ICD-10 Code T84.023A - Instability of internal left knee prosthesis, initial encounter

ICD-10-CM Diagnosis Code T84.023A

Diagnosis Code: T84.023A (Raw: T84023A)

Description: Instability of internal left knee prosthesis, 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 T84.023A is designated for Instability of internal left knee prosthesis, 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.