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C50.922

C50.922Malignant neoplasm of unspecified site of left male breast

Billable / specific codeICD-10-CMleft

C50.922 is a billable, specific ICD-10-CM code for malignant neoplasm of unspecified site of left male breast. It is valid for submission on a claim.

Excludes1 inherited from the categories above C50.922

These are not written on C50.922, but they bind it: a note on a category applies to every code beneath it. Billing C50.922 with anything listed here is a denial.

Written on C50 Malignant neoplasm of breast

Other codes that can never be billed with C50.922

These codes carry an Excludes1 note pointing at C50.922. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading C50.922 alone.

  • C49Malignant neoplasm of other connective and soft tissue
  • C49.3Malignant neoplasm of connective and soft tissue of thorax
  • D05Carcinoma in situ of breast

Risk adjustment

C50.922 risk-adjusts. Under the CMS-HCC V28 model it maps to these categories:

  • HCC 22 Bladder, Colorectal, and Other Cancers0.363 RAF
  • 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

C50.922 is named in 102 Medicare coverage policies 102 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52370Billing and Coding: Bevacizumab and biosimilars
  • A52450Billing and Coding: Paclitaxel (e.g., Taxol®/Abraxane ™)
  • A52450Billing and Coding: Paclitaxel (e.g., Taxol®/Abraxane ™)
  • A52453Billing and Coding: Luteinizing Hormone-Releasing Hormone (LHRH) Analogs

Code history

C50.922 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share C50.92. If C50.922 is not quite right, the correct code is usually one of these.

Questions about C50.922

Is C50.922 a billable ICD-10-CM code?
Yes. C50.922 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does C50.922 sit in the tabular list?
Neoplasms (C00-D49), in the block Malignant neoplasms of breast (C50).
What cannot be coded together with C50.922?
C50.922 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above C50.922 (C50) and apply to it just the same.
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.