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G72.3

✓ Billable

Periodic paralysis

Diseases of the nervous system (G00-G99)

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Also Known As

Familial periodic paralysisHyperkalemic periodic paralysis (familial)Hypokalemic periodic paralysis (familial)Myotonic periodic paralysis (familial)Normokalemic paralysis (familial)Potassium sensitive periodic paralysis

❌ Excludes1

direct

Cannot be coded with G72.3

  • • paramyotonia congenita (of von Eulenburg) (G71.19)

❌ Excludes1

inherited from G72

Rules from parent category G72: Other and unspecified myopathies

  • • arthrogryposis multiplex congenita (Q74.3)
  • • dermatopolymyositis (M33.-)
  • • ischemic infarction of muscle (M62.2-)
  • • myositis (M60.-)
  • • polymyositis (M33.2.-)

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Code Information

CodeG72.3
BillableYes
ParentG72
CategoryDiseases of the nervous system (G00-G99)
Excludes16 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)