G72.3 Periodic paralysis

✓ Billable ICD-10-CM 2026
Open G72.3 in Web App →

The ICD-10-CM code for Periodic paralysis is G72.3 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
G70-G73: Diseases of myoneural junction and muscle (G70-G73)
Category G72
12 codes (9 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to G72.3:

  • Adynamia (episodica) (hereditary) (periodic)
  • Cavare's disease (familial periodic paralysis)
  • Gamstorp's disease (adynamia episodica hereditaria)
  • Paralysis, paralytic (complete) (incomplete) › hyperkalemic periodic (familial)
  • Paralysis, paralytic (complete) (incomplete) › familial (recurrent) (periodic)
  • Disease, diseased › familial periodic paralysis
  • Disease, diseased › Cavare's (familial periodic paralysis)
  • Disease, diseased › Gamstorp's (adynamia episodica hereditaria)
Excludes1
Not coded here. These conditions should NOT be coded together with G72.3.
  • paramyotonia congenita (of von Eulenburg) (G71.19)

Inclusion Terms

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

U.S. Hospital Utilization

  • An estimated 1,130 U.S. inpatient stays in 2023 included G72.3 among the documented diagnoses.
  • 450 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.a
Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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