ICD-10 Q78
Non-Billable HeaderOther osteochondrodysplasias
About ICD-10-CM Q78
ICD-10-CM code Q78 represents Other osteochondrodysplasias. This is a non-billable header code in the Congenital Malformations chapter (block Q78). The 2026 edition of ICD-10-CM Q78 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.
Type 2 Excludes
Not included here, the excluded code is not part of Q78, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- congenital myotonic chondrodystrophy (G71.13)
Medicare LCD Coverage for Q78
Local Coverage Determinations (LCDs) from CMS MACs that list Q78 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 Q78.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but Q78 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with Q78
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.
Codes Adjacent To Q78
Other codes in section Q65-Q79 (Congenital malformations and deformations of the musculoskeletal system).
ICD-10 Q78, Billing FAQ
Is ICD-10 code Q78 billable? +
No, Q78 is a non-billable header code. Use a more specific child code from block Q78 when submitting claims.
What codes are Type 2 Excludes for Q78? +
Type 2 Excludes (may be coded together when both conditions exist): congenital myotonic chondrodystrophy (G71.13)
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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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