Z79.81
Non-billableLong term (current) use of agents affecting estrogen receptors and estrogen levels
Z79.81 is the ICD-10-CM code for Long term (current) use of agents affecting estrogen receptors and estrogen levels. It is a non-billable category code — use a more specific child code such as Z79.810 for billing.
Z00-Z99 Factors influencing health status and contact with health services
Excludes1 — not coded here
- •hormone replacement therapy (Z79.890)
Code first
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Frequently asked questions
- What is ICD-10 code Z79.81?
- Z79.81 is the ICD-10-CM code for "Long term (current) use of agents affecting estrogen receptors and estrogen levels". It falls under Z00-Z99 Factors influencing health status and contact with health services.
- Is Z79.81 a billable code?
- No — Z79.81 is a non-billable header code. Use a more specific child code (such as Z79.810) for billing.
- What are the subcodes of Z79.81?
- Z79.81 has 3 more specific child codes, including Z79.810, Z79.811, Z79.818.
- What is excluded from Z79.81?
- Excludes1 (not coded here): hormone replacement therapy (Z79.890).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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