ICD-10-CM › M00-M99 › M65-M67 › M67.2 Synovial hypertrophy, not... › M67.21

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:

• M67.211 Synovial hypertrophy, not elsewhere classified, right shoulder
• M67.212 Synovial hypertrophy, not elsewhere classified, left shoulder
• M67.219 Synovial hypertrophy, not elsewhere classified, unspecified shoulder

What has happened to this code

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 M67 Other disorders of synovium and tendon

Excludes1 - never coded here

• palmar fascial fibromatosis [Dupuytren] (M72.0)
• tendinitis NOS (M77.9-)
• xanthomatosis localized to tendons (E78.2)

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.

• Hypertrophy, hypertrophic > synovial NEC > acromioclavicular

Codes in the same group

Code	Description	Status
M67.20	Synovial hypertrophy, not elsewhere classified, unspecified site	Valid
M67.22	Synovial hypertrophy, not elsewhere classified, upper arm	Not billable
M67.23	Synovial hypertrophy, not elsewhere classified, forearm	Not billable
M67.24	Synovial hypertrophy, not elsewhere classified, hand	Not billable
M67.25	Synovial hypertrophy, not elsewhere classified, thigh	Not billable
M67.26	Synovial hypertrophy, not elsewhere classified, lower leg	Not billable
M67.27	Synovial hypertrophy, not elsewhere classified, ankle and foot	Not billable
M67.28	Synovial hypertrophy, not elsewhere classified, other site	Valid
M67.29	Synovial hypertrophy, not elsewhere classified, multiple sites	Valid