2025 Primary Malignant Neoplasms ICD-10-CM Codes
The 2025 Primary Malignant Neoplasms ICD-10-CM Codes list includes 364 codes for documenting primary malignant cancers, as outlined in the ICD-10-CM List of Neoplasms. Coders must first determine whether the tumor is benign, in-situ, malignant, or uncertain. For malignant neoplasms, both the primary site and any secondary sites should be coded. Proper use of these codes ensures accurate cancer reporting, supports treatment documentation, and secures appropriate reimbursement.
- Malignant immunoproliferative diseases and certain other B-c
- Malignant neoplasm of accessory sinuses (C31)
- Malignant neoplasm of adrenal gland (C74)
- Malignant neoplasm of anus and anal canal (C21)
- Malignant neoplasm of base of tongue (C01)
- Malignant neoplasm of bladder (C67)
- Malignant neoplasm of bone and articular cartilage of limbs
- Malignant neoplasm of bone and articular cartilage of other
- Malignant neoplasm of brain (C71)
- Malignant neoplasm of breast (C50)
- Malignant neoplasm of bronchus and lung (C34)
- Malignant neoplasm of cervix uteri (C53)
- Malignant neoplasm of colon (C18)
- Malignant neoplasm of corpus uteri (C54)
- Malignant neoplasm of esophagus (C15)
- Malignant neoplasm of eye and adnexa (C69)
- Malignant neoplasm of floor of mouth (C04)
- Malignant neoplasm of gallbladder (C23)
- Malignant neoplasm of gum (C03)
- Malignant neoplasm of heart, mediastinum and pleura (C38)
- Malignant neoplasm of hypopharynx (C13)
- Malignant neoplasm of larynx (C32)
- Malignant neoplasm of lip (C00)
- Malignant neoplasm of liver and intrahepatic bile ducts (C22
- Malignant neoplasm of meninges (C70)
- Malignant neoplasm of nasal cavity and middle ear (C30)
- Malignant neoplasm of nasopharynx (C11)
- Malignant neoplasm of oropharynx (C10)
- Malignant neoplasm of other and ill-defined digestive organs
- Malignant neoplasm of other and ill-defined sites (C76)
- Malignant neoplasm of other and ill-defined sites in the lip
- Malignant neoplasm of other and ill-defined sites in the res
- Malignant neoplasm of other and unspecified female genital o
- Malignant neoplasm of other and unspecified major salivary g
- Malignant neoplasm of other and unspecified male genital org
- Malignant neoplasm of other and unspecified parts of biliary
- Malignant neoplasm of other and unspecified parts of mouth (
- Malignant neoplasm of other and unspecified parts of tongue
- Malignant neoplasm of other and unspecified urinary organs (
- Malignant neoplasm of other connective and soft tissue (C49)
- Malignant neoplasm of other endocrine glands and related str
- Malignant neoplasm of palate (C05)
- Malignant neoplasm of pancreas (C25)
- Malignant neoplasm of parotid gland (C07)
- Malignant neoplasm of penis (C60)
- Malignant neoplasm of peripheral nerves and autonomic nervou
- Malignant neoplasm of placenta (C58)
- Malignant neoplasm of prostate (C61)
- Malignant neoplasm of pyriform sinus (C12)
- Malignant neoplasm of rectosigmoid junction (C19)
- Malignant neoplasm of rectum (C20)
- Malignant neoplasm of retroperitoneum and peritoneum (C48)
- Malignant neoplasm of small intestine (C17)
- Malignant neoplasm of spinal cord, cranial nerves and other
- Malignant neoplasm of stomach (C16)
- Malignant neoplasm of testis (C62)
- Malignant neoplasm of thymus (C37)
- Malignant neoplasm of thyroid gland (C73)
- Malignant neoplasm of tonsil (C09)
- Malignant neoplasm of trachea (C33)
- Malignant neoplasm of uterus, part unspecified (C55)
- Malignant neoplasm of vagina (C52)
- Malignant neoplasm of vulva (C51)
- Malignant neoplasm without specification of site (C80)
- Other and unspecified malignant neoplasm of skin (C44)
