X30-X39 — Exposure to forces of nature
ICD-10-CM codes X30-X39 cover exposure to forces of nature, within external causes of morbidity. The block holds 85 codes across 9 categories, of which 60 are billable and 25 are header codes that cannot be submitted on a claim. 85 of them (100%) require a 7th character.
The 7th character in X30-X39
A code in this block is not complete without its 7th character, and a missing one is a rejected claim rather than a denied one: the clearinghouse never passes it on. 85 of the 85 codes here take one.
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela