ICD-10 Q24.8
Billable / SpecificOther specified congenital malformations of heart
About ICD-10-CM Q24.8
ICD-10-CM code Q24.8 represents Other specified congenital malformations of heart. This is a billable/specific code in the Congenital Malformations chapter (block Q24). The 2026 edition of ICD-10-CM Q24.8 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under Q24.8. Per CMS ICD-10-CM Tabular 2026.
- Congenital diverticulum of left ventricle
- Congenital malformation of myocardium
- Congenital malformation of pericardium
- Malposition of heart
- Uhl's disease
Medicare LCD Coverage for Q24.8
Local Coverage Determinations (LCDs) from CMS MACs that list Q24.8 as a covered diagnosis.
Showing top 10 of 352 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing Q24.8.
1 Aetna
5 Medicare
CPT Codes Commonly Billed with Q24.8
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 Q24.8 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 |
|---|---|---|
| Q24.8 | 74684 | 10000 |
| Q24.8 | 74687 | 10000 |
| Q24.8 | 74689 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To Q24.8
Other codes in section Q20-Q28 (Congenital malformations of the circulatory system).
ICD-10 Q24.8, Billing FAQ
Is ICD-10 code Q24.8 billable? +
Yes, Q24.8 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 Q24.8? +
ICD-10 Q24.8 includes: Congenital diverticulum of left ventricle; Congenital malformation of myocardium; Congenital malformation of pericardium, and 2 more clinical synonyms.
What ICD-9 codes does Q24.8 map to? +
Per CMS GEMs, Q24.8 maps to ICD-9 codes: 74684, 74687, 74689. 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 June 1, 2026.
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