Z79.890

Z79.890: Hormone replacement therapy

Billable / specific codeICD-10-CMPOA exempt

Z79.890 is a billable, specific ICD-10-CM code for hormone replacement therapy. It is valid for submission on a claim.

Check Z79.890 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above Z79.890

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 Z79.890

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.

Medicare coverage

Z79.890 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A57718Billing and Coding: Vitamin D Assay Testing
A57736Billing and Coding: Vitamin D Assay Testing
A58828Billing and Coding: Treatment of Males with Low Testosterone

Alphabetic index entries that lead here

Long-term›hormone replacement
Therapy›drug, long-term›hormone replacement

Code history

Unchanged in every release from FY2024 to FY2027.