DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

X05 Exposure to ignition or melting of nightwear

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

X05 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 X05

  1. X05.XXXA
    Exposure to ignition or melting of nightwear, initial encounter
    Billable
  2. X05.XXXD
    Exposure to ignition or melting of nightwear, subsequent encounter
    Billable
  3. X05.XXXS
    Exposure to ignition or melting of nightwear, sequela
    Billable

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 X05

Excludes2

  • exposure to uncontrolled fire in building or structure (X00.-) X00
  • exposure to uncontrolled fire, not in building or structure (X01.-) X01
  • exposure to controlled fire in building or structure (X02.-) X02
  • exposure to controlled fire, not in building or structure (X03.-) X03
  • exposure to ignition of highly flammable materials (X04.-) X04

Notes that also apply

Block X00-X08 instructions (Excludes1 1, Excludes2 3): printed on the block page.

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

7th characters

7th characters for X05 defined here

The appropriate 7th character is to be added to code X05

7th characters for X05
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