X00.1XXD – Exposure to smoke in uncontrolled fire in building or structure, subsequent encounter

ICD-10-CM 2027 diagnosis code · Exposure to smoke, fire and flames

Billable code

ICD-10-CM code X00.1XXD

Code: X00.1XXD (claims format: X001XXD)
Description: Exposure to smoke in uncontrolled fire in building or structure, subsequent encounter
Short description: Exposure to smoke in uncontrolled fire in bldg, subs
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 20. External causes of morbidity (V00-Y99)
Block: X00-X08 Exposure to smoke, fire and flames
Parent codes: X00 › X00.1

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care.

Character	Meaning
`A`	initial encounter
`D`	subsequent encounter
`S`	sequela

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

X00 – Exposure to uncontrolled fire in building or structure

Includes:

conflagration in building or structure

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 note:

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

Block X00-X08

Excludes1 (not coded here):

arson (X97)

Excludes2 (not included here):

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

Related codes in X00.1

Frequently asked questions

What is ICD-10 code X00.1XXD?

X00.1XXD is the ICD-10-CM code for exposure to smoke in uncontrolled fire in building or structure, subsequent encounter, in the block X00-X08 (Exposure to smoke, fire and flames).

Is X00.1XXD a billable code?

Yes. X00.1XXD is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does X00.1XXD belong to?

It belongs to category X00 – Exposure to uncontrolled fire in building or structure.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.