M67.28 – Synovial hypertrophy, not elsewhere classified, other site
ICD-10-CM 2027 diagnosis code · Disorders of synovium and tendon
ICD-10-CM code
M67.28
- Code
M67.28(claims format:M6728)- Description
- Synovial hypertrophy, not elsewhere classified, other site
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M65-M67 Disorders of synovium and tendon
- Parent codes
- M67 › M67.2
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M67 – Other disorders of synovium and tendon
Excludes1 (not coded here):
M67.2 – Synovial hypertrophy, not elsewhere classified
Excludes1 (not coded here):
- villonodular synovitis (pigmented) (M12.2-)
Index terms for M67.28
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in M67.2
- M67.20 – Synovial hypertrophy, not elsewhere classified, unspecified siteBillable
- M67.21 – Synovial hypertrophy, not elsewhere classified, shoulderHeader
- M67.22 – Synovial hypertrophy, not elsewhere classified, upper armHeader
- M67.23 – Synovial hypertrophy, not elsewhere classified, forearmHeader
- M67.24 – Synovial hypertrophy, not elsewhere classified, handHeader
- M67.25 – Synovial hypertrophy, not elsewhere classified, thighHeader
- M67.26 – Synovial hypertrophy, not elsewhere classified, lower legHeader
- M67.27 – Synovial hypertrophy, not elsewhere classified, ankle and footHeader
- M67.29 – Synovial hypertrophy, not elsewhere classified, multiple sitesBillable
Frequently asked questions
What is ICD-10 code M67.28?
M67.28 is the ICD-10-CM code for synovial hypertrophy, not elsewhere classified, other site, in the block M65-M67 (Disorders of synovium and tendon).
Is M67.28 a billable code?
Yes. M67.28 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does M67.28 belong to?
It belongs to category M67 – Other disorders of synovium and tendon.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.