Primary Site

This input is used for staging

Notes

See the [SEER Program Coding Manual](https://seer.cancer.gov/tools/codingmanuals/index.html) for coding instructions.

NAACCR Item

NAACCR #400
Primary Site Description
C000 External upper lip
C001 External lower lip
C002 External lip, NOS
C003 Inner aspect, upper lip
C004 Inner aspect, lower lip
C005 Inner aspect of lip, NOS
C006 Commissure of lip
C008 Overlapping lesion of lip
C009 Lip, NOS
C019 Base of tongue
C020 Dorsal surface of tongue
C021 Border of tongue
C022 Ventral surface of tongue
C023 Anterior two-thirds of tongue, NOS
C024 Lingual tonsil
C028 Overlapping lesion of tongue
C029 Tongue, NOS
C030 Upper gum
C031 Lower gum
C039 Gum, NOS
C040 Anterior floor of mouth
C041 Lateral floor of mouth
C048 Overlapping lesion of floor of mouth
C049 Floor of mouth, NOS
C050 Hard palate
C051 Soft palate
C052 Uvula
C058 Overlapping lesion of palate
C059 Palate, NOS
C060 Cheek mucosa
C061 Vestibule of mouth
C062 Retromolar area
C068 Overlapping lesion of other & unspecified parts of mouth
C069 Mouth, NOS
C079 Parotid gland
C080 Submandibular gland
C081 Sublingual gland
C088 Overlapping lesion of major salivary glands
C089 Major salivary gland, NOS
C090 Tonsillar fossa
C091 Tonsillar pillar
C098 Overlapping lesion of tonsil
C099 Tonsil, NOS
C100 Vallecula
C101 Anterior surface of epiglottis
C102 Lateral wall of oropharynx
C103 Posterior wall of oropharynx
C104 Branchial cleft
C108 Overlapping lesion of oropharynx
C109 Oropharynx, NOS
C110 Superior wall of nasopharynx
C111 Posterior wall of nasopharynx
C112 Lateral wall of nasopharynx
C113 Anterior wall of nasopharynx
C118 Overlapping lesion of nasopharynx
C119 Nasopharynx, NOS
C129 Pyriform sinus
C130 Postcricoid region
C131 Aryepiglottic fold, hypopharyngeal aspect
C132 Posterior wall of hypopharynx
C138 Overlapping lesion of hypopharynx
C139 Hypopharynx, NOS
C140 Pharynx, NOS
C142 Waldeyer's ring
C148 Overlapping lesion of lip, oral cavity & pharynx
C150 Cervical part of esophagus
C151 Thoracic part of esophagus
C152 Abdominal part of esophagus
C153 Upper third of esophagus
C154 Middle third of esophagus
C155 Lower third of esophagus
C158 Overlapping lesion of esophagus
C159 Esophagus, NOS
C160 Cardia
C161 Fundus of stomach
C162 Body of stomach
C163 Gastric antrum
C164 Pylorus
C165 Lesser curvature of stomach, NOS
C166 Greater curvature of stomach, NOS
C168 Overlapping lesion of stomach
C169 Stomach, NOS
C170 Duodenum
C171 Jejunum
C172 Ileum
C173 Meckel diverticulum
C178 Overlapping lesion of small intestine
C179 Small intestine, NOS
C180 Cecum
C181 Appendix
C182 Ascending colon
C183 Hepatic flexure of colon
C184 Transverse colon
C185 Splenic flexure of colon
C186 Descending colon
C187 Sigmoid colon
C188 Overlapping lesion of colon
C189 Colon, NOS
C199 Rectosigmoid junction
C209 Rectum
C210 Anus, NOS
C211 Anal canal
C212 Cloacogenic zone
C218 Overlapping lesion of rectum, anus & anal canal
C220 Liver
C221 Intrahepatic bile duct
C239 Gallbladder
C240 Extrahepatic bile duct
C241 Ampulla of vater
C248 Overlapping lesion of biliary tract
