ICD-10-CM Tabular Index · Chapter 2 · FY 2026 C55

Malignant neoplasm of uterus, part unspecified (C55) ICD-10-CM

The C55 code range covers malignant neoplasm of uterus, part unspecified with 1 ICD-10-CM diagnosis codes. 1 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.

✓ Built from the official CMS FY 2026 datasetEffective Oct 1, 2025 – Sep 30, 2026
1
Diagnosis Codes
1
Billable Codes
C55
Code Range
C51–C58
Parent Section
ICD-10-CM

Codes in the C55 Range 1 codes · 1 billable

1 of 1 shown
  • C55 Malignant neoplasm of uterus, part unspecified

About the C55 Code Range

The ICD-10 code C55 is used to classify a malignant tumor of the uterus when the specific part of the uterus affected is not detailed. This code covers cancers identified as originating in the uterus but without precise localization to the cervix or corpus.

This code includes conditions such as primary malignant neoplasm of uterus and synonyms like carcinosarcoma, adenosarcoma, leiomyosarcoma, and adenocarcinoma of the uterus. It also applies when the malignant tumor extends directly to nearby organs like the rectum, urinary bladder, vagina, vulva, fallopian tubes, or ovaries. Using ICD-10 code C55 helps medical coders and healthcare professionals document cases where the uterine cancer cannot be precisely located, ensuring accurate capture of cancer cases involving the uterus in cancer registries and clinical records.

Questions About This Page

How many billable codes are in the C55 range?

Of the 1 codes in this range, 1 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.

What does the C55 range classify?

The range classifies malignant neoplasm of uterus, part unspecified. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.

Related References

Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.