H65.412
Billable codeChronic allergic otitis media, left ear
The ICD-10 code for chronic allergic otitis media, left ear is H65.412.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- H65.411Chronic allergic otitis media, right ear
- H65.413Chronic allergic otitis media, bilateral
- H65.419Chronic allergic otitis media, unspecified ear
- H65.412Chronic allergic otitis media, left ear
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 3813Approximate match
Associated MS-DRGs
H65.412 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.