X01.4XXS is the authoritative medical code for Hit by object due to uncontrolled fire, not in building or structure, sequela. This classification is used in medical billing and clinical recording to specify the clinical criteria for hit by object due to uncontrolled fire, not in building or structure, sequela (ICD-10-CM X01.4XXS), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Hit by object due to uncontrolled fire, not in building or structure, sequela is a billable ICD-10-CM diagnosis code X01.4S. 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 X01.4XXS in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
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
Does X01.4XXS 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 X01.4XXS?
Per official ICD-10-CM Excludes1 instructions, X01.4XXS must not be reported together with: arson (X97).
Can X01.4XXS be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, X01.4XXS 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 X01.4XXS 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
- X01.1 — Exposure to smoke in uncontrolled fire, not in building or structure
- 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
View all 20 codes in the X01 family