Is W73.XXXA a billable ICD-10-CM code?

Yes. W73.XXXA is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does W73.XXXA sit in the tabular list?

External causes of morbidity (V00-Y99), in the block Accidental non-transport drowning and submersion (W65-W74).

What cannot be coded together with W73.XXXA?

W73.XXXA carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

W73.XXXA

W73.XXXA — Other specified cause of accidental non-transport drowning and submersion, initial encounter

Billable / specific codeICD-10-CMPOA exempt

W73.XXXA is a billable, specific ICD-10-CM code for other specified cause of accidental non-transport drowning and submersion, 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 W73

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.

accidental drowning and submersion due to fall into other water (W16.311, W16.321, W16.331)

Inclusion terms

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

Accidental drowning and submersion while in quenching tank
Accidental drowning and submersion while in reservoir

Risk adjustment

W73.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 W73. If W73.XXXA is not quite right, the correct code is usually one of these.

Questions about W73.XXXA

Is W73.XXXA a billable ICD-10-CM code?: Yes. W73.XXXA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does W73.XXXA sit in the tabular list?: External causes of morbidity (V00-Y99), in the block Accidental non-transport drowning and submersion (W65-W74).
What cannot be coded together with W73.XXXA?: W73.XXXA carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.