Z79.818

Billable

Long term (current) use of other agents affecting estrogen receptors and estrogen levels

Z79.818 is the ICD-10-CM code for Long term (current) use of other agents affecting estrogen receptors and estrogen levels. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
Z00-Z99
Parent
Z79.81
Edition
FY2026

Z00-Z99 Factors influencing health status and contact with health services

What this means — in plain language

MedlinePlus · NIH

Hormones are your body's chemical messengers. They travel in your bloodstream to tissues or organs. They work slowly, over time, and affect many different processes, including: Growth and development Metabolism - how your body gets energy from the foods you eat Sexual function Reproduction Mood Endocrine glands, which are special groups of cells, make hormones. The major endocrine glands are the pituitary, pineal,…

Read more about Hormones at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Long term (current) use of estrogen receptor downregulators
  • Long term (current) use of fulvestrant (Faslodex)
  • Long term (current) use of gonadotropin-releasing hormone (GnRH) agonist
  • Long term (current) use of goserelin acetate (Zoladex)
  • Long term (current) use of leuprolide acetate (leuprorelin) (Lupron)
  • Long term (current) use of megestrol acetate (Megace)

Frequently asked questions

What is ICD-10 code Z79.818?
Z79.818 is the ICD-10-CM code for "Long term (current) use of other agents affecting estrogen receptors and estrogen levels". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z79.818 a billable code?
Yes — Z79.818 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.