Site-Specific Factor 10
**Note 1:** The Federation Internationale de Gynecologie et d'Obstetrique (FIGO) stage definitions do not include Stage 0 (Tis) for vulvar cancer.
* Use code 987 for in situ cases
**Note 2:** Code the FIGO stage as stated in the medical record. When lymph node(s) is/are clinically or pathologically positive or metastasis is present, make sure that the FIGO stage reflects the combination of T, N, and M and NOT just the T
* If a stage group is stated but it does not specify that it is a FIGO stage, assume that it is a FIGO stage and code it
* Do not attempt to code FIGO stage based only on T, N, and M
* If you cannot make a determination of stage based on the previous information, use code 999, stage unknown