ICD-10-CM › M00-M99 › M15-M19 › M17 Osteoarthritis of knee › M17.3

M17.3

Unilateral post-traumatic osteoarthritis of knee

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

  • M17.30 Unilateral post-traumatic osteoarthritis, unspecified knee
  • M17.31 Unilateral post-traumatic osteoarthritis, right knee
  • M17.32 Unilateral post-traumatic osteoarthritis, left knee

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.

  1. FY2012 Added to the draft code set draft Unilateral post-traumatic osteoarthritis of knee

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 M15-M19 section Osteoarthritis (M15-M19)

Excludes2 - not included here

  • 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
M17.0 Bilateral primary osteoarthritis of knee Valid
M17.1 Unilateral primary osteoarthritis of knee Not billable
M17.2 Bilateral post-traumatic osteoarthritis of knee Valid
M17.4 Other bilateral secondary osteoarthritis of knee Valid
M17.5 Other unilateral secondary osteoarthritis of knee Valid
M17.9 Osteoarthritis of knee, unspecified Valid