DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

X77 Intentional self-harm by steam, hot vapors and hot objects

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

X77 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. X71-X83 Intentional self-harm (X71-X83)
  3. X77 Intentional self-harm by steam, hot vapors and hot objects
Billable codes
18
Subdivisions
6
CC / MCC codes
0 / 0
HCC V28 codes
6
New FY2027
0
Index entries
0

Codes in X77

  1. X77.0
    Intentional self-harm by steam or hot vapors +7th: A D S
    Needs 7th character155 (some 7th characters)Exempt
  2. X77.1
    Intentional self-harm by hot tap water +7th: A D S
    Needs 7th character155 (some 7th characters)Exempt
  3. X77.2
    Intentional self-harm by other hot fluids +7th: A D S
    Needs 7th character155 (some 7th characters)Exempt
  4. X77.3
    Intentional self-harm by hot household appliances +7th: A D S
    Needs 7th character155 (some 7th characters)Exempt
  5. X77.8
    Intentional self-harm by other hot objects +7th: A D S
    Needs 7th character155 (some 7th characters)Exempt
  6. X77.9
    Intentional self-harm by unspecified hot objects +7th: A D S
    Needs 7th character155 (some 7th characters)Exempt

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 X71-X83 instructions (Inclusion terms 2): printed on the block page.

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

7th characters

7th characters for X77 defined here

The appropriate 7th character is to be added to each code from category X77

7th characters for X77
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