Is V79 a billable ICD-10-CM code?

No. V79 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does V79 sit in the tabular list?

External causes of morbidity (V00-Y99), in the block Bus occupant injured in transport accident (V70-V79).

V79

V79 — Bus occupant injured in other and unspecified transport accidents

Non-billable headerICD-10-CM

V79 is a non-billable header ICD-10-CM code for bus occupant injured in other and unspecified transport accidents. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category V79

A: initial encounter
D: subsequent encounter
S: sequela

Other codes that can never be billed with V79

These codes carry an Excludes1 note pointing at V79. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading V79 alone.

V74Bus occupant injured in collision with heavy transport vehicle or bus
V82Occupant of powered streetcar injured in transport accident
Y36Operations of war
Y37Military operations

Risk adjustment

V79 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead V79

9 child codes. Green means billable.

Questions about V79

Is V79 a billable ICD-10-CM code?: No. V79 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does V79 sit in the tabular list?: External causes of morbidity (V00-Y99), in the block Bus occupant injured in transport accident (V70-V79).