C51-C58 — Malignant neoplasms of female genital organs
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.1.26.
Codes in range
36
No clinical group
5
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
31 of the 36 codes in C51-C58 group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases. A further 5 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Every code in C51-C58
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| C510 | Malignant neoplasm of labium majus | K | Accepted |
| C511 | Malignant neoplasm of labium minus | K | Accepted |
| C512 | Malignant neoplasm of clitoris | K | Accepted |
| C518 | Malignant neoplasm of overlapping sites of vulva | K | Accepted |
| C519 | Malignant neoplasm of vulva, unspecified | K | Accepted |
| C52 | Malignant neoplasm of vagina | K | Accepted |
| C530 | Malignant neoplasm of endocervix | K | Accepted |
| C531 | Malignant neoplasm of exocervix | K | Accepted |
| C538 | Malignant neoplasm of overlapping sites of cervix uteri | K | Accepted |
| C539 | Malignant neoplasm of cervix uteri, unspecified | K | Accepted |
| C540 | Malignant neoplasm of isthmus uteri | K | Accepted |
| C541 | Malignant neoplasm of endometrium | K | Accepted |
| C542 | Malignant neoplasm of myometrium | K | Accepted |
| C543 | Malignant neoplasm of fundus uteri | K | Accepted |
| C548 | Malignant neoplasm of overlapping sites of corpus uteri | K | Accepted |
| C549 | Malignant neoplasm of corpus uteri, unspecified | K | Accepted |
| C55 | Malignant neoplasm of uterus, part unspecified | K | Accepted |
| C561 | Malignant neoplasm of right ovary | K | Accepted |
| C562 | Malignant neoplasm of left ovary | K | Accepted |
| C563 | Malignant neoplasm of bilateral ovaries | K | Accepted |
| C569 | Malignant neoplasm of unspecified ovary | None | Cannot group |
| C5700 | Malignant neoplasm of unspecified fallopian tube | None | Cannot group |
| C5701 | Malignant neoplasm of right fallopian tube | K | Accepted |
| C5702 | Malignant neoplasm of left fallopian tube | K | Accepted |
| C5710 | Malignant neoplasm of unspecified broad ligament | None | Cannot group |
| C5711 | Malignant neoplasm of right broad ligament | K | Accepted |
| C5712 | Malignant neoplasm of left broad ligament | K | Accepted |
| C5720 | Malignant neoplasm of unspecified round ligament | None | Cannot group |
| C5721 | Malignant neoplasm of right round ligament | K | Accepted |
| C5722 | Malignant neoplasm of left round ligament | K | Accepted |
| C573 | Malignant neoplasm of parametrium | K | Accepted |
| C574 | Malignant neoplasm of uterine adnexa, unspecified | K | Accepted |
| C577 | Malignant neoplasm of other specified female genital organs | K | Accepted |
| C578 | Malignant neoplasm of ovrlp sites of female genital organs | K | Accepted |
| C579 | Malignant neoplasm of female genital organ, unspecified | None | Cannot group |
| C58 | Malignant neoplasm of placenta | K | Accepted |
Source: CMS HH PPS Grouper Software v07.1.26, effective 2026-04-01. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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