ICD-10 Guide

Z79

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

Non-billable

Long term (current) drug therapy

Chapter 21:Factors influencing health status

BILLABLE STATUSNo

IMPLEMENTATION DATEOctober 1, 2015

LAST UPDATED08/26/2025

Code Description

ICD-10 Z79 is a used to indicate a diagnosis of long term (current) drug therapy.

Key Diagnostic Point:

Long term (current) drug therapy