X31Exposure to excessive natural cold
ICD-10-CM category (non-billable header) code — part of Exposure to forces of nature (X30-X39)
Coding Notes
Inclusion Terms
- Excessive cold as the cause of chilblains NOS
- Excessive cold as the cause of immersion foot or hand
- Exposure to cold NOS
- Exposure to weather conditions
Excludes1 (never code both together)
- cold of man-made origin (W93.-)
- contact with or inhalation of dry ice (W93.-)
- contact with or inhalation of liquefied gas (W93.-)
7th Character Note
- The appropriate 7th character is to be added to code X31
Subcategories (3)
- X31.XXXA Exposure to excessive natural cold, initial encounter
- X31.XXXD Exposure to excessive natural cold, subsequent encounter
- X31.XXXS Exposure to excessive natural cold, sequela