ICD-10 Q92.2
Billable / SpecificPartial trisomy
About ICD-10-CM Q92.2
ICD-10-CM code Q92.2 represents Partial trisomy. This is a billable/specific code in the Congenital Malformations chapter (block Q92). The 2026 edition of ICD-10-CM Q92.2 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under Q92.2. Per CMS ICD-10-CM Tabular 2026.
- Less than whole arm duplicated
- Whole arm or more duplicated
Type 1 Excludes
Pure excludes, these codes can never be coded together with Q92.2. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- partial trisomy due to unbalanced translocation (Q92.5)
Medicare LCD Coverage for Q92.2
Local Coverage Determinations (LCDs) from CMS MACs that list Q92.2 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing Q92.2.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but Q92.2 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with Q92.2
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 Q92.2 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 |
|---|---|---|
| Q92.2 | 7585 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To Q92.2
Other codes in section Q90-Q99 (Chromosomal abnormalities, not elsewhere classified).
ICD-10 Q92.2, Billing FAQ
Is ICD-10 code Q92.2 billable? +
Yes, Q92.2 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 Q92.2? +
ICD-10 Q92.2 includes: Less than whole arm duplicated; Whole arm or more duplicated.
What codes are Type 1 Excludes for Q92.2? +
Type 1 Excludes (never code together with Q92.2): partial trisomy due to unbalanced translocation (Q92.5)
What ICD-9 codes does Q92.2 map to? +
Per CMS GEMs, Q92.2 maps to ICD-9 codes: 7585. 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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