ICD-10 Z44.21
Billable / SpecificEncounter for fitting and adjustment of artificial right eye
About ICD-10-CM Z44.21
ICD-10-CM code Z44.21 represents Encounter for fitting and adjustment of artificial right eye. This is a billable/specific code in the Factors Influencing Health Status chapter (block Z44). The 2026 edition of ICD-10-CM Z44.21 became effective on October 1, 2025.
Medicare LCD Coverage for Z44.21
Local Coverage Determinations (LCDs) from CMS MACs that list Z44.21 as a covered diagnosis.
Showing top 10 of 32 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing Z44.21.
2 Medicare
CPT Codes Commonly Billed with Z44.21
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 Z44.21 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 |
|---|---|---|
| Z44.21 | V522 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To Z44.21
Other codes in section Z40-Z53 (Encounters for other specific health care).
ICD-10 Z44.21, Billing FAQ
Is ICD-10 code Z44.21 billable? +
Yes, Z44.21 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does Z44.21 map to? +
Per CMS GEMs, Z44.21 maps to ICD-9 codes: V522. 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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