M65.10 – Other infective (teno)synovitis, unspecified site
ICD-10-CM 2027 diagnosis code · Disorders of synovium and tendon
ICD-10-CM code
M65.10
- Code
M65.10(claims format:M6510)- Description
- Other infective (teno)synovitis, unspecified 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
- M65 › M65.1
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M65 – Synovitis and tenosynovitis
Related codes in M65.1
- M65.11 – Other infective (teno)synovitis, shoulderHeader
- M65.12 – Other infective (teno)synovitis, elbowHeader
- M65.13 – Other infective (teno)synovitis, wristHeader
- M65.14 – Other infective (teno)synovitis, handHeader
- M65.15 – Other infective (teno)synovitis, hipHeader
- M65.16 – Other infective (teno)synovitis, kneeHeader
- M65.17 – Other infective (teno)synovitis, ankle and footHeader
- M65.18 – Other infective (teno)synovitis, other siteBillable
- M65.19 – Other infective (teno)synovitis, multiple sitesBillable
Frequently asked questions
What is ICD-10 code M65.10?
M65.10 is the ICD-10-CM code for other infective (teno)synovitis, unspecified site, in the block M65-M67 (Disorders of synovium and tendon).
Is M65.10 a billable code?
Yes. M65.10 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does M65.10 belong to?
It belongs to category M65 – Synovitis and tenosynovitis.
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.