ICD-10-CM Diagnosis Code (2025)
Official Description for X31
Exposure to excessive natural cold
Coding Notes & Guidelines for X31
Excludes1: 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.-)
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
7th Character Guidance
The appropriate 7th character is to be added to code X31
7th Character Definitions
- A: initial encounter
- D: subsequent encounter
- S: sequela
About ICD-10-CM Code X31 (Exposure to excessive natural cold)
ICD-10-CM code X31 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM X31 became effective on October 1, 2024.
This page provides detailed information about X31 - Exposure to excessive natural cold. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Exposure to excessive natural cold.