ICD-10/X01.1

X01.1 ICD-10-CM Code: Exposure to smoke in uncontrolled fire, not in building or structure

X01.1 is the authoritative medical code for Exposure to smoke in uncontrolled fire, not in building or structure. This classification is used in medical billing and clinical recording to specify the clinical criteria for exposure to smoke in uncontrolled fire, not in building or structure (ICD-10-CM X01.1), ensuring healthcare documentation aligns with current 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

Exposure to smoke in uncontrolled fire, not in building or structure is a non-billable ICD-10-CM category code X01.1. A more specific billable subcode must be selected for claims submission. Includes: exposure to forest fire. Excludes1 (not coded here): arson X97. Excludes2 (not included here): explosions W35-W40; lightning T75.0-; transport accident V01-V99. 7th character: The appropriate 7th character is to be added to each code from category X01.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for X01.1 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • exposure to forest fire

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • arson X97

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • explosions W35-W40
  • lightning T75.0-
  • transport accident V01-V99

Frequently Asked Questions (FAQ) & Clinical Guidance

Can X01.1 be billed directly?

No. X01.1 (Exposure to smoke in uncontrolled fire, not in building or structure) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does X01.1 require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category X01.

What can't be coded together with X01.1?

Per official ICD-10-CM Excludes1 instructions, X01.1 must not be reported together with: arson (X97).

Can X01.1 be reported alongside related conditions?

Per official ICD-10-CM Excludes2 instructions, X01.1 and the following are not considered part of each other and may both be reported when both conditions are present: explosions (W35-W40); lightning (T75.0-); transport accident (V01-V99).

Nearest Codes in This Family

Official ICD-10-CM classifications closest to X01.1 in its code family, with their registry titles.

  • X01 — Exposure to uncontrolled fire, not in building or structure
  • X01.0 — Exposure to flames in uncontrolled fire, not in building or structure
  • X01.0XXA — Exposure to flames in uncontrolled fire, not in building or structure, initial encounter
  • X01.0XXD — Exposure to flames in uncontrolled fire, not in building or structure, subsequent encounter
  • X01.0XXS — Exposure to flames in uncontrolled fire, not in building or structure, sequela
  • X01.1XXA — Exposure to smoke in uncontrolled fire, not in building or structure, initial encounter
  • X01.1XXD — Exposure to smoke in uncontrolled fire, not in building or structure, subsequent encounter
  • X01.1XXS — Exposure to smoke in uncontrolled fire, not in building or structure, sequela
  • X01.3 — Fall due to uncontrolled fire, not in building or structure
  • X01.3XXA — Fall due to uncontrolled fire, not in building or structure, initial encounter

View all 20 codes in the X01 family

Indexed As (1)

Circumstance phrases from the official ICD-10-CM External Cause of Injuries Index that map to this code.

  • Exposure (to), fire, flames (accidental), uncontrolled, not in building or structure (any), with, smoke inhalation