ICD-10 H74.8X1
Billable / SpecificOther specified disorders of right middle ear and mastoid
About ICD-10-CM H74.8X1
ICD-10-CM code H74.8X1 represents Other specified disorders of right middle ear and mastoid. This is a billable/specific code in the Ear and Mastoid Process chapter (block H74). The 2026 edition of ICD-10-CM H74.8X1 became effective on October 1, 2025.
Medicare LCD Coverage for H74.8X1
Local Coverage Determinations (LCDs) from CMS MACs that list H74.8X1 as a covered diagnosis.
Showing top 10 of 28 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing H74.8X1.
1 Medicare
CPT Codes Commonly Billed with H74.8X1
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 H74.8X1 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 |
|---|---|---|
| H74.8X1 | 38589 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To H74.8X1
Other codes in section H65-H75 (Diseases of middle ear and mastoid).
ICD-10 H74.8X1, Billing FAQ
Is ICD-10 code H74.8X1 billable? +
Yes, H74.8X1 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does H74.8X1 map to? +
Per CMS GEMs, H74.8X1 maps to ICD-9 codes: 38589. 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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