Is ICD-10-CM code X58 billable?

Yes, X58 (Exposure to other specified factors) is a billable ICD-10-CM diagnosis code, valid for reimbursement on HIPAA-covered transactions for FY2026.

What chapter does ICD-10-CM code X58 belong to?

X58 belongs to Chapter 20 of the ICD-10-CM tabular list: V00–Y99 (External Causes of Morbidity).

X58Billable

Exposure to other specified factors

External Causes of Morbidity·Accidental exposure to other specified factors (X52-X58)·category·FY 2026

Instructional Notes

Includes

Accident NOS
Exposure NOS

Clinical Hierarchy

BillableHas subcodes

CH20External causes of morbidity (V00-Y99)

X52-X58Accidental exposure to other specified factors (X52-X58)

X58Exposure to other specified factorsBillable

X58.XXXAExposure to other specified factors, initial encounterBillable

X58.XXXDExposure to other specified factors, subsequent encounterBillable

X58.XXXSExposure to other specified factors, sequelaBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.