ICD-10 Code T28.5XXA - Corrosion of mouth and pharynx, initial encounter

ICD-10-CM Diagnosis Code T28.5XXA

Diagnosis Code: T28.5XXA (Raw: T285XXA)

Description: Corrosion of mouth and pharynx, initial encounter

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code T28.5XXA is designated for Corrosion of mouth and pharynx, initial encounter. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.