Search Browse Crosswalk Fees Tools Pricing

Codelle

AI-powered medical coding assistant for healthcare practices and billers.

Pricing Privacy Terms

© 2026 Codelle. All rights reserved.

CPT® copyright 2026 American Medical Association. All rights reserved. CPT is a registered trademark of the American Medical Association. Applicable FARS/DFARS restrictions apply to government use. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use.

ICD-10-CM T66 — Radiation sickness, unspecified | Codelle

T66

ICD-10-CM

Radiation sickness, unspecified

Clinical Notes

Excludes 1 — Not coded here

specified adverse effects of radiation, such as:
burns (T20-T31)
leukemia (C91-C95)
radiation gastroenteritis and colitis (K52.0)
radiation pneumonitis (J70.0)
radiation related disorders of the skin and subcutaneous tissue (L55-L59)
sunburn (L55.-)

Same Category

T66.XXXARadiation sickness, unspecified, initial encounter T66.XXXDRadiation sickness, unspecified, subsequent encounter T66.XXXSRadiation sickness, unspecified, sequela