Is Y38 a billable ICD-10-CM code?

No. Y38 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does Y38 sit in the tabular list?

External causes of morbidity (V00-Y99), in the block Legal intervention, operations of war, military operations, and terrorism (Y35-Y38).

Y38

Y38 — Terrorism

Non-billable headerICD-10-CM

Y38 is a non-billable header ICD-10-CM code for terrorism. 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 Y38

A: initial encounter
D: subsequent encounter
S: sequela

Use additional code

Add a secondary code to capture the detail described below.

code for place of occurrence (Y92.-)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

These codes are for use to identify injuries resulting from the unlawful use of force or violence against persons or property to intimidate or coerce a Government, the civilian population, or any segment thereof, in furtherance of political or social objective

Other codes that can never be billed with Y38

These codes carry an Excludes1 note pointing at Y38. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading Y38 alone.

X96Assault by explosive material
Y38.2Terrorism involving other explosions and fragments
Y38.3Terrorism involving fires, conflagration and hot substances

Risk adjustment

Y38 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 Y38

10 child codes. Green means billable.

Questions about Y38

Is Y38 a billable ICD-10-CM code?: No. Y38 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does Y38 sit in the tabular list?: External causes of morbidity (V00-Y99), in the block Legal intervention, operations of war, military operations, and terrorism (Y35-Y38).