All ICD10 Codes

X31

Billable
ChapterV00–Y99
Rankcategory
Official Description

Exposure to excessive natural cold

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 20: External Causes of Morbidity (V00-Y99).

Instructional Notes

Includes
  • 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(Not coded here. Use a different code.)
  • cold of man-made origin (W93.-)
  • contact with or inhalation of dry ice (W93.-)
  • contact with or inhalation of liquefied gas (W93.-)

Clinical Hierarchy

BillableHas subcodes
CH20External causes of morbidity (V00-Y99)
X30-X39Exposure to forces of nature (X30-X39)
X31Exposure to excessive natural coldBillable
X31.XXXAExposure to excessive natural cold, initial encounterBillable
X31.XXXDExposure to excessive natural cold, subsequent encounterBillable
X31.XXXSExposure to excessive natural cold, sequelaBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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