DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

Y27 Contact with steam, hot vapors and hot objects, undetermined intent

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

Y27 is not billable. The category heads 18 billable codes in FY2027, grouped under 6 subdivisions. 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. Y21-Y33 Event of undetermined intent (Y21-Y33)
  3. Y27 Contact with steam, hot vapors and hot objects, undetermined intent
Billable codes
18
Subdivisions
6
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
0

Codes in Y27

  1. Y27.0
    Contact with steam and hot vapors, undetermined intent +7th: A D S
    Needs 7th character
  2. Y27.1
    Contact with hot tap water, undetermined intent +7th: A D S
    Needs 7th character
  3. Y27.2
    Contact with hot fluids, undetermined intent +7th: A D S
    Needs 7th character
  4. Y27.3
    Contact with hot household appliance, undetermined intent +7th: A D S
    Needs 7th character
  5. Y27.8
    Contact with other hot objects, undetermined intent +7th: A D S
    Needs 7th character
  6. Y27.9
    Contact with unspecified hot objects, undetermined intent +7th: A D S
    Needs 7th character

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 Y21-Y33 instructions (Inclusion terms 1): printed on the block page.

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

7th characters

7th characters for Y27 defined here

The appropriate 7th character is to be added to each code from category Y27

7th characters for Y27
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