ICD-10-CM › V00-Y99 › X30-X39 › X30 Exposure to excessive natural heat › X30.XXXS

X30.XXXS

Exposure to excessive natural heat, sequela

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 heat, sequela

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 X30 Exposure to excessive natural heat

Seventh character required

  • The appropriate 7th character is to be added to code X30

Excludes1 - never coded here

  • excessive heat of man-made origin (W92)
  • exposure to man-made radiation (W89)
  • exposure to sunlight (X32)
  • exposure to tanning bed (W89)

Also known as

  • Exposure to excessive heat as the cause of sunstroke
  • Exposure to heat NOS

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
X30.XXXA Exposure to excessive natural heat, initial encounter Valid
X30.XXXD Exposure to excessive natural heat, subsequent encounter Valid