Alphabetic Index · main term

Irradiation effects, adverse

FY2027Index: I /Alphabetic Index

Irradiation effects, adverse is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). The Index lists T66 for this term: Radiation sickness, unspecified. It is a non-billable header, so a more specific code is needed. Confirm any code you find here in the Tabular List before you report it.

Code the Index gives

T667th character requiredUse additional codeCode alsoExcludes1Excludes2

Radiation sickness, unspecified

7th-character codes under T66 3

T66.XXXARadiation sickness, unspecified, initial encounterBillable
T66.XXXDRadiation sickness, unspecified, subsequent encounterBillable
T66.XXXSRadiation sickness, unspecified, sequelaBillable

Open T66

Other Index terms that lead to T66

Different words, same code. 6 entries

Effect, adverse, infrared (radiation) (rays) NOS
Effect, adverse, radiation (diagnostic) (infrared) (natural source) (therapeutic) (ultraviolet) (X-ray) NOS
Effect, adverse, ultraviolet (radiation) (rays) NOS
Radiation, effects NOS
Radiation, sickness NOS
Sickness, radiation