Question 1

Is Y04 a billable ICD-10 code?

Accepted Answer

No, Y04 is not a billable code. It is a category code that requires additional specificity. You must select a more specific code from the subcategories for billing purposes.

Question 2

What does ICD-10 code Y04 mean?

Accepted Answer

ICD-10-CM code Y04 represents Assault by bodily force. 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 Y04 introduced?

Accepted Answer

Code Y04 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 Y04?

Accepted Answer

The parent category for Y04 is section:X92-Y09 (Assault (X92-Y09)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from Y04?

Accepted Answer

Code Y04 has Type 1 Excludes (mutually exclusive conditions) including: assault by:; submersion (X92.-); use of weapon (X93-X95, X99, Y00). These conditions cannot be coded together with Y04 as they represent different diagnoses.

Question 6

Does Y04 require a 7th character extension?

Accepted Answer

Yes, Y04 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., Y04XXA for initial encounter). The extension indicates whether this is an initial visit, follow-up, or treatment for a late effect.

Y042026

Excludes16Not coded together

Notes1Additional information

Includes2Included conditions

7th Character Extensions3Encounter type specifiers

Excluded By1Codes that exclude this one