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C63.00

C63.00Malignant neoplasm of unspecified epididymis

Billable / specific codeICD-10-CM

C63.00 is a billable, specific ICD-10-CM code for malignant neoplasm of unspecified epididymis. It is valid for submission on a claim.

Risk adjustment

C63.00 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 23 Prostate, Breast, and Other Cancers and Tumors0.186 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

C63.00 is named in 31 Medicare coverage policies 31 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A55717Billing and Coding: Lab: Flow Cytometry
  • A56464Billing and Coding: Flow Cytometry
  • A56748Billing and Coding: White Cell Colony Stimulating Factors
  • A56867Billing and Coding: Genomic Sequence Analysis Panels in the Treatment of Solid Organ Neoplasms

Related codes at this level

Codes that share C63.0. If C63.00 is not quite right, the correct code is usually one of these.

Questions about C63.00

Is C63.00 a billable ICD-10-CM code?
Yes. C63.00 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does C63.00 sit in the tabular list?
Neoplasms (C00-D49), in the block Malignant neoplasms of male genital organs (C60-C63).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.