EOD Primary Tumor

Notes

**Note:** When both the Federation Internationale de Gynecologie et d'Obstetrique (FIGO) stage and extension information on the primary tumor are available, use the extension information to code primary tumor in preference to a statement of FIGO stage.
Code Description SS2018 T
000 In situ, intraepithelial, noninvasive, preinvasive IS
100 Confined to endometrium (stroma) Invasion of inner half of myometrium FIGO Stage IA Peritoneal Cytology with Primary Tumor for SS2018 T
150 Code 100 + Endocervical glandular involvement RE
200 Invasion of outer half of myometrium FIGO Stage IB Peritoneal Cytology with Primary Tumor for SS2018 T
250 Code 200 + Endocervical glandular involvement RE
300 Invasion of myometrium, NOS Invasive cancer confined to corpus uteri Localized, NOS FIGO Stage I [NOS] Peritoneal Cytology with Primary Tumor for SS2018 T
400 Code 300 + Endocervical glandular involvement RE
500 Cervical stroma invasion Cervix uteri, NOS Tumor invading the stromal connective tissue of the cervix but not extending beyond the uterus FIGO Stage II RE
550 Adnexa (direct extension or metastasis) - Fallopian tube(s) - Ovary(ies) Serosa, NOS Tunica serosa (visceral peritoneum of corpus, serosa covering the corpus) Tunica serosa of corpus FIGO Stage IIIA RE
600 Bladder, NOS (excluding mucosa) Ligaments (broad, round, uterosacral) Parametrium, NOS Parietal serosa of pelvic wall Pelvic wall(s) Rectal wall Rectum, NOS excluding mucosa Ureter Vagina (direct extension or metastasis) Visceral peritoneum of pelvic organs excluding serosa of corpus Vulva Described clinically as "frozen pelvis", NOS FIGO Stage IIIB RE
650 FIGO Stage III [NOS] RE
700 Abdominal serosa (visceral or parietal peritoneum of abdomen) Bladder mucosa (excluding bullous edema) Bowel mucosal Cul de sac (rectouterine pouch or Pouch of Douglas) Sigmoid colon Small intestine Further contiguous extension FIGO Stage IVA D
750 FIGO Stage IV [NOS] D
800 No evidence of primary tumor U
999 Unknown; extension not stated Primary tumor cannot be assessed Not documented in patient record Death Certificate Only U
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