G71.13

G71.13: Myotonic chondrodystrophy

Billable / specific codeICD-10-CM

G71.13 is a billable, specific ICD-10-CM code for myotonic chondrodystrophy. It is valid for submission on a claim.

Check G71.13 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Chondrodystrophic myotonia
Congenital myotonic chondrodystrophy
Schwartz-Jampel disease

Excludes2 inherited from the categories above G71.13

Not part of this code, but both may be coded when both are present.

Written on G71: Primary disorders of muscles

arthrogryposis multiplex congenita (Q74.3)
metabolic disorders (E70-E88)
myositis (M60.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

G71.13 is named in 16 Medicare coverage policies: 16 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52494High Frequency Chest Wall Oscillation Devices - Policy Article
A52510Mechanical In-exsufflation Devices - Policy Article
A53052Billing and Coding: Home Health Speech-Language Pathology
A53057Billing and Coding: Home Health Occupational Therapy

Alphabetic index entries that lead here

Schwartz syndrome(-Jampel)
Chondrodystrophy, chondrodystrophia›myotonic(congenital)
Disease, diseased›Schwartz-Jampel
Myotonia›chondrodystrophic
Syndrome›Schwartz(-Jampel)

Code history

Unchanged in every release from FY2024 to FY2027.