Z79.60 Long term (current) use of unspecified immunomodulators and immunosuppressants
Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.
Applies from Z79 Long term (current) drug therapy
Includes
long term (current) drug use for prophylactic purposes
Excludes2 (not included here)
drug abuse and dependence (F11-F19)
drug use complicating pregnancy, childbirth, and the puerperium (O99.32-)
Code also
any therapeutic drug level monitoring (Z51.81)
Applies from Z79.6 Long term (current) use of immunomodulators and immunosuppressants
Excludes2 (not included here)
long term (current) use of steroids (Z79.5-)
long term (current) use of agents affecting estrogen receptors and estrogen levels (Z79.81-)
MS-DRG index
Defines the logic of DRG(s) 949-950 in MDC 23.
Medicare Code Edits (MCE v43.1 (April 2026))
Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.
Code annotations containing back-references to Z79.60
Back-references to Z79
Code Also: Z51.81 Encounter for therapeutic drug level monitoring ("any long-term (current) drug therapy (Z79.-)")
Type 2 Excludes: Z92.2 Personal history of drug therapy ("long term (current) drug therapy (Z79.-)")
Diagnosis Index entries for Z79.60
Long-term (current) (prophylactic) drug therapy (use of) › immunomodulators, unspecified
Long-term (current) (prophylactic) drug therapy (use of) › immunosuppressants, unspecified