X31⚠ Requires 7th Character
Exposure to excessive natural cold
⚠ 7th Character Required
The appropriate 7th character is to be added to code X31
This code is not valid for billing without a 7th character. Append one of the following to X31:
Inclusion Terms
Also Indexed As(ICD-10-CM Alphabetic Index)
These clinical terms, synonyms, and manifestations all map to X31 in the official ICD-10-CM Alphabetic Index.
Exposure (to), cold (accidental) (excessive) (extreme) (natural) (place)Exposure (to), cold (accidental) (excessive) (extreme) (natural) (place), due to, weather (conditions)Forces of nature, cold (natural)FrostbiteImmersion (accidental), hand or foot due to cold (excessive)Overexposure (accidental) (to), cold
✗ Excludes 1(Not coded here)
- •cold of man-made origin (W93.-)
- •contact with or inhalation of dry ice (W93.-)
- •contact with or inhalation of liquefied gas (W93.-)
Code Hierarchy
┌20External causes of morbidity (V00-Y99)├X30-X39Exposure to forces of nature (X30-X39)├X31Exposure to excessive natural cold
└X31Exposure to excessive natural cold
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