Is W36 a billable ICD-10-CM code?

No. W36 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does W36 sit in the tabular list?

External causes of morbidity (V00-Y99), in the block Exposure to inanimate mechanical forces (W20-W49).

W36

W36 — Explosion and rupture of gas cylinder

Non-billable headerICD-10-CM

W36 is a non-billable header ICD-10-CM code for explosion and rupture of gas cylinder. 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 W36

A: initial encounter
D: subsequent encounter
S: sequela

Risk adjustment

W36 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 W36

5 child codes. Green means billable.

Questions about W36

Is W36 a billable ICD-10-CM code?: No. W36 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does W36 sit in the tabular list?: External causes of morbidity (V00-Y99), in the block Exposure to inanimate mechanical forces (W20-W49).