W93.11 is the authoritative medical code for Contact with liquid air. This classification is used in medical billing and clinical recording to specify the clinical criteria for contact with liquid air (ICD-10-CM W93.11), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Contact with liquid air is a non-billable ICD-10-CM category code W93.11. A more specific billable subcode must be selected for claims submission. Inclusion terms: Contact with liquid hydrogen; Contact with liquid nitrogen. Excludes1 (not coded here): exposure to:; failure in dosage of radiation or temperature during surgical and medical care Y63.2-Y63.5; lightning T75.0-; natural cold X31; natural heat X30; natural radiation NOS X39; radiological procedure and radiotherapy Y84.2; sunlight X32. 7th character: The appropriate 7th character is to be added to each code from category W93.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for W93.11 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Contact with liquid hydrogen
- Contact with liquid nitrogen
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- exposure to:
- failure in dosage of radiation or temperature during surgical and medical care Y63.2-Y63.5
- lightning T75.0-
- natural cold X31
- natural heat X30
- natural radiation NOS X39
- radiological procedure and radiotherapy Y84.2
- sunlight X32
Frequently Asked Questions (FAQ) & Clinical Guidance
Can W93.11 be billed directly?
No. W93.11 (Contact with liquid air) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does W93.11 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category W93.
What can't be coded together with W93.11?
Per official ICD-10-CM Excludes1 instructions, W93.11 must not be reported together with: exposure to:; failure in dosage of radiation or temperature during surgical and medical care (Y63.2-Y63.5); lightning (T75.0-); natural cold (X31).
What conditions are included under W93.11?
Contact with liquid air includes: Contact with liquid hydrogen; Contact with liquid nitrogen.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to W93.11 in its code family, with their registry titles.
- W93 — Exposure to excessive cold of man-made origin
- W93.0 — Contact with or inhalation of dry ice
- W93.01 — Contact with dry ice
- 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
- W93.02XA — Inhalation of dry ice, initial encounter
- W93.02XD — Inhalation of dry ice, subsequent encounter
- W93.02XS — Inhalation of dry ice, sequela
View all 26 codes in the W93 family
Indexed As (1)
Circumstance phrases from the official ICD-10-CM External Cause of Injuries Index that map to this code.
- Exposure (to), cold (accidental) (excessive) (extreme) (natural) (place), due to, man-made conditions, liquid air (contact) (hydrogen) (nitrogen)