Is ICD-10-CM code W39 billable?

Yes, W39 (Discharge of firework) is a billable ICD-10-CM diagnosis code, valid for reimbursement on HIPAA-covered transactions for FY2026.

What chapter does ICD-10-CM code W39 belong to?

W39 belongs to Chapter 20 of the ICD-10-CM tabular list: V00–Y99 (External Causes of Morbidity).

W39

Billable

ChapterV00–Y99

Rankcategory

Description

Discharge of firework

About ICD-10-CM code W39

The ICD-10-CM tabular list places Discharge of firework at code W39, inside V00-Y99 External Causes of Morbidity, within Exposure to inanimate mechanical forces (W20-W49). You can submit this code on claims since it carries full billing specificity.

Metadata & Insights

•Billable/specific code (valid for reimbursement).
•Chapter 20: External Causes of Morbidity (V00-Y99).

W20-W49 Parent Instructions

Excludes1(Not coded here. Use a different code.)

assault (X92-Y09)
contact or collision with animals or persons (W50-W64)
exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)
intentional self-harm (X71-X83)

Clinical Hierarchy

BillableHas subcodes

CH20External causes of morbidity (V00-Y99)

W20-W49Exposure to inanimate mechanical forces (W20-W49)

W39Discharge of fireworkBillable

W39.XXXADischarge of firework, initial encounterBillable

W39.XXXDDischarge of firework, subsequent encounterBillable

W39.XXXSDischarge of firework, sequelaBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to W39:

blockW20-W49

Exposure to inanimate mechanical forces (W20-W49)

View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Discharge of firework.

Search PCS Codes