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Z79.8

Z79.8: Other long term (current) drug therapy

Non-billable headerICD-10-CM

Z79.8 is a non-billable header ICD-10-CM code for other long term (current) drug therapy. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2 inherited from the categories above Z79.8

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-)

Other codes that can never be billed with Z79.8

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • Z79.81Long term (current) use of agents affecting estrogen receptors and estrogen levels

Risk adjustment

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

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead Z79.8

6 child codes. Green means billable.

Other codes under Z79

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.