W93: Exposure to excessive cold of man-made origin

Codes under W93 (Exposure to excessive cold of man-made origin). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
W93.0	Contact with or inhalation of dry ice	—
W93.01	Contact with dry ice	—
W93.1	Contact with or inhalation of liquid air	—
W93.01XA	Contact with dry ice, initial encounter	✓
W93.01XD	Contact with dry ice, subsequent encounter	✓
W93.01XS	Contact with dry ice, sequela	✓
W93.02	Inhalation of dry ice	—
W93.2	Prolonged exposure in deep freeze unit or refrigerator	—
W93.02XA	Inhalation of dry ice, initial encounter	✓
W93.02XD	Inhalation of dry ice, subsequent encounter	✓
W93.02XS	Inhalation of dry ice, sequela	✓
W93.2XXA	Prolonged exposure in deep freeze unit or refrigerator, initial encounter	✓
W93.2XXD	Prolonged exposure in deep freeze unit or refrigerator, subsequent encounter	✓
W93.2XXS	Prolonged exposure in deep freeze unit or refrigerator, sequela	✓
W93.8	Exposure to other excessive cold of man-made origin	—
W93.8XXA	Exposure to other excessive cold of man-made origin, initial encounter	✓
W93.8XXD	Exposure to other excessive cold of man-made origin, subsequent encounter	✓
W93.8XXS	Exposure to other excessive cold of man-made origin, sequela	✓
W93.11	Contact with liquid air	—
W93.11XA	Contact with liquid air, initial encounter	✓
W93.11XD	Contact with liquid air, subsequent encounter	✓
W93.11XS	Contact with liquid air, sequela	✓
W93.12	Inhalation of liquid air	—
W93.12XA	Inhalation of liquid air, initial encounter	✓
W93.12XD	Inhalation of liquid air, subsequent encounter	✓
W93.12XS	Inhalation of liquid air, sequela	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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