ICD-10-CM Z79.89: Other long term (current) drug therapy

ICD-10-CM Diagnosis Code (2025)

Official Description for Z79.89

Other long term (current) drug therapy

Coding Notes & Guidelines for Z79.89

Excludes1: Not Coded Here
  • methodone use NOS (F11.9-)
  • use of methodone for treatment of heroin addiction (F11.2-)
Inclusion Terms

Long term (current) use of methadone for pain management

Parent Code (Less Specific):

About ICD-10-CM Code Z79.89 (Other long term)

ICD-10-CM code Z79.89 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Z79.89 became effective on October 1, 2024.

This page provides detailed information about Z79.89 - Other long term (current) drug therapy. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other long term.