ICD-10 Q37.1
Billable / SpecificCleft hard palate with unilateral cleft lip
About ICD-10-CM Q37.1
ICD-10-CM code Q37.1 represents Cleft hard palate with unilateral cleft lip. This is a billable/specific code in the Congenital Malformations chapter (block Q37). The 2026 edition of ICD-10-CM Q37.1 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under Q37.1. Per CMS ICD-10-CM Tabular 2026.
- Cleft hard palate with cleft lip NOS
Medicare LCD Coverage for Q37.1
Local Coverage Determinations (LCDs) from CMS MACs that list Q37.1 as a covered diagnosis.
Showing top 10 of 412 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing Q37.1.
5 Medicare
CPT Codes Commonly Billed with Q37.1
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 Q37.1 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 |
|---|---|---|
| Q37.1 | 74921 | 10000 |
| Q37.1 | 74922 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To Q37.1
Other codes in section Q35-Q37 (Cleft lip and cleft palate).
ICD-10 Q37.1, Billing FAQ
Is ICD-10 code Q37.1 billable? +
Yes, Q37.1 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 Q37.1? +
ICD-10 Q37.1 includes: Cleft hard palate with cleft lip NOS.
What ICD-9 codes does Q37.1 map to? +
Per CMS GEMs, Q37.1 maps to ICD-9 codes: 74921, 74922. 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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