header
  • C76.5 Malignant neoplasm of lower limbNon-billable header
  • C76.8 Malignant neoplasm of other specified ill-defined sites

Secondary and unspecified malignant neoplasm of lymph nodes C77 · 1 codes

  • C77.0 Secondary and unspecified malignant neoplasm of lymph nodes of head, face and neck

Malignant neoplasm without specification of site C80 · 3 codes

  • C80.0 Disseminated malignant neoplasm, unspecified
  • C80.1 Malignant (primary) neoplasm, unspecified
  • C80.2 Malignant neoplasm associated with transplanted organ

Malignant immunoproliferative diseases and certain other B-cell lymphomas C88 · 1 codes

  • C88.9 Malignant immunoproliferative disease, unspecifiedNon-billable header

Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue C96 · 2 codes

  • C96.9 Malignant neoplasm of lymphoid, hematopoietic and related tissue, unspecified
  • C96.Z Other specified malignant neoplasms of lymphoid, hematopoietic and related tissue

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Questions About This Page

How do I find the right code for a specific site?

Type the anatomical site into the filter above. Every code on this page carries the site entries that map to it in the Table of Neoplasms. For all six behavior columns side by side, use the Table of Neoplasms.

How is neoplasm behavior determined?

The pathology or clinical documentation names the behavior. When the description of the neoplasm states the behavior, that description overrides the Index guidance, and the matching column of the Table of Neoplasms supplies the code.

How many primary malignant neoplasms codes are there?

The FY 2026 dataset contains 364 primary malignant neoplasms codes across 67 code blocks, 296 of them billable.

Related References

Source: official CMS FY 2026 ICD-10-CM release, effective October 1, 2025 through September 30, 2026.