ICD-10 Q84.9
Billable / SpecificCongenital malformation of integument, unspecified
About ICD-10-CM Q84.9
ICD-10-CM code Q84.9 represents Congenital malformation of integument, unspecified. This is a billable/specific code in the Congenital Malformations chapter (block Q84). The 2026 edition of ICD-10-CM Q84.9 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under Q84.9. Per CMS ICD-10-CM Tabular 2026.
- Congenital anomaly of integument NOS
- Congenital deformity of integument NOS
Medicare LCD Coverage for Q84.9
Local Coverage Determinations (LCDs) from CMS MACs that list Q84.9 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 Q84.9.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but Q84.9 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with Q84.9
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 Q84.9 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 |
|---|---|---|
| Q84.9 | 7579 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To Q84.9
Other codes in section Q80-Q89 (Other congenital malformations).
ICD-10 Q84.9, Billing FAQ
Is ICD-10 code Q84.9 billable? +
Yes, Q84.9 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 Q84.9? +
ICD-10 Q84.9 includes: Congenital anomaly of integument NOS; Congenital deformity of integument NOS.
What ICD-9 codes does Q84.9 map to? +
Per CMS GEMs, Q84.9 maps to ICD-9 codes: 7579. 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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