X58: Exposure to other specified factors
Codes under X58 (Exposure to other specified factors). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| X58.XXXA | Exposure to other specified factors, initial encounter | ✓ |
| X58.XXXA | Exposure to other specified factors, initial encounter | ✓ |
| X58.XXXD | Exposure to other specified factors, subsequent encounter | ✓ |
| X58.XXXD | Exposure to other specified factors, subsequent encounter | ✓ |
| X58.XXXS | Exposure to other specified factors, sequela | ✓ |
| X58.XXXS | Exposure to other specified factors, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code X58?
X58 is an ICD-10-CM category covering Exposure to other specified factors. It contains 6 more specific diagnosis codes, 6 of which are billable.
Is X58 a billable code?
No — X58 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example X58.XXXA — Exposure to other specified factors, initial encounter). 6 of the 6 codes under X58 are billable.
What codes fall under X58?
X58 includes X58.XXXA, X58.XXXA, X58.XXXD, X58.XXXD, X58.XXXS, plus 1 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free