DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

Y24 Other and unspecified firearm discharge, undetermined intent

  • Header · not billable
  • Codes take a 7th character

Y24 is not billable. The category heads 9 billable codes in FY2027, grouped under 3 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.

Where it sits

  1. Chapter 20 External causes of morbidity (V00-Y99)
  2. Y21-Y33 Event of undetermined intent (Y21-Y33)
  3. Y24 Other and unspecified firearm discharge, undetermined intent
Billable codes
9
Subdivisions
3
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
0

Codes in Y24

  1. Y24.0
    Airgun discharge, undetermined intent +7th: A D S
    Needs 7th characterExempt
    Inclusion terms 2

    Inclusion terms

    • BB gun discharge, undetermined intent
    • Pellet gun discharge, undetermined intent
  2. Y24.8
    Other firearm discharge, undetermined intent +7th: A D S
    Needs 7th characterExempt
    Inclusion terms 2

    Inclusion terms

    • Paintball gun discharge, undetermined intent
    • Very pistol [flare] discharge, undetermined intent
  3. Y24.9
    Unspecified firearm discharge, undetermined intent +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters

Sources of each column. Rows marked +7th need a 7th character: pick one to build the full code; its code card has its own flags.

Instructions

Notes that also apply

Block Y21-Y33 instructions (Inclusion terms 1): printed on the block page.

Chapter 20 instructions (Notes 1): printed on the chapter 20 page.

7th characters

7th characters for Y24 defined here

The appropriate 7th character is to be added to each code from category Y24

7th characters for Y24
7thMeaning (NCHS)
Ainitial encounter
Dsubsequent encounter
Ssequela

A code that takes a 7th character is invalid without it; the placeholder X fills a code shorter than 6 characters (Official Guidelines I.A.5). How 7th characters work.

Hierarchy