ICD-10-CM › S00-T88 › T66-T78 › T68 Hypothermia › T68.XXXS

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

Valid FY2016 onwards.

What has happened to this code

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 T68 Hypothermia

Seventh character required

• The appropriate 7th character is to be added to code T68

Excludes1 - never coded here

• hypothermia following anesthesia (T88.51)
• hypothermia not associated with low environmental temperature (R68.0)
• hypothermia of newborn (P80.-)

Excludes2 - not included here

• frostbite (T33-T34)

Use additional code

• code to identify source of exposure:
• Exposure to excessive cold of man-made origin (W93)
• Exposure to excessive cold of natural origin (X31)

Also known as

• Accidental hypothermia
• Hypothermia NOS

Inherited from the T66-T78 section Other and unspecified effects of external causes (T66-T78)

Code also

• , if applicable, place of occurrence, such as:
• highway rest stop (Y92.523)
• school (private) (public) (state) as the place of occurrence of the external cause (Y92.21-)
• service areas as the place of occurrence of the external cause (Y92.52-)
• single-family non-institutional (private) house as the place of occurrence of the external cause (Y92.01-)
• transport vehicle as the place of occurrence of the external cause (Y92.81-)

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.

• Hypothermia
• Subnormal, subnormality > temperature
• Hypothermia > low environmental temperature

Codes in the same group

Code	Description	Status
T68.XXXA	Hypothermia, initial encounter	Valid
T68.XXXD	Hypothermia, subsequent encounter	Valid