Z79.890 Hormone replacement therapy
ICD-10-CM · CMS code reference
Official ICD-10-CM description: Hormone replacement therapy
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Includes
- long term (current) drug use for prophylactic purposes
Excludes2
Not part of this code, but both can be coded when both are documented.
- drug abuse and dependence (F11-F19)
- drug use complicating pregnancy, childbirth, and the puerperium (O99.32-)
Code also
A second code may be needed. Sequencing depends on the encounter.
Related codes
Z79.811Long term (current) use of aromatase inhibitors ICD-10-CMZ79.818Long term (current) use of other agents affecting estrogen receptors and estrogen levels ICD-10-CMZ79.82Long term (current) use of aspirin ICD-10-CMZ79.83Long term (current) use of bisphosphonates ICD-10-CMZ79.84Long term (current) use of oral hypoglycemic drugs ICD-10-CMZ79.85Long-term (current) use of injectable non-insulin antidiabetic drugs ICD-10-CMZ79.891Long term (current) use of opiate analgesic ICD-10-CMZ79.899Other long term (current) drug therapy ICD-10-CM
Common questions
Is Z79.890 a billable code?
Yes. Z79.890 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.