Exposure to excessive cold of man-made origin
In Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99), chapter 20: External Causes of Morbidity
18 billable codes under W93: none are a CC or MCC; none map to an HCC.
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Instructional notes
Also applies, from Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99)
These notes sit on W85-W99 and apply to every code under it, including W93.
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers how to report external cause codes (V00-Y99) describing cause, intent, place, activity, and status. They are never principal or first-listed, and reporting is voluntary unless required.
- General External Cause Coding Guidelines (page 88)
- Place of Occurrence Guideline (page 89)
- Activity Code (page 89)
- Place of Occurrence, Activity, and Status Codes Used with other External Cause Code (page 89)
- If the Reporting Format Limits the Number of External Cause Codes (page 90)
- Multiple External Cause Coding Guidelines (page 90)
- Child and Adult Abuse Guideline (page 90)
- Unknown or Undetermined Intent Guideline (page 91)
All codes under W93
W93 can't be used on a claim. Pick a billable code below; grey headings group them.
- W93.0Contact with or inhalation of dry ice
- W93.01Contact with dry ice
- W93.01XAContact with dry ice, initial encounter
- W93.01XDContact with dry ice, subsequent encounter
- W93.01XSContact with dry ice, sequela
- W93.02Inhalation of dry ice
- W93.02XAInhalation of dry ice, initial encounter
- W93.02XDInhalation of dry ice, subsequent encounter
- W93.02XSInhalation of dry ice, sequela
- W93.1Contact with or inhalation of liquid air
- W93.11Contact with liquid air
- W93.11XAContact with liquid air, initial encounter
- W93.11XDContact with liquid air, subsequent encounter
- W93.11XSContact with liquid air, sequela
- W93.12Inhalation of liquid air
- W93.12XAInhalation of liquid air, initial encounter
- W93.12XDInhalation of liquid air, subsequent encounter
- W93.12XSInhalation of liquid air, sequela
- W93.2Prolonged exposure in deep freeze unit or refrigerator
- W93.2XXAProlonged exposure in deep freeze unit or refrigerator, initial encounter
- W93.2XXDProlonged exposure in deep freeze unit or refrigerator, subsequent encounter
- W93.2XXSProlonged exposure in deep freeze unit or refrigerator, sequela
- W93.8Exposure to other excessive cold of man-made origin
- W93.8XXAExposure to other excessive cold of man-made origin, initial encounter
- W93.8XXDExposure to other excessive cold of man-made origin, subsequent encounter
- W93.8XXSExposure to other excessive cold of man-made origin, sequela
W93 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
Other codes that refer to W93
Notes on these codes point to W93.
- T68 Use Additional Code: Exposure to excessive cold of man-made origin (W93)
- T69 Use Additional Code: Exposure to excessive cold of man-made origin (W93)
- X31 Excludes1: cold of man-made origin (W93.-)
- X31 Excludes1: contact with or inhalation of dry ice (W93.-)
- X31 Excludes1: contact with or inhalation of liquefied gas (W93.-)
Code history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.