H74.319
Billable codeAnkylosis of ear ossicles, unspecified ear
The ICD-10 code for ankylosis of ear ossicles, unspecified ear is H74.319.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •Laterality-specific codes exist for this condition — confirm the affected side is documented.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- H74.311Ankylosis of ear ossicles, right ear
- H74.312Ankylosis of ear ossicles, left ear
- H74.313Ankylosis of ear ossicles, bilateral
- H74.319Ankylosis of ear ossicles, unspecified ear
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 38521Approximate match
- 38522Approximate match
Associated MS-DRGs
H74.319 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.