ICD-10-CM › S00-T88 › T33-T34 › T codes › T33

T33

Superficial frostbite

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 10 more specific codes instead:

  • T33.0 Superficial frostbite of head (also a header)
  • T33.1 Superficial frostbite of neck (also a header)
  • T33.2 Superficial frostbite of thorax (also a header)
  • T33.3 Superficial frostbite of abdominal wall, lower back and pelvis (also a header)
  • T33.4 Superficial frostbite of arm (also a header)
  • T33.5 Superficial frostbite of wrist, hand, and fingers (also a header)
  • T33.6 Superficial frostbite of hip and thigh (also a header)
  • T33.7 Superficial frostbite of knee and lower leg (also a header)
  • T33.8 Superficial frostbite of ankle, foot, and toe(s) (also a header)
  • T33.9 Superficial frostbite of other and unspecified sites (also a header)

This code requires a seventh character. See the rule below.

What has happened to this code

Every change the publisher made, from 2012 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. FY2012 Added to the draft code set draft Superficial frostbite

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.

This code

Seventh character required

  • The appropriate 7th character is to be added to each code from category T33

Includes

  • frostbite with partial thickness skin loss

Inherited from the T33-T34 section Frostbite (T33-T34)

Excludes2 - not included here

  • hypothermia and other effects of reduced temperature (T68, T69.-)