ICD-10-CM · Category

S00.422 — Blister (nonthermal) of left ear

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

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Sub-codes under S00.422

S00.422ABlister (nonthermal) of left ear, initial encounterS00.422DBlister (nonthermal) of left ear, subsequent encounterS00.422SBlister (nonthermal) of left ear, sequela

Related diagnoses

S00.421Blister (nonthermal) of right earS00.429Blister (nonthermal) of unspecified ear

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