X58Header code — not billable

Exposure to other specified factors

Chapter
20. External causes of morbidity
Category
X58
Effective date
October 1, 2026

Related codes in category X58

X58.XXXAExposure to other specified factors, initial encounterYesX58.XXXDExposure to other specified factors, subsequent encounterYesX58.XXXSExposure to other specified factors, sequelaYes

Frequently asked questions

What is ICD-10 code X58?

X58 is an ICD-10-CM diagnosis code for Exposure to other specified factors.

Is X58 a billable code?

No. X58 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is X58 in?

X58 falls under Chapter 20: External causes of morbidity.

When did X58 become effective?

X58 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to X58?

X58 belongs to category X58, which includes 3 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.