X39.01 Exposure to radon

Non-billable ICD-10-CM code.

Applies from X39 Exposure to other forces of nature

7th character note

• The appropriate 7th character is to be added to each code from category X39

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Applies from X39.0 Exposure to natural radiation

Excludes1 (never code together)

• contact with and (suspected) exposure to radon and other naturally occurring radiation (Z77.123)
• exposure to man-made radiation (W88-W90)
• exposure to sunlight (X32)

Code annotations containing back-references to X39.01

Back-references to X39.0

• Use Additional: G62.82 Radiation-induced polyneuropathy ("external cause code (W88-W90, X39.0-) to identify cause")
• Use Additional: J70.0 Acute pulmonary manifestations due to radiation ("code (W88-W90, X39.0-) to identify the external cause")
• Use Additional: J70.1 Chronic and other pulmonary manifestations due to radiation ("code (W88-W90, X39.0-) to identify the external cause")
• Use Additional: K12.33 Oral mucositis (ulcerative) due to radiation ("external cause code (W88-W90, X39.0-) to identify cause")
• Use Additional: M27.2 Inflammatory conditions of jaws ("code (W88-W90, X39.0) to identify radiation, if radiation-induced")
• Type 2 Excludes: Z77.123 Contact with and (suspected) exposure to radon and other naturally occurring radiation ("radiation exposure as the cause of a confirmed condition (W88-W90, X39.0-)")

Back-references to X39

• Code First: W20 Struck by thrown, projected or falling object ("cataclysm (X34-X39)")

Diagnosis Index entries for X39.01

• Forces of nature › radiation (natural) › radon
• Forces of nature › radon
• Radiation (exposure to) › natural NEC › radon

Nearby codes

• X39 Exposure to other forces of nature
• X39.0 Exposure to natural radiation
• X39.01 Exposure to radon (this code)
• X39.01XA Exposure to radon, initial encounter
• X39.01XD Exposure to radon, subsequent encounter
• X39.01XS Exposure to radon, sequela
• X39.08 Exposure to other natural radiation
• X39.08XA Exposure to other natural radiation, initial encounter