G71.19

G71.19: Other specified myotonic disorders

Billable / specific codeICD-10-CM

G71.19 is a billable, specific ICD-10-CM code for other specified myotonic disorders. It is valid for submission on a claim.

Check G71.19 with the rest of the claim: free scrubber

Inclusion terms

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

Myotonia fluctuans
Myotonia permanens
Neuromyotonia [Isaacs]
Paramyotonia congenita (of von Eulenburg)
Pseudomyotonia
Symptomatic myotonia

Excludes2 inherited from the categories above G71.19

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.-)

Other codes that can never be billed with G71.19

Their own Excludes1 notes name this code, so the conflict is not listed above.

G72.3Periodic paralysis

Risk adjustment

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

Medicare coverage

G71.19 is named in 17 Medicare coverage policies: 17 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

Eulenburg's disease(congenital paramyotonia)
Neuromyotonia(Isaacs)
Paramyotonia(congenita)
Pseudomyotonia
Von Eulenburg's disease
Cataract›myotonic
Disease, diseased›Eulenburg's(congenital paramyotonia)
Disease, diseased›von Eulenburg's(congenital paramyotonia)
Disorder›myotonic NEC
Myotonia›fluctuans
Myotonia›permanens
Myotonia›symptomatic

Code history

Unchanged in every release from FY2024 to FY2027.