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W90 Exposure to other nonionizing radiation

ICD-10-CM category W90 sits in Chapter 20 (External causes of morbidity, V00-Y99). It contains 12 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

W90.0 Exposure to radiofrequencyW90.1 Exposure to infrared radiationW90.2 Exposure to laser radiationW90.8 Exposure to other nonionizing radiation

Billable codes in W90

CodeDescription
W90.0XXAExposure to radiofrequency, initial encounter
W90.0XXDExposure to radiofrequency, subsequent encounter
W90.0XXSExposure to radiofrequency, sequela
W90.1XXAExposure to infrared radiation, initial encounter
W90.1XXDExposure to infrared radiation, subsequent encounter
W90.1XXSExposure to infrared radiation, sequela
W90.2XXAExposure to laser radiation, initial encounter
W90.2XXDExposure to laser radiation, subsequent encounter
W90.2XXSExposure to laser radiation, sequela
W90.8XXAExposure to other nonionizing radiation, initial encounter
W90.8XXDExposure to other nonionizing radiation, subsequent encounter
W90.8XXSExposure to other nonionizing radiation, sequela

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