2026 ICD-10-CM Diagnosis Code W39Discharge of firework
ICD-10-CM W39
W39 is a non-billable ICD-10-CM category code for discharge of firework, so it cannot be submitted on claims. Use a more specific code from this category instead, such as W39.XXXA, W39.XXXD, and W39.XXXS.
Code Identity
ICD-10-CM Code
W39
Billable Status
No — Non-Billable Category
Code Describes
Discharge of firework
Chapter
W20-W49
Exposure to inanimate mechanical forces
Code Classification
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
7th Character Note
- The appropriate 7th character is to be added to code W39
7th Character
- A - initial encounter
- D - subsequent encounter
- S - sequela
7th Character Note
Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.
7th Character
Indicates that a seventh character is to be assigned to codes in a subcategory.
Code HistoryHistory
FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.