C249 Biliary tract, NOS
C250 Head of pancreas
C251 Body of pancreas
C252 Tail of pancreas
C253 Pancreatic duct
C254 Endocrine pancreas
C257 Oth parts of pancreas
C258 Overlapping lesion of pancreas
C259 Pancreas, NOS
C260 Intestinal tract, NOS
C268 Overlapping lesion of digestive system
C269 Gastrointestinal tract, NOS
C300 Nasal cavity
C301 Middle ear
C310 Maxillary sinus
C311 Ethmoidal sinus
C312 Frontal sinus
C313 Sphenoidal sinus
C318 Overlapping lesion of accessory sinuses
C319 Accessory sinus, NOS
C320 Glottis
C321 Supraglottis
C322 Subglottis
C323 Laryngeal cartilage
C328 Overlapping lesion of larynx
C329 Larynx, NOS
C339 Trachea
C340 Main bronchus
C341 Upper lobe, bronchus or lung
C342 Middle lobe, bronchus or lung
C343 Lower lobe, bronchus or lung
C348 Overlapping lesion of bronchus & lung
C349 Bronchus or lung, NOS
C379 Thymus
C380 Heart
C381 Anterior mediastinum
C382 Posterior mediastinum
C383 Mediastinum, NOS
C384 Pleura
C388 Overlapping lesion of heart, mediastinum & pleura
C390 Upper respiratory tract, NOS
C398 Overlapping lesion of respiratory & intrathoracic organs
C399 Ill-defined sites within respiratory system
C400 Long bones of upper limb, scapula and associative joints
C401 Short bones of upper limb and associative joints
C402 Long bones of lower limb and associative joints
C403 Short bones of lower limb and associative joints
C408 Overlapping lesion of bone & articular cartilage of limbs
C409 Bone & articular cartilage of limb, NOS
C410 Bones of skull & face
C411 Mandible
C412 Vertebral column
C413 Ribs, sternum & clavicle
C414 Pelvic bones, sacrum & coccyx
C418 Overlapping lesion of bone & articular cartilage
C419 Bone & articular cartilage, NOS
C420 Blood
C421 Bone marrow
C422 Spleen
C423 Reticuloendothelial system, NOS
C424 Hematopoietic system, NOS
C440 Skin of lip
C441 Skin of eyelid
C442 Skin of ear & external auricular canal
C443 Skin of other & unspecified parts of face
C444 Skin of scalp & neck
C445 Skin of trunk
C446 Skin of upper limb and shoulder
C447 Skin of lower limb and hip
C448 Overlapping lesion of skin
C449 Skin, NOS
C470 Peripheral nerves of head, face & neck
C471 Peripheral nerves of upper limb and shoulder
C472 Peripheral nerves of lower limb and hip
C473 Peripheral nerves of thorax
C474 Peripheral nerves of abdomen
C475 Peripheral nerves of pelvis
C476 Peripheral nerves of trunk, NOS
C478 Overlapping lesion of peripheral nerves & autonomic nervous system
C479 Peripheral nerves & autonomic nervous system, NOS
C480 Retroperitoneum
C481 Specified parts of peritoneum
C482 Peritoneum, NOS
C488 Overlapping lesion of retroperitoneum & peritoneum
C490 Connective & soft tissue of head, face & neck
C491 Connective & soft tissue of upper limb and shoulder
C492 Connective & soft tissue of lower limb and hip
C493 Connective & soft tissue of thorax
C494 Connective & soft tissue of abdomen
C495 Connective & soft tissue of pelvis
C496 Connective & soft tissue of trunk, NOS
C498 Overlapping lesion of connective & soft tissue
C499 Connective & soft tissue, NOS
