ICD-10-CM › M00-M99 › M65-M67 › M65 Synovitis and tenosynovitis › M65.8
Other synovitis and tenosynovitis
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 10 more specific codes instead:
- M65.80 Other synovitis and tenosynovitis, unspecified site
- M65.81 Other synovitis and tenosynovitis, shoulder (also a header)
- M65.82 Other synovitis and tenosynovitis, upper arm (also a header)
- M65.83 Other synovitis and tenosynovitis, forearm (also a header)
- M65.84 Other synovitis and tenosynovitis, hand (also a header)
- M65.85 Other synovitis and tenosynovitis, thigh (also a header)
- M65.86 Other synovitis and tenosynovitis, lower leg (also a header)
- M65.87 Other synovitis and tenosynovitis, ankle and foot (also a header)
- M65.88 Other synovitis and tenosynovitis, other site
- M65.89 Other synovitis and tenosynovitis, multiple sites
What has happened to this code
Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2012 Added to the draft code set draft Other synovitis and tenosynovitis
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from M65 Synovitis and tenosynovitis
Excludes1 - never coded here
- chronic crepitant synovitis of hand and wrist (M70.0-)
- current injury - see injury of ligament or tendon by body region
- soft tissue disorders related to use, overuse and pressure (M70.-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Synovitis
- Tenonitis
- Tenosynovitis
- Tenovaginitis
- Tendosynovitis
- Tenontothecitis
- Tenontosynovitis
- Sloughing > tendon
- Slipped, slipping > tendon
- Disease, diseased > synovium
- Disorder > tendon > synovitis
- Disorder > synovium > synovitis
- Disorder > tendon > tenosynovitis
- Disease, diseased > tendon, tendinous
- Inflammation, inflamed, inflammatory > synovial
- Inflammation, inflamed, inflammatory > tendon NEC
- Synovitis > in > crystals
- Tenosynovitis > in > crystals
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M65.0 | Abscess of tendon sheath | Not billable |
| M65.1 | Other infective (teno)synovitis | Not billable |
| M65.2 | Calcific tendinitis | Not billable |
| M65.3 | Trigger finger | Not billable |
| M65.4 | Radial styloid tenosynovitis [de Quervain] | Valid |
| M65.9 | Synovitis and tenosynovitis, unspecified | Not billable |