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G72.3

G72.3: Periodic paralysis

Billable / specific codeICD-10-CM

G72.3 is a billable, specific ICD-10-CM code for periodic paralysis. It is valid for submission on a claim.

Check G72.3 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

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

Inclusion terms

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

  • Familial periodic paralysis
  • Hyperkalemic periodic paralysis (familial)
  • Hypokalemic periodic paralysis (familial)
  • Myotonic periodic paralysis (familial)
  • Normokalemic paralysis (familial)
  • Potassium sensitive periodic paralysis

Excludes1 inherited from the categories above G72.3

A category’s note binds every code beneath it.

Written on G72: Other and unspecified myopathies

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

Other codes that can never be billed with G72.3

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

  • E87Other disorders of fluid, electrolyte and acid-base balance

Risk adjustment

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

Medicare coverage

G72.3 is named in 9 Medicare coverage policies: 9 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A53052Billing and Coding: Home Health Speech-Language Pathology
  • A54095Billing and Coding: Nerve Conduction Studies and Electromyography
  • A54969Billing and Coding: Nerve Conduction Studies and Electromyography
  • A56619Billing and Coding: Nerve Conduction Studies and Electromyography

Alphabetic index entries that lead here

  • Adynamia(episodica) (hereditary) (periodic)
  • Cavare's disease(familial periodic paralysis)
  • Gamstorp's disease(adynamia episodica hereditaria)
  • Disease, diseased›Cavare's(familial periodic paralysis)
  • Disease, diseased›familial periodic paralysis
  • Disease, diseased›Gamstorp's(adynamia episodica hereditaria)
  • Paralysis, paralytic›familial(recurrent) (periodic)
  • Paralysis, paralytic›hyperkalemic periodic(familial)
  • Paralysis, paralytic›hypokalemic periodic
  • Paralysis, paralytic›normokalemic periodic
  • Paralysis, paralytic›periodic(familial) (hyperkalemic) (hypokalemic) (myotonic) (normokalemic) (potassium sensitive) (secondary)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under G72

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.