Z79.891

Z79.891: Long term (current) use of opiate analgesic

Billable / specific codeICD-10-CMPOA exempt

Z79.891 is a billable, specific ICD-10-CM code for long term (current) use of opiate analgesic. It is valid for submission on a claim.

Check Z79.891 with the rest of the claim: free scrubber

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

methadone use NOS (F11.9-)
use of methadone for treatment of heroin addiction (F11.2-)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Long term (current) use of methadone for pain management

Excludes2 inherited from the categories above Z79.891

Not part of this code, but both may be coded when both are present.

Written on Z79: Long term (current) drug therapy

drug abuse and dependence (F11-F19)
drug use complicating pregnancy, childbirth, and the puerperium (O99.32-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Z79.891 is named in 29 Medicare coverage policies: 29 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A54799Billing and Coding: Urine Drug Testing
A55001Billing and Coding: Urine Drug Testing
A56389Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
A56416Billing and Coding: Assays for Vitamins and Metabolic Function

Alphabetic index entries that lead here

Long-term›methadone for pain management
Long-term›opiate analgesic
Therapy›drug, long-term›opiate analgesic
Therapy›drug, long-term›methadone›for pain management

Code history

Unchanged in every release from FY2024 to FY2027.