Question 1

Is X04 a billable ICD-10 code?

Accepted Answer

Yes, X04 is a valid billable ICD-10-CM code for exposure to ignition of highly flammable material. It can be used for medical billing and reimbursement purposes.

Question 2

What does ICD-10 code X04 mean?

Accepted Answer

ICD-10-CM code X04 represents Exposure to ignition of highly flammable material. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

When was ICD-10 code X04 introduced?

Accepted Answer

Code X04 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

What is the parent category for ICD-10 code X04?

Accepted Answer

The parent category for X04 is section:X00-X08 (Exposure to smoke, fire and flames (X00-X08)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions should be coded separately from X04?

Accepted Answer

Code X04 has Type 2 Excludes including: exposure to ignition or melting of nightwear (X05); exposure to ignition or melting of other clothing and apparel (X06). These conditions are not included in X04 but can be coded together if the patient has both conditions.

Question 6

Does X04 require a 7th character extension?

Accepted Answer

Yes, X04 requires a 7th character to specify the encounter type. Available extensions include: A (initial encounter), D (subsequent encounter), S (sequela). Use "X" as a placeholder to fill empty positions before the 7th character (e.g., X04XXA for initial encounter). The extension indicates whether this is an initial visit, follow-up, or treatment for a late effect.

X042026

Excludes11Not coded together

Excludes25Not included here

Notes4Additional information

Also Known As10Alternative terms

7th Character Extensions3Encounter type specifiers

Excluded By2Codes that exclude this one