- Other and unspecified malignant neoplasms of lymphoid, hemat
- Secondary and unspecified malignant neoplasm of lymph nodes
C88.9 - Malignant immunoproliferative disease, unspecified Non-Billable
C31.0 - Malignant neoplasm of maxillary sinus Billable
C31.1 - Malignant neoplasm of ethmoidal sinus Billable
C31.2 - Malignant neoplasm of frontal sinus Billable
C31.3 - Malignant neoplasm of sphenoid sinus Billable
C31.8 - Malignant neoplasm of overlapping sites of accessory sinuses Billable
C31.9 - Malignant neoplasm of accessory sinus, unspecified Billable
C01 - Malignant neoplasm of base of tongue Billable
C67.0 - Malignant neoplasm of trigone of bladder Billable
C67.1 - Malignant neoplasm of dome of bladder Billable
C67.2 - Malignant neoplasm of lateral wall of bladder Billable
C67.3 - Malignant neoplasm of anterior wall of bladder Billable
C67.4 - Malignant neoplasm of posterior wall of bladder Billable
C67.5 - Malignant neoplasm of bladder neck Billable
C67.6 - Malignant neoplasm of ureteric orifice Billable
C67.7 - Malignant neoplasm of urachus Billable
C67.8 - Malignant neoplasm of overlapping sites of bladder Billable
C67.9 - Malignant neoplasm of bladder, unspecified Billable
C40.0 - Malignant neoplasm of scapula and long bones of upper limb Non-Billable
C40.1 - Malignant neoplasm of short bones of upper limb Non-Billable
C40.2 - Malignant neoplasm of long bones of lower limb Non-Billable
C40.20 - Malignant neoplasm of long bones of unspecified lower limb Billable
C40.3 - Malignant neoplasm of short bones of lower limb Non-Billable
C40.8 - Malignant neoplasm of overlapping sites of bone and articular cartilage of limb Non-Billable
C40.9 - Malignant neoplasm of unspecified bones and articular cartilage of limb Non-Billable
C41.0 - Malignant neoplasm of bones of skull and face Billable
C41.1 - Malignant neoplasm of mandible Billable
C41.2 - Malignant neoplasm of vertebral column Billable
C41.3 - Malignant neoplasm of ribs, sternum and clavicle Billable
C41.4 - Malignant neoplasm of pelvic bones, sacrum and coccyx Billable
C41.9 - Malignant neoplasm of bone and articular cartilage, unspecified Billable
C71.0 - Malignant neoplasm of cerebrum, except lobes and ventricles Billable
C71.1 - Malignant neoplasm of frontal lobe Billable
C71.2 - Malignant neoplasm of temporal lobe Billable
C71.3 - Malignant neoplasm of parietal lobe Billable
C71.4 - Malignant neoplasm of occipital lobe Billable
C71.5 - Malignant neoplasm of cerebral ventricle Billable
C71.6 - Malignant neoplasm of cerebellum Billable
C71.7 - Malignant neoplasm of brain stem Billable
C71.8 - Malignant neoplasm of overlapping sites of brain Billable
C71.9 - Malignant neoplasm of brain, unspecified Billable
C50.0 - Malignant neoplasm of nipple and areola Non-Billable
C50.1 - Malignant neoplasm of central portion of breast Non-Billable
C50.2 - Malignant neoplasm of upper-inner quadrant of breast Non-Billable
C50.3 - Malignant neoplasm of lower-inner quadrant of breast Non-Billable
C50.4 - Malignant neoplasm of upper-outer quadrant of breast Non-Billable
C50.5 - Malignant neoplasm of lower-outer quadrant of breast Non-Billable
C50.6 - Malignant neoplasm of axillary tail of breast Non-Billable
C50.8 - Malignant neoplasm of overlapping sites of breast Non-Billable
C50.9 - Malignant neoplasm of breast of unspecified site Non-Billable
C34.0 - Malignant neoplasm of main bronchus Non-Billable
C34.1 - Malignant neoplasm of upper lobe, bronchus or lung Non-Billable
C34.2 - Malignant neoplasm of middle lobe, bronchus or lung Billable
C34.3 - Malignant neoplasm of lower lobe, bronchus or lung Non-Billable
C34.8 - Malignant neoplasm of overlapping sites of bronchus and lung Non-Billable
