DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 2

C51-C58 Malignant neoplasms of female genital organs (C51-C58)

Block C51-C58 groups 8 categories with 36 billable codes in FY2027.

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. C51-C58 Malignant neoplasms of female genital organs (C51-C58)

Neighbouring blocks

Categories
8
Billable codes
36
CC codes
4
MCC codes
0
HCC V28 codes
36
New FY2027
0

Categories in C51-C58

  • C51

    Malignant neoplasm of vulva

    Melanoma (malignant)skinvulva → C51.9

    • 5 billable codes
    • 5 with HCC
  • C52

    Malignant neoplasm of vagina

    –

    • Billable, no subdivisions
    • 1 with HCC
  • C53

    Malignant neoplasm of cervix uteri

    Carcinoma (malignant)solidmicroinvasiveunspecified site → C53.9

    • 4 billable codes
    • 4 with HCC
  • C54

    Malignant neoplasm of corpus uteri

    Sarcoma (of)endometrial (stromal) → C54.1

    • 6 billable codes
    • 6 with HCC
  • C55

    Malignant neoplasm of uterus, part unspecified

    –

    • Billable, no subdivisions
    • 1 with HCC
  • C56

    Malignant neoplasm of ovary

    Cancerovarian → C56.9-

    • 4 billable codes
    • 4 CC
    • 4 with HCC
  • C57

    Malignant neoplasm of other and unspecified female genital organs

    –

    • 14 billable codes
    • 14 with HCC
  • C58

    Malignant neoplasm of placenta

    Choriocarcinomaunspecified sitefemale → C58

    • Billable, no subdivisions
    • 1 with HCC

Index main terms

  • Cystadenoma → C56 (20 entries)
  • Tumor → C54, C56 (14 entries)
  • Carcinoma (malignant) → C53, C56, C58 (13 entries)
  • Cystadenocarcinoma → C56 (11 entries)
  • Melanoma (malignant) → C51 (7 entries)
  • Adenocarcinoma → C56 (5 entries)
  • Sarcoma (of) → C54 (4 entries)
  • Leydig cell → C56 (2 entries)
  • Adenofibroma → C56 (1 entry)
  • Androblastoma → C56 (1 entry)
  • Arrhenoblastoma → C56 (1 entry)
  • Brenner → C56 (1 entry)
  • Cancer → C56 (1 entry)
  • Choriocarcinoma → C58 (1 entry)
  • Cyst (colloid) (mucous) (simple) (retention) → C56 (1 entry)

+7 more main terms; the search box finds them by word.

Block instructions

Includes

  • malignant neoplasm of skin of female genital organs

Notes that also apply

Chapter 2 instructions (Notes 8): printed on the chapter 2 page.