ICD-10 G72.3
Billable / SpecificPeriodic paralysis
About ICD-10-CM G72.3
ICD-10-CM code G72.3 represents Periodic paralysis. This is a billable/specific code in the Nervous System chapter (block G72). The 2026 edition of ICD-10-CM G72.3 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under G72.3. Per CMS ICD-10-CM Tabular 2026.
- Familial periodic paralysis
- Hyperkalemic periodic paralysis (familial)
- Hypokalemic periodic paralysis (familial)
- Myotonic periodic paralysis (familial)
- Normokalemic paralysis (familial)
- Potassium sensitive periodic paralysis
Type 1 Excludes
Pure excludes, these codes can never be coded together with G72.3. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- paramyotonia congenita (of von Eulenburg) (G71.19)
Medicare Advantage HCC Impact
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Medicare LCD Coverage for G72.3
Local Coverage Determinations (LCDs) from CMS MACs that list G72.3 as a covered diagnosis.
Showing top 10 of 305 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing G72.3.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with G72.3
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert G72.3 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| G72.3 | 3593 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To G72.3
Other codes in section G70-G73 (Diseases of myoneural junction and muscle).
ICD-10 G72.3, Billing FAQ
Is ICD-10 code G72.3 billable? +
Yes, G72.3 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to G72.3? +
ICD-10 G72.3 includes: Familial periodic paralysis; Hyperkalemic periodic paralysis (familial); Hypokalemic periodic paralysis (familial), and 3 more clinical synonyms.
What codes are Type 1 Excludes for G72.3? +
Type 1 Excludes (never code together with G72.3): paramyotonia congenita (of von Eulenburg) (G71.19)
What ICD-9 codes does G72.3 map to? +
Per CMS GEMs, G72.3 maps to ICD-9 codes: 3593. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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