Is W28.XXXA a billable ICD-10-CM code?

Yes. W28.XXXA is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does W28.XXXA 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 W28.XXXA?

W28.XXXA carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

W28.XXXA

W28.XXXA — Contact with powered lawn mower, initial encounter

Billable / specific codeICD-10-CMPOA exempt

W28.XXXA is a billable, specific ICD-10-CM code for contact with powered lawn mower, initial encounter. It is valid for submission on a claim.

7th character "A" — initial encounter

The appropriate 7th character is to be added to code W28

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

contact with nonpowered lawn mower (W27.1)

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

exposure to electric current (W86.-)

Inclusion terms

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

Powered lawn mower (commercial) (residential)

Risk adjustment

W28.XXXA 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.

Related codes at this level

Codes that share W28. If W28.XXXA is not quite right, the correct code is usually one of these.

Questions about W28.XXXA

Is W28.XXXA a billable ICD-10-CM code?: Yes. W28.XXXA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does W28.XXXA 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 W28.XXXA?: W28.XXXA carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.