C34.9 - Malignant neoplasm of unspecified part of bronchus or lung Non-Billable
C18.0 - Malignant neoplasm of cecum Billable
C18.1 - Malignant neoplasm of appendix Billable
C18.2 - Malignant neoplasm of ascending colon Billable
C18.3 - Malignant neoplasm of hepatic flexure Billable
C18.4 - Malignant neoplasm of transverse colon Billable
C18.5 - Malignant neoplasm of splenic flexure Billable
C18.6 - Malignant neoplasm of descending colon Billable
C18.7 - Malignant neoplasm of sigmoid colon Billable
C18.8 - Malignant neoplasm of overlapping sites of colon Billable
C18.9 - Malignant neoplasm of colon, unspecified Billable
C54.0 - Malignant neoplasm of isthmus uteri Billable
C54.1 - Malignant neoplasm of endometrium Billable
C54.2 - Malignant neoplasm of myometrium Billable
C54.3 - Malignant neoplasm of fundus uteri Billable
C54.8 - Malignant neoplasm of overlapping sites of corpus uteri Billable
C54.9 - Malignant neoplasm of corpus uteri, unspecified Billable
C15.3 - Malignant neoplasm of upper third of esophagus Billable
C15.4 - Malignant neoplasm of middle third of esophagus Billable
C15.5 - Malignant neoplasm of lower third of esophagus Billable
C15.8 - Malignant neoplasm of overlapping sites of esophagus Billable
C15.9 - Malignant neoplasm of esophagus, unspecified Billable
C69.0 - Malignant neoplasm of conjunctiva Non-Billable
C69.1 - Malignant neoplasm of cornea Non-Billable
C69.2 - Malignant neoplasm of retina Non-Billable
C69.3 - Malignant neoplasm of choroid Non-Billable
C69.4 - Malignant neoplasm of ciliary body Non-Billable
C69.5 - Malignant neoplasm of lacrimal gland and duct Non-Billable
C69.6 - Malignant neoplasm of orbit Non-Billable
C69.8 - Malignant neoplasm of overlapping sites of eye and adnexa Non-Billable
C69.9 - Malignant neoplasm of unspecified site of eye Non-Billable
C23 - Malignant neoplasm of gallbladder Billable
C38.0 - Malignant neoplasm of heart Billable
C38.1 - Malignant neoplasm of anterior mediastinum Billable
C38.2 - Malignant neoplasm of posterior mediastinum Billable
C38.3 - Malignant neoplasm of mediastinum, part unspecified Billable
C38.4 - Malignant neoplasm of pleura Billable
C38.8 - Malignant neoplasm of overlapping sites of heart, mediastinum and pleura Billable
C13.0 - Malignant neoplasm of postcricoid region Billable
C13.1 - Malignant neoplasm of aryepiglottic fold, hypopharyngeal aspect Billable
C13.2 - Malignant neoplasm of posterior wall of hypopharynx Billable
C13.8 - Malignant neoplasm of overlapping sites of hypopharynx Billable
C13.9 - Malignant neoplasm of hypopharynx, unspecified Billable
C32.0 - Malignant neoplasm of glottis Billable
C32.1 - Malignant neoplasm of supraglottis Billable
C32.2 - Malignant neoplasm of subglottis Billable
C32.3 - Malignant neoplasm of laryngeal cartilage Billable
C32.8 - Malignant neoplasm of overlapping sites of larynx Billable
C32.9 - Malignant neoplasm of larynx, unspecified Billable
C00.0 - Malignant neoplasm of external upper lip Billable
C00.1 - Malignant neoplasm of external lower lip Billable
C00.2 - Malignant neoplasm of external lip, unspecified Billable
C00.3 - Malignant neoplasm of upper lip, inner aspect Billable
C00.4 - Malignant neoplasm of lower lip, inner aspect Billable
C00.5 - Malignant neoplasm of lip, unspecified, inner aspect Billable
C00.6 - Malignant neoplasm of commissure of lip, unspecified Billable
C00.8 - Malignant neoplasm of overlapping sites of lip Billable
C00.9 - Malignant neoplasm of lip, unspecified Billable
C11.0 - Malignant neoplasm of superior wall of nasopharynx Billable
C11.1 - Malignant neoplasm of posterior wall of nasopharynx Billable
C11.2 - Malignant neoplasm of lateral wall of nasopharynx Billable
