DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

W37 Explosion and rupture of pressurized tire, pipe or hose

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

W37 is not billable. The category heads 6 billable codes in FY2027, grouped under 2 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.

Billable codes
6
Subdivisions
2
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
0

Codes in W37

  1. W37.0
    Explosion of bicycle tire +7th: A D S
    Needs 7th characterExempt
  2. W37.8
    Explosion and rupture of other pressurized tire, pipe or hose +7th: A D S
    Needs 7th characterExempt

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 W20-W49 instructions (Excludes1 4): printed on the block page.

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

7th characters

7th characters for W37 defined here

The appropriate 7th character is to be added to each code from category W37

7th characters for W37
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