MCMedicalCodingSoftware
G71.14

G71.14: Drug induced myotonia

Billable / specific codeICD-10-CM

G71.14 is a billable, specific ICD-10-CM code for drug induced myotonia. It is valid for submission on a claim.

Check G71.14 with the rest of the claim: free scrubber

Use additional code

Add a secondary code to capture the detail described below.

  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Excludes2 inherited from the categories above G71.14

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

G71.14 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

  • Myotonia›drug-induced

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under G71.1

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.