X31 Exposure to excessive natural cold

Non-billable ICD-10-CM code.

Applicable to

• 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 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

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Applies from X31 Exposure to excessive natural cold

Applicable to

• 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 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

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Code annotations containing back-references to X31

Back-references to X31

• Use Additional: T68 Hypothermia ("Exposure to excessive cold of natural origin (X31)")
• Use Additional: T69 Other effects of reduced temperature ("Exposure to excessive cold of natural origin (X31)")

Back-references to X31

• Use Additional: T68 Hypothermia ("Exposure to excessive cold of natural origin (X31)")
• Use Additional: T69 Other effects of reduced temperature ("Exposure to excessive cold of natural origin (X31)")

Diagnosis Index entries for X31

• 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)
• Frostbite
• Immersion (accidental) › hand or foot due to cold (excessive)
• Overexposure (accidental) (to) › cold

Nearby codes

• X31 Exposure to excessive natural cold (this code)
• 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