ICD-10-CM · Billable Code

S00.449D — External constriction of unspecified ear, subs encntr

External constriction of unspecified ear, subsequent encounter

Chapter S00-T88: Injury, poisoning and certain other consequences of external causes

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Related diagnoses

S00.449AExternal constriction of unspecified ear, initial encounterS00.449SExternal constriction of unspecified ear, sequela

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