W34

Non-billable

Acc disch and malfunct from oth and unsp firearms and guns

Accidental discharge and malfunction from other and unspecified firearms and guns

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

W20-W49

Child Codes

2

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • 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)

7th Character Definitions

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Child Codes (2)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code W34?

ICD-10-CM code W34 represents "Accidental discharge and malfunction from other and unspecified firearms and guns". It is a non-billable header code — use a more specific child code for billing purposes.

Is W34 a billable code?

No, W34 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under W34.

What chapter is W34 in?

W34 is in Chapter 21: External Causes of Morbidity (codes V00-Y99).

What codes cannot be used with W34?

W34 has Excludes1 notes indicating codes that cannot be used together with it, including: assault (X92-Y09); contact or collision with animals or persons (W50-W64); exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-); and 1 more.

What are the subcategories under W34?

W34 has 2 child codes, including: W34.0 (Accidental discharge from other and unsp firearms and guns), W34.1 (Accidental malfunction from other and unsp firearms and guns).

What are the UMLS CUIs for W34?

W34 is linked to 1 UMLS Concept Unique Identifier: C2904460. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.