Z77.123
BillableContact with and (suspected) exposure to radon and other naturally occurring radiation
Z77.123 is the ICD-10-CM code for Contact with and (suspected) exposure to radon and other naturally occurring radiation. It is a billable, specific code valid for reimbursement.
Z00-Z99 Factors influencing health status and contact with health services
What this means — in plain language
MedlinePlus · NIHWhat is radiation? Radiation is energy. It travels in the form of energy waves or high-speed particles. Radiation can occur naturally or be man-made. There are two types: Non-ionizing radiation, which includes radio waves, cell phones, microwaves, infrared radiation and visible light Ionizing radiation, which includes ultraviolet radiation, radon , x-rays , and gamma rays What are the sources of radiation exposure?…
Read more about Radiation Exposure at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes2 — not included here
Frequently asked questions
- What is ICD-10 code Z77.123?
- Z77.123 is the ICD-10-CM code for "Contact with and (suspected) exposure to radon and other naturally occurring radiation". It falls under Z00-Z99 Factors influencing health status and contact with health services.
- Is Z77.123 a billable code?
- Yes — Z77.123 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.
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