DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

W73 Other specified cause of accidental non-transport drowning and submersion

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

W73 is not billable. The category heads 3 billable codes in FY2027. 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. W65-W74 Accidental non-transport drowning and submersion (W65-W74)
  3. W73 Other specified cause of accidental non-transport drowning and submersion
Billable codes
3
Subdivisions
0
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
0

Codes in W73

  1. W73.XXXA
    Other specified cause of accidental non-transport drowning and submersion, initial encounter
    BillableExempt
  2. W73.XXXD
    Other specified cause of accidental non-transport drowning and submersion, subsequent encounter
    BillableExempt
  3. W73.XXXS
    Other specified cause of accidental non-transport drowning and submersion, sequela
    BillableExempt

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

At W73

Inclusion terms

  • Accidental drowning and submersion while in quenching tank
  • Accidental drowning and submersion while in reservoir

Excludes1

  • accidental drowning and submersion due to fall into other water (W16.311, W16.321, W16.331) W16.311 W16.321 W16.331

Notes that also apply

Block W65-W74 instructions (Excludes1 2, Excludes2 1): printed on the block page.

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

7th characters

7th characters for W73 defined here

The appropriate 7th character is to be added to code W73

7th characters for W73
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