C11.3 - Malignant neoplasm of anterior wall of nasopharynx Billable
C11.8 - Malignant neoplasm of overlapping sites of nasopharynx Billable
C11.9 - Malignant neoplasm of nasopharynx, unspecified Billable
C10.0 - Malignant neoplasm of vallecula Billable
C10.1 - Malignant neoplasm of anterior surface of epiglottis Billable
C10.2 - Malignant neoplasm of lateral wall of oropharynx Billable
C10.3 - Malignant neoplasm of posterior wall of oropharynx Billable
C10.4 - Malignant neoplasm of branchial cleft Billable
C10.8 - Malignant neoplasm of overlapping sites of oropharynx Billable
C10.9 - Malignant neoplasm of oropharynx, unspecified Billable
C76.0 - Malignant neoplasm of head, face and neck Billable
C76.1 - Malignant neoplasm of thorax Billable
C76.2 - Malignant neoplasm of abdomen Billable
C76.3 - Malignant neoplasm of pelvis Billable
C76.4 - Malignant neoplasm of upper limb Non-Billable
C76.5 - Malignant neoplasm of lower limb Non-Billable
C76.8 - Malignant neoplasm of other specified ill-defined sites Billable
C57.0 - Malignant neoplasm of fallopian tube Non-Billable
C57.1 - Malignant neoplasm of broad ligament Non-Billable
C57.2 - Malignant neoplasm of round ligament Non-Billable
C57.3 - Malignant neoplasm of parametrium Billable
C57.4 - Malignant neoplasm of uterine adnexa, unspecified Billable
C57.7 - Malignant neoplasm of other specified female genital organs Billable
C57.8 - Malignant neoplasm of overlapping sites of female genital organs Billable
C57.9 - Malignant neoplasm of female genital organ, unspecified Billable
C63.0 - Malignant neoplasm of epididymis Non-Billable
C63.1 - Malignant neoplasm of spermatic cord Non-Billable
C63.2 - Malignant neoplasm of scrotum Billable
C63.7 - Malignant neoplasm of other specified male genital organs Billable
C63.8 - Malignant neoplasm of overlapping sites of male genital organs Billable
C63.9 - Malignant neoplasm of male genital organ, unspecified Billable
C06.0 - Malignant neoplasm of cheek mucosa Billable
C06.1 - Malignant neoplasm of vestibule of mouth Billable
C06.2 - Malignant neoplasm of retromolar area Billable
C06.80 - Malignant neoplasm of overlapping sites of unspecified parts of mouth Billable
C06.89 - Malignant neoplasm of overlapping sites of other parts of mouth Billable
C06.9 - Malignant neoplasm of mouth, unspecified Billable
C02.0 - Malignant neoplasm of dorsal surface of tongue Billable
C02.1 - Malignant neoplasm of border of tongue Billable
C02.2 - Malignant neoplasm of ventral surface of tongue Billable
C02.3 - Malignant neoplasm of anterior two-thirds of tongue, part unspecified Billable
C02.4 - Malignant neoplasm of lingual tonsil Billable
C02.8 - Malignant neoplasm of overlapping sites of tongue Billable
C02.9 - Malignant neoplasm of tongue, unspecified Billable
C49.0 - Malignant neoplasm of connective and soft tissue of head, face and neck Billable
C49.1 - Malignant neoplasm of connective and soft tissue of upper limb, including shoulder Non-Billable
C49.2 - Malignant neoplasm of connective and soft tissue of lower limb, including hip Non-Billable
C49.3 - Malignant neoplasm of connective and soft tissue of thorax Billable
C49.4 - Malignant neoplasm of connective and soft tissue of abdomen Billable
C49.5 - Malignant neoplasm of connective and soft tissue of pelvis Billable
C49.6 - Malignant neoplasm of connective and soft tissue of trunk, unspecified Billable
C49.8 - Malignant neoplasm of overlapping sites of connective and soft tissue Billable
C49.9 - Malignant neoplasm of connective and soft tissue, unspecified Billable
C25.0 - Malignant neoplasm of head of pancreas Billable
C25.1 - Malignant neoplasm of body of pancreas Billable
C25.2 - Malignant neoplasm of tail of pancreas Billable
