G72.3 is the authoritative medical code for Periodic paralysis. This classification is used in medical billing and clinical recording to specify the clinical criteria for periodic paralysis (ICD-10-CM G72.3), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Periodic paralysis is a billable ICD-10-CM diagnosis code G72.3. Inclusion terms: Familial periodic paralysis; Hyperkalemic periodic paralysis familial; Hypokalemic periodic paralysis familial; Myotonic periodic paralysis familial; Normokalemic paralysis familial; Potassium sensitive periodic paralysis. Excludes1 (not coded here): paramyotonia congenita (of von Eulenburg) G71.19; arthrogryposis multiplex congenita Q74.3; dermatopolymyositis M33.-; ischemic infarction of muscle M62.2-; myositis M60.-; polymyositis M33.2.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for G72.3 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Familial periodic paralysis
- Hyperkalemic periodic paralysis familial
- Hypokalemic periodic paralysis familial
- Myotonic periodic paralysis familial
- Normokalemic paralysis familial
- Potassium sensitive periodic paralysis
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- paramyotonia congenita (of von Eulenburg) G71.19
- arthrogryposis multiplex congenita Q74.3
- dermatopolymyositis M33.-
- ischemic infarction of muscle M62.2-
- myositis M60.-
- polymyositis M33.2.-
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with G72.3?
Per Excludes1 instructions, G72.3 must not be reported with: paramyotonia congenita (of von Eulenburg) (G71.19); arthrogryposis multiplex congenita (Q74.3); dermatopolymyositis (M33.-); ischemic infarction of muscle (M62.2-).
What conditions are included under G72.3?
Periodic paralysis includes: Familial periodic paralysis; Hyperkalemic periodic paralysis (familial); Hypokalemic periodic paralysis (familial); Myotonic periodic paralysis (familial); Normokalemic paralysis (familial).
Codes in This Family (7)
Official ICD-10-CM classifications in the same code family as G72.3, with their registry titles.
- G72 — Other and unspecified myopathies
- G72.0 — Drug-induced myopathy
- G72.1 — Alcoholic myopathy
- G72.2 — Myopathy due to other toxic agents
- G72.4 — Inflammatory and immune myopathies, not elsewhere classified
- G72.8 — Other specified myopathies
- G72.9 — Myopathy, unspecified
Indexed Clinical Terms (11)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- 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)
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code G73.3
Myasthenic syndromes in other diseases classified elsewhere