G72.3 Periodic paralysis

Billable ICD-10-CM code, FY2026.

Applicable to

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

Excludes1 (never code together)

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

Applies from G72 Other and unspecified myopathies

Excludes1 (never code together)

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

MS-DRG index

Defines the logic of DRG(s) 091-093 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 359.3 Periodic paralysis

Code annotations containing back-references to G72.3

Back-references to G72.3

• Type 1 Excludes: E87 Other disorders of fluid, electrolyte and acid-base balance ("familial periodic paralysis (G72.3)")

Back-references to G72

• Code First: M62.84 Sarcopenia ("other and unspecified myopathies (G72.-)")

Diagnosis Index entries for G72.3

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

Nearby codes

• G72 Other and unspecified myopathies
• G72.0 Drug-induced myopathy
• G72.1 Alcoholic myopathy
• G72.2 Myopathy due to other toxic agents
• G72.3 Periodic paralysis (this code)
• G72.4 Inflammatory and immune myopathies, not elsewhere classified
• G72.41 Inclusion body myositis [IBM]
• G72.49 Other inflammatory and immune myopathies, not elsewhere classified
• G72.8 Other specified myopathies
• G72.81 Critical illness myopathy