X31⚠ Requires 7th Character

Exposure to excessive natural cold

7th Character Required

The appropriate 7th character is to be added to code X31

This code is not valid for billing without a 7th character. Append one of the following to X31:

Excludes 1(Not coded here)

  • cold of man-made origin (W93.-)
  • contact with or inhalation of dry ice (W93.-)
  • contact with or inhalation of liquefied gas (W93.-)

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