ICD-10-CM › M00-M99 › M15-M19 › M19.9 Osteoarthritis, unspecified site › M19.90
Unspecified osteoarthritis, unspecified site
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 2007 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.
- FY2007 Added to the draft code set draft Unspecified osteoarthritis, unspecified site
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 M19 Other and unspecified osteoarthritis
Excludes1 - never coded here
- polyarthritis (M15.-)
Excludes2 - not included here
- arthrosis of spine (M47.-)
- hallux rigidus (M20.2)
- osteoarthritis of spine (M47.-)
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.
- Arthrosis
- Arthropyosis
- Pyoarthrosis
- Osteoarthrosis
- Septic > joint
- Abscess > joint
- Pachydermoperiostosis
- Pyemia, pyemic > joint
- Bamberger-Marie disease
- Marie-Bamberger disease
- Pyarthritis, pyarthrosis
- Arthropathy > osteopulmonary
- Arthritis, arthritic > septic
- Arthritis, arthritic > atrophic
- Arthritis, arthritic > purulent
- Arthritis, arthritic > deformans
- Suppuration, suppurative > joint
- Arthritis, arthritic > suppurative
- Arthritis, arthritic > degenerative
- Arthritis, arthritic > in > infection
- Disease, diseased > joint > suppurative
- Disease, diseased > joint > degenerative
- Disease, diseased > joint > hypertrophic
- Arthritis, arthritic > senile or senescent
- Degeneration, degenerative > joint disease
- Polyarthritis, polyarthropathy > infective
- Osteoarthropathy > pulmonary > hypertrophic
- Arthritis, arthritic > in > coliform bacilli
- Arthritis, arthritic > meaning osteoarthritis
- Arthritis, arthritic > infectious or infective
- Arthrosis
- Osteoarthritis
- Osteoarthropathy
- Arthritis, arthritic
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M19.91 | Primary osteoarthritis, unspecified site | Valid |
| M19.92 | Post-traumatic osteoarthritis, unspecified site | Valid |
| M19.93 | Secondary osteoarthritis, unspecified site | Valid |