ICD-10-CM › V00-Y99 › X30-X39 › X31 Exposure to excessive natural cold › X31.XXXA

X31.XXXA

Exposure to excessive natural cold, initial encounter

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2007 Added to the draft code set draft Exposure to excessive natural cold, initial encounter

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from X31 Exposure to excessive natural cold

Seventh character required

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

Excludes1 - never coded here

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

Also known as

  • Excessive cold as the cause of chilblains NOS
  • Excessive cold as the cause of immersion foot or hand
  • Exposure to cold NOS
  • Exposure to weather conditions

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
X31.XXXD Exposure to excessive natural cold, subsequent encounter Valid
X31.XXXS Exposure to excessive natural cold, sequela Valid