ICD-10 Code F43.89 - Other reactions to severe stress

ICD-10-CM Diagnosis Code F43.89

Diagnosis Code: F43.89 (Raw: F4389)

Description: Other reactions to severe stress

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

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting (Excluded from No-Fault liability reporting).

Overview & Clinical Details

ICD-10-CM code F43.89 is designated for Other reactions to severe stress. 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.