ICD-10 Guide

Z86.51

Name: ICD-10-CM Medical Diagnosis Codes
Creator: Centers for Medicare & Medicaid Services
License: https://www.cms.gov/medicare/coding/icd10

Personal history of combat and operational stress reaction

BILLABLE STATUSYes

IMPLEMENTATION DATEOctober 1, 2015

LAST UPDATED08/26/2025

Code Description

ICD-10 Z86.51 is a billable code used to indicate a diagnosis of personal history of combat and operational stress reaction.

Key Diagnostic Point:

Personal history of combat and operational stress reaction