Synovial hypertrophy, not elsewhere classified, unspecified site

ValidICD-10-CM diagnosis code.

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

Valid FY2016 onwards.

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 Synovial hypertrophy, not elsewhere classified, 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 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

Codes in the same group

Code	Description	Status
M67.21	Synovial hypertrophy, not elsewhere classified, shoulder	Not billable
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