ICD-10-CM › M00-M99 › M26-M27 › M26.64 Arthritis of temporomandibular joint › M26.642
M26.642
Arthritis of left temporomandibular joint
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2021 to now.
- FY2021 Added to the code set Arthritis of left temporomandibular joint
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 the M26-M27 section Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27)
Excludes1 - never coded here
- hemifacial atrophy or hypertrophy (Q67.4)
- unilateral condylar hyperplasia or hypoplasia (M27.8)
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.
- Arthropyosis
- Pyoarthrosis
- Septic > joint
- Abscess > joint
- Pyemia, pyemic > joint
- Pyarthritis, pyarthrosis
- Arthritis, arthritic > septic
- Arthritis, arthritic > purulent
- Suppuration, suppurative > joint
- Arthritis, arthritic > suppurative
- Arthritis, arthritic > in > infection
- Disease, diseased > joint > suppurative
- Polyarthritis, polyarthropathy > infective
- Arthritis, arthritic > in > coliform bacilli
- Arthritis, arthritic > infectious or infective
- Arthritis, arthritic > temporomandibular joint
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M26.641 | Arthritis of right temporomandibular joint | Valid |
| M26.643 | Arthritis of bilateral temporomandibular joint | Valid |
| M26.649 | Arthritis of unspecified temporomandibular joint | Valid |