Z79.818 — Long term (current) use of other agents affecting estrogen receptors and estrogen levels
Z79.818 is a billable, specific ICD-10-CM code for long term (current) use of other agents affecting estrogen receptors and estrogen levels. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- 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)
Risk adjustment
Z79.818 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
Z79.818 is named in 8 Medicare coverage policies — 8 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52399Billing and Coding: Denosumab (Prolia®, Xgeva®, Jubbonti®, Wyost®, Ospomyv™,Xbryk™,Bomyntra®, Conexxence®, Stoboclo®, Osenvelt®,Bildyos®, Bilprevda®)
- A57132Billing and Coding: Bone Mass Measurement
- A57132Billing and Coding: Bone Mass Measurement
- A57718Billing and Coding: Vitamin D Assay Testing
How Z79.818 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Z79.818.
- Long-term›agents affecting estrogen receptors and estrogen levels NEC
- Long-term›estrogen receptor downregulators
- Long-term›fulvestrant(Faslodex)
- Long-term›gonadotropin-releasing hormone agonist(GnRH)
- Long-term›goserelin acetate(Zoladex)
- Long-term›leuprolide acetate(leuprorelin) (Lupron)
- Long-term›megestrol acetate(Megace)
- Therapy›drug, long-term›agents affecting estrogen receptors and estrogen levels NEC
- Therapy›drug, long-term›estrogen receptor downregulators
- Therapy›drug, long-term›fulvestrant(Faslodex)
- Therapy›drug, long-term›gonadotropin-releasing hormone agonist(GnRH)
- Therapy›drug, long-term›goserelin acetate(Zoladex)
Related codes at this level
Codes that share Z79.81. If Z79.818 is not quite right, the correct code is usually one of these.
Questions about Z79.818
- Is Z79.818 a billable ICD-10-CM code?
- Yes. Z79.818 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Z79.818 sit in the tabular list?
- Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).