ICD-10-CM › M00-M99 › M15-M19 › M19.0 Primary osteoarthritis of other joints › M19.09

M19.09

Primary osteoarthritis, other specified site

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2021 onwards.

What has happened to this code

Every change the publisher made, from 2021 to now.

  1. FY2021 Added to the code set Primary osteoarthritis, other specified 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.

Codes in the same group

CodeDescriptionStatus
M19.01 Primary osteoarthritis, shoulder Not billable
M19.02 Primary osteoarthritis, elbow Not billable
M19.03 Primary osteoarthritis, wrist Not billable
M19.04 Primary osteoarthritis, hand Not billable
M19.07 Primary osteoarthritis ankle and foot Not billable