HCC Buddy Code Card
FY 2026 Apr updateC50.922Billable
Malignant neoplasm of unspecified site of left male breast
CMS-HCC V28
HCC 22
RAF 0.363
CMS-HCC V24
HCC 12
RAF 0.150
RxHCC
RxHCC 22
RAF 0.124
HCC Buddy Code Book
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Alphabetic Index and Tabular path
HCC Buddy public API, FY2026 Apr updateSource load source requiredSource year 2026Updated 2026-04-01
Index trail
Malignant neoplasm of unspecified site of left male breast
See Tabular List: C50.922
C50, Malignant neoplasm of breast
C50.9, Malignant neoplasm of breast of unspecified site
C50.92, Malignant neoplasm of breast of unspecified site, male
C50.922, Malignant neoplasm of unspecified site of left male breast
Selected code, source checked for the selected effective period
Commonly confused codes
official sourceNot listed for this effective period.
Code details and official notes
C50.922
Malignant neoplasm of unspecified site of left male breast
Open the shareable code page for C50.922→billableHCC mapped
Includes
official sourceNot listed for this effective period.
Excludes 1
official sourceNo Excludes 1 note is listed in this source payload.
Excludes 2
official sourceNo Excludes 2 note is listed in this source payload.
Code First
official sourceNot listed for this effective period.
Use Additional
official sourceNot listed for this effective period.
Code Also
official sourceNot listed for this effective period.
7th character
official sourceNot listed for this code in the selected Tabular payload.
Placeholder X
official sourceNot listed for this code in the selected Tabular payload.
Laterality
official sourceNo laterality instruction is listed for this code in the selected Tabular payload.
Effective period
source required- FY2026 Apr update
- Source year 2026
- Updated 2026-04-01
- HCC Buddy public API
HCC Buddy
Alphabetic Index and Tabular path
HCC Buddy public API, FY2026 Apr updateSource load source requiredSource year 2026Updated 2026-04-01
Index trail
Malignant neoplasm of unspecified site of left male breast
See Tabular List: C50.922
C50, Malignant neoplasm of breast
C50.9, Malignant neoplasm of breast of unspecified site
C50.92, Malignant neoplasm of breast of unspecified site, male
C50.922, Malignant neoplasm of unspecified site of left male breast
Selected code, source checked for the selected effective period
Commonly confused codes
official sourceNot listed for this effective period.
Code details and official notes
C50.922
Malignant neoplasm of unspecified site of left male breast
Open the shareable code page for C50.922→billableHCC mapped
Includes
official sourceNot listed for this effective period.
Excludes 1
official sourceNo Excludes 1 note is listed in this source payload.
Excludes 2
official sourceNo Excludes 2 note is listed in this source payload.
Code First
official sourceNot listed for this effective period.
Use Additional
official sourceNot listed for this effective period.
Code Also
official sourceNot listed for this effective period.
7th character
official sourceNot listed for this code in the selected Tabular payload.
Placeholder X
official sourceNot listed for this code in the selected Tabular payload.
Laterality
official sourceNo laterality instruction is listed for this code in the selected Tabular payload.
Effective period
source required- FY2026 Apr update
- Source year 2026
- Updated 2026-04-01
- HCC Buddy public API
HCC Buddy Insights
HCC Mapping
HCC 22 Bladder, Colorectal, and Other Cancers (V28)HCC 12 Breast, Prostate, and Other Cancers and Tumors (V24)HCC 22 Cancer, Other Specified Sites (RxHCC)HCC 12 Breast, Prostate, and Other Cancers and Tumors (ESRD/PACE)HHS-HCC source required or member context needed for selected effective period (HHS-HCC)
RAF Value
V28: RAF: 0.363V24: RAF: 0.150RxHCC: RAF: 0.124ESRD/PACE: RAF: 0.045HHS-HCC RAF source required
Model Period
FY2026 Apr update
Source
source required
Audit Caution
Close codes need documentation support before selection. Do not assume relationships.
Reviewed by the HCC Buddy Coding Team
HCC Buddy workflow band
HCC mapping, RAF, MEAT, source trail, and audit caution stay in view.
MEAT supportaudit cautionsource required
V28
HCC 22
Bladder, Colorectal, and Other Cancers
RAF: 0.363
V24
HCC 12
Breast, Prostate, and Other Cancers and Tumors
RAF: 0.150
RxHCC
RxHCC 22
Cancer, Other Specified Sites
RAF: 0.124
ESRD/PACE
HCC 12
Breast, Prostate, and Other Cancers and Tumors
RAF: 0.045
HHS-HCC
source required
HHS-HCC source required or member context needed for selected effective period
RAF: source required
MEAT checklist
Reviewed by the HCC Buddy Coding TeamMonitor, Evaluate, Assess, or Treat must be supported in the provider note.
HCC Buddy guidance, not official ICD-10-CM text.
Audit caution
Reviewed by the HCC Buddy Coding TeamClose codes need documentation support before selection. Do not assume relationships.
HCC Buddy guidance, not official ICD-10-CM text.
Reviewer sign-off
Reviewed by the HCC Buddy Coding TeamMEAT, documentation support, audit cautions, and close-code guidance are reviewed and approved for this effective period.
HCC Buddy enrichment is separate from official source text.
Last updated: April 1, 2026 · Not a substitute for official coding guidelines. No PHI or patient data.
Reviewed by the HCC Buddy Coding TeamFY2026 Apr update
Code
C50.922
V28 HCC
HCC 22
RAF
0.363
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