C500 Nipple & areola
C501 Central portion of breast
C502 Upper-inner quadrant of breast
C503 Lower-inner quadrant of breast
C504 Upper-outer quadrant of breast
C505 Lower-outer quadrant of breast
C506 Axillary tail of breast
C508 Overlapping lesion of breast
C509 Breast, NOS
C510 Labium majus
C511 Labium minus
C512 Clitoris
C518 Overlapping lesion of vulva
C519 Vulva, NOS
C529 Vagina
C530 Endocervix
C531 Exocervix
C538 Overlapping lesion of cervix uteri
C539 Cervix uteri, NOS
C540 Isthmus uteri
C541 Endometrium
C542 Myometrium
C543 Fundus uteri
C548 Overlapping lesion of corpus uteri
C549 Corpus uteri, NOS
C559 Uterus
C569 Ovary
C570 Fallopian tube
C571 Broad ligament
C572 Round ligament
C573 Parametrium
C574 Uterine adnexa
C577 Oth specified female genital organs
C578 Overlapping lesion of female genital organs
C579 Female genital organ, NOS
C589 Placenta
C600 Prepuce
C601 Glans penis
C602 Body of penis
C608 Overlapping lesion of penis
C609 Penis, NOS
C619 Prostate
C620 Undescended testis
C621 Descended testis
C629 Testis, NOS
C630 Epididymis
C631 Spermatic cord
C632 Scrotum
C637 Oth specified male genital organs
C638 Overlapping lesion of male genital organs
C639 Male genital organ, NOS
C649 Kidney, except renal pelvis
C659 Renal pelvis
C669 Ureter
C670 Trigone of bladder
C671 Dome of bladder
C672 Lateral wall of bladder
C673 Anterior wall of bladder
C674 Posterior wall of bladder
C675 Bladder neck
C676 Ureteric orifice
C677 Urachus
C678 Overlapping lesion of bladder
C679 Bladder, NOS
C680 Urethra
C681 Paraurethral glands
C688 Overlapping lesion of urinary organs
C689 Urinary system, NOS
C690 Conjunctiva
C691 Cornea
C692 Retina
C693 Choroid
C694 Ciliary body
C695 Lachrymal gland & duct
C696 Orbit
C698 Overlapping lesion of eye & adnexa
C699 Eye, NOS
C700 Cerebral meninges
C701 Spinal meninges
C709 Meninges, NOS
C710 Cerebrum, except lobes & ventricles
C711 Frontal lobe
C712 Temporal lobe
C713 Parietal lobe
C714 Occipital lobe
C715 Cerebral ventricle
C716 Cerebellum
C717 Brain stem
C718 Overlapping lesion of brain
C719 Brain, NOS
C720 Spinal cord
C721 Cauda equina
C722 Olfactory nerve
C723 Optic nerve
C724 Acoustic nerve
C725 Cranial nerves, NOS
C728 Overlapping lesion of brain & central nervous system
C729 Central nervous system, NOS
C739 Thyroid gland
C740 Cortex of adrenal gland
C741 Medulla of adrenal gland
C749 Adrenal gland, NOS
C750 Parathyroid gland
C751 Pituitary gland
C752 Craniopharyngeal duct
C753 Pineal gland
C754 Carotid body
C755 Aortic body & other paraganglia
C758 Overlapping lesion of endocrine gland
C759 Endocrine gland, NOS
C760 Head, face & neck, NOS
C761 Thorax, NOS
C762 Abdomen, NOS
C763 Pelvis, NOS
C764 Upper limb, NOS
C765 Lower limb, NOS
C767 Other ill-defined sites
C768 Overlapping lesion of ill-defined sites
C770 Lymph nodes of head, face & neck
C771 Intrathoracic lymph nodes
C772 Intra-abdominal lymph nodes
C773 Axillary & upper limb lymph nodes
C774 Inguinal & lower limb lymph nodes
C775 Pelvic lymph nodes
C778 Lymph nodes of multiple regions
C779 Lymph nodes, NOS
C809 Unknown primary site