T66.XXXD
BillableRadiation sickness, unspecified, subsequent encounter
T66.XXXD is the ICD-10-CM code for Radiation sickness, unspecified, subsequent encounter. It is a billable, specific code valid for reimbursement.
S00-T88 Injury, poisoning and certain other consequences of external causes
No additional coding notes for this code.
Frequently asked questions
- What is ICD-10 code T66.XXXD?
- T66.XXXD is the ICD-10-CM code for "Radiation sickness, unspecified, subsequent encounter". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
- Is T66.XXXD a billable code?
- Yes — T66.XXXD 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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