FY2025
Effective from
- Added
Unspecified synovitis and tenosynovitis, thigh
Category — select a more specific code
CDC/NCHS · FY2025For 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, thigh
Category — select a more specific 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
Other entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| M65.90 | Unspecified synovitis and tenosynovitis, unspecified site | Billable / specific |
| M65.91 | Unspecified synovitis and tenosynovitis, shoulder | Category · further specificity required |
| M65.92 | Unspecified synovitis and tenosynovitis, upper arm | Category · further specificity required |
| M65.93 | Unspecified synovitis and tenosynovitis, forearm | Category · further specificity required |
| M65.94 | Unspecified synovitis and tenosynovitis, hand | Category · further specificity required |
| M65.96 | Unspecified synovitis and tenosynovitis, lower leg | Category · further specificity required |
| M65.97 | Unspecified synovitis and tenosynovitis, ankle and foot | Category · further specificity required |
| M65.98 | Unspecified synovitis and tenosynovitis, other site | Billable / specific |
| M65.99 | Unspecified synovitis and tenosynovitis, multiple sites | Billable / specific |
Official titles and instructions are preserved in their source language. Official sources ↗