DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

W36 Explosion and rupture of gas cylinder

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

W36 is not billable. The category heads 15 billable codes in FY2027, grouped under 5 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.

Billable codes
15
Subdivisions
5
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
0

Codes in W36

  1. W36.1
    Explosion and rupture of aerosol can +7th: A D S
    Needs 7th characterExempt
  2. W36.2
    Explosion and rupture of air tank +7th: A D S
    Needs 7th characterExempt
  3. W36.3
    Explosion and rupture of pressurized-gas tank +7th: A D S
    Needs 7th characterExempt
  4. W36.8
    Explosion and rupture of other gas cylinder +7th: A D S
    Needs 7th characterExempt
  5. W36.9
    Explosion and rupture of unspecified gas cylinder +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 W36 defined here

The appropriate 7th character is to be added to each code from category W36

7th characters for W36
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