FY2025
Effective from
- Added
Unspecified synovitis and tenosynovitis, right lower leg
Billable diagnosis code
CDC/NCHS · FY2025Coverage depends on the payer, service and applicable policy. A billable code does not guarantee payment.
For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2024-10-01
Latest recorded change · FY2025
Effective from
Unspecified synovitis and tenosynovitis, right lower leg
Billable diagnosis code
CDC/NCHS · FY2025| All editions | Effective from | Code history |
|---|---|---|
| FY2025 | 2024-10-01 | Added |
| FY2025 · 04-01 | 2025-04-01 | No tabular change |
| FY2026 | 2025-10-01 | No tabular change |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
The official Tabular List has no additional instructions at this code level.
Review the instructions inherited from its parent categories below. Inherited instructions ↓
Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Historical assignments from the CDC conversion table support data retrieval. They do not authorize substituting a previous code for the current code.
Previous assignment: M65.9
Other entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| M65.962 | Unspecified synovitis and tenosynovitis, left lower leg | Billable / specific |
| M65.969 | Unspecified synovitis and tenosynovitis, unspecified lower leg | Billable / specific |
Official titles and instructions are preserved in their source language. Official sources ↗