W90.8⚠ Requires 7th Character

Exposure to other nonionizing radiation

⚠ 7th Character Required

The appropriate 7th character is to be added to each code from category W90

This code is not valid for billing without a 7th character. Append one of the following to W90.8:

Ainitial encounterW90.8XXADsubsequent encounterW90.8XXDSsequelaW90.8XXS

Sub-codes of W90.8(3)

W90.8 is a non-billable header. Select a sub-code to bill.

W90.8AExposure to other nonionizing radiation, initial encounter✓ BillableW90.8DExposure to other nonionizing radiation, subsequent encounte…✓ BillableW90.8SExposure to other nonionizing radiation, sequela✓ Billable

Also Indexed As(ICD-10-CM Alphabetic Index)

These clinical terms, synonyms, and manifestations all map to W90.8 in the official ICD-10-CM Alphabetic Index.

Radiation (exposure to), microwave

Code Hierarchy

┌20External causes of morbidity (V00-Y99)├W85-W99Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99)├W90Exposure to other nonionizing radiation
└W90.8Exposure to other nonionizing radiation

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