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

Z79.818 (“Long term (current) use of other agents affecting estrogen receptors and estrogen levels”) is a diagnosis code that identifies a specific condition, injury, or finding on a medical claim in the ICD-10-CM code set. Whether it is billed — and whether a payer covers it — depends on the clinical setting, documentation, and plan rules.