ICD-10 Q38.4
Billable / SpecificCongenital malformations of salivary glands and ducts
About ICD-10-CM Q38.4
ICD-10-CM code Q38.4 represents Congenital malformations of salivary glands and ducts. This is a billable/specific code in the Congenital Malformations chapter (block Q38). The 2026 edition of ICD-10-CM Q38.4 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under Q38.4. Per CMS ICD-10-CM Tabular 2026.
- Atresia of salivary glands and ducts
- Congenital absence of salivary glands and ducts
- Congenital accessory salivary glands and ducts
- Congenital fistula of salivary gland
Medicare LCD Coverage for Q38.4
Local Coverage Determinations (LCDs) from CMS MACs that list Q38.4 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 Q38.4.
1 Cigna
1 Aetna
CPT Codes Commonly Billed with Q38.4
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 Q38.4 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 |
|---|---|---|
| Q38.4 | 75021 | 10000 |
| Q38.4 | 75022 | 10000 |
| Q38.4 | 75023 | 10000 |
| Q38.4 | 75024 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To Q38.4
Other codes in section Q38-Q45 (Other congenital malformations of the digestive system).
ICD-10 Q38.4, Billing FAQ
Is ICD-10 code Q38.4 billable? +
Yes, Q38.4 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 Q38.4? +
ICD-10 Q38.4 includes: Atresia of salivary glands and ducts; Congenital absence of salivary glands and ducts; Congenital accessory salivary glands and ducts, and 1 more clinical synonyms.
What ICD-9 codes does Q38.4 map to? +
Per CMS GEMs, Q38.4 maps to ICD-9 codes: 75021, 75022, 75023, 75024. 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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