DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 19

T33-T34 Frostbite (T33-T34)

Block T33-T34 groups 2 categories with 222 billable codes in FY2027.

Where it sits

  1. Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. T33-T34 Frostbite (T33-T34)

Neighbouring blocks

Categories
2
Billable codes
222
CC codes
74
MCC codes
0
HCC V28 codes
0
New FY2027
0

Categories in T33-T34

  • T33

    Superficial frostbite

    Frostbite (superficial) → T33.90

    • 111 billable codes
    • 37 CC
  • T34

    Frostbite with tissue necrosis

    Frostbite (superficial)withtissue necrosis → T34.90

    • 111 billable codes
    • 37 CC

Index main terms

  • Frostbite (superficial) → T33, T34 (46 entries)

Block instructions

Excludes2

  • hypothermia and other effects of reduced temperature (T68, T69.-) T68 T69

Notes that also apply

Chapter 19 instructions (Notes 2, Excludes2 2, Use additional code 1): printed on the chapter 19 page.