ICD-10-CM › M00-M99 › M20-M25 › M24.2 Disorder of ligament › M24.29

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

Valid FY2021 onwards.

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 M24 Other specific joint derangements

Excludes1 - never coded here

• current injury - see injury of joint by body region

Excludes2 - not included here

• ganglion (M67.4)
• snapping knee (M23.8-)
• temporomandibular joint disorders (M26.6-)

Inherited from the M20-M25 section Other joint disorders (M20-M25)

Excludes2 - not included here

• joints of the spine (M40-M54)

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.

• Change > joint
• Mushrooming hip
• Unstable > joint
• Change > hip joint
• Deformity > ligament
• Derangement > shoulder
• Lax, laxity > ligament
• Cyst > intraligamentous
• Derangement > joint > ligament
• Disorder > joint > derangement
• Disorder > joint > instability
• Hypertrophy, hypertrophic > ligament
• Contraction, contracture, contracted > ligament
• Instability > joint > due to old ligament injury
• Instability > joint > secondary to > old ligament injury
• Disorder > ligament > specified site NEC

Codes in the same group

Code	Description	Status
M24.20	Disorder of ligament, unspecified site	Valid
M24.21	Disorder of ligament, shoulder	Not billable
M24.22	Disorder of ligament, elbow	Not billable
M24.23	Disorder of ligament, wrist	Not billable
M24.24	Disorder of ligament, hand	Not billable
M24.25	Disorder of ligament, hip	Not billable
M24.27	Disorder of ligament, ankle and foot	Not billable
M24.28	Disorder of ligament, vertebrae	Valid