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BillableRadiation sickness, unspecified
T66 is the ICD-10-CM code for Radiation sickness, unspecified. It is a billable, specific code valid for reimbursement.
- Status
- Billable
- Chapter
- S00-T88
- Edition
- FY2026
S00-T88 Injury, poisoning and certain other consequences of external causes
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.
Excludes1 — not coded here
Medications indicated for this condition
FDA labeling- FilgrastimLeukocyte Growth Factor [EPC]›
- PegfilgrastimLeukocyte Growth Factor [EPC]›
- Lidocaine Hcl 5 % , Hydrocortisone Acetate 1%›
- Pegflilgrastim-fpgkLeukocyte Growth Factor [EPC]›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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