Exposure to other forces of nature (X39)

• ICD-10 Index

  • External causes of morbidity and mortality (V01–Y98)

    • Exposure to forces of nature (X30-X39)

      • Exposure to other forces of nature (X39)

        • X39 - Exposure to other forces of nature NON-BILLABLE CODE
        • X39.0 - Exposure to natural radiation NON-BILLABLE CODE
        • X39.01 - Exposure to radon NON-BILLABLE CODE
        • X39.01XA - Exposure to radon, initial encounter BILLABLE CODE
        • X39.01XD - Exposure to radon, subsequent encounter BILLABLE CODE
        • X39.01XS - Exposure to radon, sequela BILLABLE CODE
        • X39.08 - Exposure to other natural radiation NON-BILLABLE CODE
        • X39.08XA - Exposure to other natural radiation, initial encounter BILLABLE CODE
        • X39.08XD - Exposure to other natural radiation, subsequent encounter BILLABLE CODE
        • X39.08XS - Exposure to other natural radiation, sequela BILLABLE CODE
        • X39.8 - Other exposure to forces of nature NON-BILLABLE CODE
        • X39.8XXA - Other exposure to forces of nature, initial encounter BILLABLE CODE
        • X39.8XXD - Other exposure to forces of nature, subsequent encounter BILLABLE CODE
        • X39.8XXS - Other exposure to forces of nature, sequela BILLABLE CODE

Instructional Notations

7th Character Note 7th Character Note
Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.

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

7th Character 7th Character
Indicates that a seventh character is to be assigned to codes in a subcategory.

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