DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

W64 Exposure to other animate mechanical forces

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

W64 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.

Billable codes
3
Subdivisions
0
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
0

Codes in W64

  1. W64.XXXA
    Exposure to other animate mechanical forces, initial encounter
    BillableExempt
  2. W64.XXXD
    Exposure to other animate mechanical forces, subsequent encounter
    BillableExempt
  3. W64.XXXS
    Exposure to other animate mechanical forces, 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 W64

Includes

  • exposure to nonvenomous animal NOS

Excludes1

  • contact with venomous animal (T63.-) T63

Notes that also apply

Block W50-W64 instructions (Excludes1 1): printed on the block page.

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

7th characters

7th characters for W64 defined here

The appropriate 7th character is to be added to code W64

7th characters for W64
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