DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 20

X30-X39 Exposure to forces of nature (X30-X39)

Block X30-X39 groups 9 categories with 60 billable codes in FY2027.

Where it sits

  1. Chapter 20 External causes of morbidity (V00-Y99)
  2. X30-X39 Exposure to forces of nature (X30-X39)

Neighbouring blocks

Categories
9
Billable codes
60
CC codes
0
MCC codes
0
HCC V28 codes
0
New FY2027
0

Categories in X30-X39

  • X30

    Exposure to excessive natural heat

    –

    • 3 billable codes
  • X31

    Exposure to excessive natural cold

    –

    • 3 billable codes
  • X32

    Exposure to sunlight

    –

    • 3 billable codes
  • X34

    Earthquake

    –

    • 3 billable codes
  • X35

    Volcanic eruption

    –

    • 3 billable codes
  • X36

    Avalanche, landslide and other earth movements

    –

    • 6 billable codes
  • X37

    Cataclysmic storm

    –

    • 27 billable codes
  • X38

    Flood

    –

    • 3 billable codes
  • X39

    Exposure to other forces of nature

    –

    • 9 billable codes

Block instructions

Notes that also apply

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