2021 ICD-10-CM Code T34.7

Frostbite with tissue necrosis of knee and lower leg

Version 2021
Non-Billable Code

Not Valid for Submission

T34.7 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of frostbite with tissue necrosis of knee and lower leg. The code is NOT valid for the year 2021 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

ICD-10:T34.7
Short Description:Frostbite with tissue necrosis of knee and lower leg
Long Description:Frostbite with tissue necrosis of knee and lower leg

Code Classification

Specific Coding for Frostbite with tissue necrosis of knee and lower leg

Header codes like T34.7 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for frostbite with tissue necrosis of knee and lower leg:

  • T34.70 - Frostbite with tissue necrosis of unspecified knee and lower leg
  • T34.70XA - Frostbite with tissue necrosis of unspecified knee and lower leg, initial encounter
  • T34.70XD - Frostbite with tissue necrosis of unspecified knee and lower leg, subsequent encounter
  • T34.70XS - Frostbite with tissue necrosis of unspecified knee and lower leg, sequela
  • T34.71 - Frostbite with tissue necrosis of right knee and lower leg
  • T34.71XA - Frostbite with tissue necrosis of right knee and lower leg, initial encounter
  • T34.71XD - Frostbite with tissue necrosis of right knee and lower leg, subsequent encounter
  • T34.71XS - Frostbite with tissue necrosis of right knee and lower leg, sequela
  • T34.72 - Frostbite with tissue necrosis of left knee and lower leg
  • T34.72XA - Frostbite with tissue necrosis of left knee and lower leg, initial encounter
  • T34.72XD - Frostbite with tissue necrosis of left knee and lower leg, subsequent encounter
  • T34.72XS - Frostbite with tissue necrosis of left knee and lower leg, sequela

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code T34.7:


Type 2 Excludes

Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code T34.7 are found in the index:

Information for Patients


Frostbite

Frostbite is an injury to the body that is caused by freezing. It most often affects the nose, ears, cheeks, chin, fingers, or toes. Frostbite can permanently damage the body, and severe cases can lead to amputation.

If you have frostbite, the skin in that area may turn white or grayish-yellow. It may feel firm or waxy when you touch it. The area will also feel numb.

If you have symptoms of frostbite, seek medical care. But if immediate medical care isn't available, here are steps to take:

Centers for Disease Control and Prevention


[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)