ICD-10 Q89.8
Non-Billable HeaderOther specified congenital malformations
About ICD-10-CM Q89.8
ICD-10-CM code Q89.8 represents Other specified congenital malformations. This is a non-billable header code in the Congenital Malformations chapter (block Q89). The 2026 edition of ICD-10-CM Q89.8 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Use Additional Code
When coding Q89.8, also report these additional codes when applicable.
- code(s) to identify all associated manifestations
Medicare LCD Coverage for Q89.8
Local Coverage Determinations (LCDs) from CMS MACs that list Q89.8 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 Q89.8.
1 Aetna
CPT Codes Commonly Billed with Q89.8
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 Q89.8 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 |
|---|---|---|
| Q89.8 | 75989 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To Q89.8
Other codes in section Q80-Q89 (Other congenital malformations).
ICD-10 Q89.8, Billing FAQ
Is ICD-10 code Q89.8 billable? +
No, Q89.8 is a non-billable header code. Use a more specific child code from block Q89 when submitting claims.
What ICD-9 codes does Q89.8 map to? +
Per CMS GEMs, Q89.8 maps to ICD-9 codes: 75989. 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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