ICD-10-CM X00: Exposure to uncontrolled fire in building or structure

ICD-10-CM Diagnosis Code (2025)

Official Description for X00

Exposure to uncontrolled fire in building or structure

Coding Notes & Guidelines for X00

Includes Notes

conflagration in building or structure

Excludes1: Not Coded Here

injury due to collapse of building not on fire (W20.1)

Excludes2: Not Included Here
  • Exposure to ignition or melting of nightwear (X05)
  • Exposure to ignition or melting of other clothing and apparel (X06.-)
  • Exposure to other specified smoke, fire and flames (X08.-)
Code First

any associated cataclysm

7th Character Guidance

The appropriate 7th character is to be added to each code from category X00

7th Character Definitions
  • A: initial encounter
  • D: subsequent encounter
  • S: sequela

Child Codes (More Specific Codes for X00):

About ICD-10-CM Code X00 (Exposure to uncontrolled fire in building or structure)

ICD-10-CM code X00 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM X00 became effective on October 1, 2024.

This page provides detailed information about X00 - Exposure to uncontrolled fire in building or structure. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Exposure to uncontrolled fire in building or structure.