C25.3 - Malignant neoplasm of pancreatic duct Billable
C25.4 - Malignant neoplasm of endocrine pancreas Billable
C25.7 - Malignant neoplasm of other parts of pancreas Billable
C25.8 - Malignant neoplasm of overlapping sites of pancreas Billable
C25.9 - Malignant neoplasm of pancreas, unspecified Billable
C07 - Malignant neoplasm of parotid gland Billable
C47.0 - Malignant neoplasm of peripheral nerves of head, face and neck Billable
C47.1 - Malignant neoplasm of peripheral nerves of upper limb, including shoulder Non-Billable
C47.2 - Malignant neoplasm of peripheral nerves of lower limb, including hip Non-Billable
C47.3 - Malignant neoplasm of peripheral nerves of thorax Billable
C47.4 - Malignant neoplasm of peripheral nerves of abdomen Billable
C47.5 - Malignant neoplasm of peripheral nerves of pelvis Billable
C47.6 - Malignant neoplasm of peripheral nerves of trunk, unspecified Billable
C47.8 - Malignant neoplasm of overlapping sites of peripheral nerves and autonomic nervous system Billable
C47.9 - Malignant neoplasm of peripheral nerves and autonomic nervous system, unspecified Billable
C58 - Malignant neoplasm of placenta Billable
C61 - Malignant neoplasm of prostate Billable
C12 - Malignant neoplasm of pyriform sinus Billable
C19 - Malignant neoplasm of rectosigmoid junction Billable
C20 - Malignant neoplasm of rectum Billable
C17.0 - Malignant neoplasm of duodenum Billable
C17.1 - Malignant neoplasm of jejunum Billable
C17.2 - Malignant neoplasm of ileum Billable
C17.3 - Meckel's diverticulum, malignant Billable
C17.8 - Malignant neoplasm of overlapping sites of small intestine Billable
C17.9 - Malignant neoplasm of small intestine, unspecified Billable
C72.0 - Malignant neoplasm of spinal cord Billable
C72.1 - Malignant neoplasm of cauda equina Billable
C72.2 - Malignant neoplasm of olfactory nerve Non-Billable
C72.3 - Malignant neoplasm of optic nerve Non-Billable
C72.4 - Malignant neoplasm of acoustic nerve Non-Billable
C72.50 - Malignant neoplasm of unspecified cranial nerve Billable
C72.59 - Malignant neoplasm of other cranial nerves Billable
C72.9 - Malignant neoplasm of central nervous system, unspecified Billable
C16.0 - Malignant neoplasm of cardia Billable
C16.1 - Malignant neoplasm of fundus of stomach Billable
C16.2 - Malignant neoplasm of body of stomach Billable
C16.3 - Malignant neoplasm of pyloric antrum Billable
C16.4 - Malignant neoplasm of pylorus Billable
C16.5 - Malignant neoplasm of lesser curvature of stomach, unspecified Billable
C16.6 - Malignant neoplasm of greater curvature of stomach, unspecified Billable
C16.8 - Malignant neoplasm of overlapping sites of stomach Billable
C16.9 - Malignant neoplasm of stomach, unspecified Billable
C37 - Malignant neoplasm of thymus Billable
C73 - Malignant neoplasm of thyroid gland Billable
C33 - Malignant neoplasm of trachea Billable
C55 - Malignant neoplasm of uterus, part unspecified Billable
C52 - Malignant neoplasm of vagina Billable
C44.00 - Unspecified malignant neoplasm of skin of lip Billable
C44.01 - Basal cell carcinoma of skin of lip Billable
C44.02 - Squamous cell carcinoma of skin of lip Billable
C44.09 - Other specified malignant neoplasm of skin of lip Billable
C44.10 - Unspecified malignant neoplasm of skin of eyelid, including canthus Non-Billable
C44.11 - Basal cell carcinoma of skin of eyelid, including canthus Non-Billable
C44.12 - Squamous cell carcinoma of skin of eyelid, including canthus Non-Billable
C44.13 - Sebaceous cell carcinoma of skin of eyelid, including canthus Non-Billable
C44.19 - Other specified malignant neoplasm of skin of eyelid, including canthus Non-Billable
C44.20 - Unspecified malignant neoplasm of skin of ear and external auricular canal Non-Billable
