991.3 FROSTBITE NEC/NOS

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Code Information

Diagnosis Code: 991.3

Short Description: Frostbite NEC/NOS

Long Description: Frostbite of other and unspecified sites

Code Classification:

Injury and poisoning (800–999)
- Other and unspecified effects of external causes (990-995)
  - 991 Effects of reduced temperature
    - 991.3 Frostbite NEC/NOS

Code Version: 2015 ICD-9-CM

Synonyms

Frostbite
Frostbite alopecia
Frostbite with tissue necrosis
Frostbite with tissue necrosis involving multiple body regions
Frostbite with tissue necrosis of abdominal wall, lower back and pelvis
Frostbite with tissue necrosis of ankle and foot
Frostbite with tissue necrosis of arm
Frostbite with tissue necrosis of head
Frostbite with tissue necrosis of hip and thigh
Frostbite with tissue necrosis of knee and lower leg
Frostbite with tissue necrosis of neck
Frostbite with tissue necrosis of thorax
Superficial frostbite
Superficial frostbite involving multiple body regions
Superficial frostbite of abdominal wall, lower back and pelvis
Superficial frostbite of hip and thigh
Superficial frostbite of knee and lower leg
Superficial frostbite of neck
Superficial frostbite of thorax
Superficial frostbite of upper limb

References to Index of Diseases and Injuries

The code 991.3 has the following ICD-9-CM references to the Index of Diseases and Injuries

Frostbite 991.3
- face 991.0
- foot 991.2
- hand 991.1
- specified site NEC 991.3

Crosswalk Information

The code 991.3 converts into the following ICD-10 code(s):

ICD-9 Code	ICD-10 Code	ICD-10 Description
991.3	T33.90XA	Superficial frostbite of unspecified sites, init encntr
	T33.99XA	Superficial frostbite of other sites, initial encounter
	T34.90XA	Frostbite with tissue necrosis of unsp sites, init encntr
	T34.99XA	Frostbite with tissue necrosis of other sites, init encntr

This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code	ICD-9 Description
991.0	Frostbite of face
991.1	Frostbite of hand
991.2	Frostbite of foot
991.4	Immersion foot
991.5	Chilblains
991.6	Hypothermia
991.8	Other specified effects of reduced temperature
991.9	Unspecified effect of reduced temperature

This page was last updated on: 10/1/2014

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