Is W59.12XA a billable ICD-10-CM code?

Yes. W59.12XA is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does W59.12XA sit in the tabular list?

External causes of morbidity (V00-Y99), in the block Exposure to animate mechanical forces (W50-W64).

What cannot be coded together with W59.12XA?

W59.12XA 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 W59.12XA (W59) and apply to it just the same.

W59.12XA

W59.12XA — Struck by nonvenomous snake, initial encounter

Billable / specific codeICD-10-CMPOA exempt

W59.12XA is a billable, specific ICD-10-CM code for struck by nonvenomous snake, 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 W59

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 inherited from the categories above W59.12XA

These are not written on W59.12XA, but they bind it: a note on a category applies to every code beneath it. Billing W59.12XA with anything listed here is a denial.

Written on W59 — Contact with other nonvenomous reptiles

contact with venomous reptile (T63.0-, T63.1-)

Risk adjustment

W59.12XA 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

W59.12XA 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 W59.12. If W59.12XA is not quite right, the correct code is usually one of these.

Questions about W59.12XA

Is W59.12XA a billable ICD-10-CM code?: Yes. W59.12XA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does W59.12XA sit in the tabular list?: External causes of morbidity (V00-Y99), in the block Exposure to animate mechanical forces (W50-W64).
What cannot be coded together with W59.12XA?: W59.12XA 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 W59.12XA (W59) and apply to it just the same.