C44.21 - Basal cell carcinoma of skin of ear and external auricular canal Non-Billable
C44.22 - Squamous cell carcinoma of skin of ear and external auricular canal Non-Billable
C44.29 - Other specified malignant neoplasm of skin of ear and external auricular canal Non-Billable
C44.300 - Unspecified malignant neoplasm of skin of unspecified part of face Billable
C44.301 - Unspecified malignant neoplasm of skin of nose Billable
C44.309 - Unspecified malignant neoplasm of skin of other parts of face Billable
C44.310 - Basal cell carcinoma of skin of unspecified parts of face Billable
C44.311 - Basal cell carcinoma of skin of nose Billable
C44.319 - Basal cell carcinoma of skin of other parts of face Billable
C44.320 - Squamous cell carcinoma of skin of unspecified parts of face Billable
C44.321 - Squamous cell carcinoma of skin of nose Billable
C44.329 - Squamous cell carcinoma of skin of other parts of face Billable
C44.390 - Other specified malignant neoplasm of skin of unspecified parts of face Billable
C44.391 - Other specified malignant neoplasm of skin of nose Billable
C44.399 - Other specified malignant neoplasm of skin of other parts of face Billable
C44.40 - Unspecified malignant neoplasm of skin of scalp and neck Billable
C44.41 - Basal cell carcinoma of skin of scalp and neck Billable
C44.42 - Squamous cell carcinoma of skin of scalp and neck Billable
C44.49 - Other specified malignant neoplasm of skin of scalp and neck Billable
C44.500 - Unspecified malignant neoplasm of anal skin Billable
C44.501 - Unspecified malignant neoplasm of skin of breast Billable
C44.509 - Unspecified malignant neoplasm of skin of other part of trunk Billable
C44.510 - Basal cell carcinoma of anal skin Billable
C44.511 - Basal cell carcinoma of skin of breast Billable
C44.519 - Basal cell carcinoma of skin of other part of trunk Billable
C44.520 - Squamous cell carcinoma of anal skin Billable
C44.521 - Squamous cell carcinoma of skin of breast Billable
C44.529 - Squamous cell carcinoma of skin of other part of trunk Billable
C44.590 - Other specified malignant neoplasm of anal skin Billable
C44.591 - Other specified malignant neoplasm of skin of breast Billable
C44.599 - Other specified malignant neoplasm of skin of other part of trunk Billable
C44.60 - Unspecified malignant neoplasm of skin of upper limb, including shoulder Non-Billable
C44.61 - Basal cell carcinoma of skin of upper limb, including shoulder Non-Billable
C44.62 - Squamous cell carcinoma of skin of upper limb, including shoulder Non-Billable
C44.69 - Other specified malignant neoplasm of skin of upper limb, including shoulder Non-Billable
C44.70 - Unspecified malignant neoplasm of skin of lower limb, including hip Non-Billable
C44.71 - Basal cell carcinoma of skin of lower limb, including hip Non-Billable
C44.72 - Squamous cell carcinoma of skin of lower limb, including hip Non-Billable
C44.79 - Other specified malignant neoplasm of skin of lower limb, including hip Non-Billable
C44.80 - Unspecified malignant neoplasm of overlapping sites of skin Billable
C44.81 - Basal cell carcinoma of overlapping sites of skin Billable
C44.82 - Squamous cell carcinoma of overlapping sites of skin Billable
C44.89 - Other specified malignant neoplasm of overlapping sites of skin Billable
C44.90 - Unspecified malignant neoplasm of skin, unspecified Billable
C44.91 - Basal cell carcinoma of skin, unspecified Billable
C44.92 - Squamous cell carcinoma of skin, unspecified Billable
C44.99 - Other specified malignant neoplasm of skin, unspecified Billable
C77.0 - Secondary and unspecified malignant neoplasm of lymph nodes of head, face and neck Billable