ICD-10 G83.22
Billable / Specific HCC v28: 104Monoplegia of upper limb affecting left dominant side
About ICD-10-CM G83.22
ICD-10-CM code G83.22 represents Monoplegia of upper limb affecting left dominant side. This is a billable/specific code in the Nervous System chapter (block G83). The 2026 edition of ICD-10-CM G83.22 became effective on October 1, 2025.
Coding Tips for G83.22
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
G83.22 is a CMS-HCC v28 risk-adjustment code (category 104). To count for the patient Risk Adjustment Factor (RAF), document the diagnosis with MEAT language each calendar year: Monitored, Evaluated, Assessed, Treated. A diagnosis on the problem list alone does not satisfy CMS RADV audit standards. Include the diagnosis in the assessment with current status and current treatment plan.
Medicare Advantage HCC Impact
Capture this diagnosis annually for accurate risk adjustment. Missed HCC captures are the #1 revenue leak in Medicare Advantage risk programs.
Medicare LCD Coverage for G83.22
Local Coverage Determinations (LCDs) from CMS MACs that list G83.22 as a covered diagnosis.
Showing top 10 of 869 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing G83.22.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with G83.22
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
Convert G83.22 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 |
|---|---|---|
| G83.22 | 34441 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To G83.22
Other codes in section G80-G83 (Cerebral palsy and other paralytic syndromes).
ICD-10 G83.22, Billing FAQ
Is ICD-10 code G83.22 billable? +
Yes, G83.22 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Does G83.22 affect Medicare Advantage HCC risk adjustment? +
Yes. G83.22 maps to CMS-HCC v28 category 104. Capture this diagnosis annually for accurate Medicare Advantage risk score.
What CPT codes are commonly billed with G83.22? +
Procedures frequently paired with G83.22 include: 93882, 91125.
What ICD-9 codes does G83.22 map to? +
Per CMS GEMs, G83.22 maps to ICD-9 codes: 34441. 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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