Is W33.01XA a billable ICD-10-CM code?

Yes. W33.01XA is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does W33.01XA sit in the tabular list?

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

What cannot be coded together with W33.01XA?

W33.01XA carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above W33.01XA (W33) and apply to it just the same.

W33.01XA

W33.01XA — Accidental discharge of shotgun, initial encounter

Billable / specific codeICD-10-CMPOA exempt

W33.01XA is a billable, specific ICD-10-CM code for accidental discharge of shotgun, initial encounter. It is valid for submission on a claim.

7th character "A" — initial encounter

The appropriate 7th character is to be added to each code from category W33

A: initial encounter
D: subsequent encounter
S: sequela

Inclusion terms

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

Discharge of shotgun NOS

Excludes1 inherited from the categories above W33.01XA

These are not written on W33.01XA, but they bind it: a note on a category applies to every code beneath it. Billing W33.01XA with anything listed here is a denial.

Written on W33 — Accidental rifle, shotgun and larger firearm discharge and malfunction

accidental airgun discharge and malfunction (W34.010, W34.110)
accidental BB gun discharge and malfunction (W34.010, W34.110)
accidental handgun discharge and malfunction (W32.-)
accidental pellet gun discharge and malfunction (W34.010, W34.110)
assault by rifle, shotgun and larger firearm discharge (X94)
firearm discharge involving legal intervention (Y35.0-)
firearm discharge involving military or war operations (Y36.4-)
intentional self-harm by rifle, shotgun and larger firearm discharge (X73)

Risk adjustment

W33.01XA 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 history

W33.01XA has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share W33.01. If W33.01XA is not quite right, the correct code is usually one of these.

Questions about W33.01XA

Is W33.01XA a billable ICD-10-CM code?: Yes. W33.01XA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does W33.01XA sit in the tabular list?: External causes of morbidity (V00-Y99), in the block Exposure to inanimate mechanical forces (W20-W49).
What cannot be coded together with W33.01XA?: W33.01XA carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above W33.01XA (W33) and apply to it just the same.