M67.412 ICD-10-CM Code: Ganglion, left shoulder
M67.412 is not a CMS-HCC payment code. MEAT criteria · RAF Calculator · free HCC coding tools
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FY 2026 Apr update / Diseases of the musculoskeletal system and connective tissue (M00-M99) / Disorders of synovium and tendon (M65-M67)
M67.412
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceGanglion, left shoulder
A benign fluid-filled cyst that develops on the left shoulder, typically appearing as a small lump under the skin near the joint.
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
N/A—
Not mapped
ACA/HHS
N/A—
Not mapped
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
OfficialICD-10-CM does not list inclusion terms for M67.412 in this effective period.
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for M67.412 in this effective period.
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for M67.412 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for M67.412 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for M67.412 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for M67.412 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for M67.412 in this effective period.
Buddy Documentation Tip
Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →
Is M67.412 an HCC code?
No. M67.412 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
- Code
- M67.412
- Description
- Ganglion, left shoulder
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF reference coefficient
- —
- Billable
- Yes
- Payment year
- 2026
Coder workflow notes
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This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
M67.412 is the ICD-10-CM diagnosis code for ganglion, left shoulder. A benign fluid-filled cyst that develops on the left shoulder, typically appearing as a small lump under the skin near the joint. M67.412 sits in the ICD-10-CM chapter for diseases of the musculoskeletal system and connective tissue (m00-m99), within the section covering disorders of synovium and tendon (m65-m67).
M67.412 is a billable ICD-10-CM code, but the current payload does not show a mapping under the CMS-HCC V28, V24, ESRD, or RxHCC models. Do not assign risk adjustment value from this page when no source-backed mapping is shown; verify the applicable model and payment year.
Verify laterality is documented as 'left' in the medical record before assigning this code.
HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for M67.412 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Verify laterality is documented as 'left' in the medical record before assigning this code
- •Ganglions are benign and typically don't require treatment unless they cause pain or functional impairment