Is W50.4XXD a billable ICD-10-CM code?

Yes. W50.4XXD is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does W50.4XXD 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 W50.4XXD?

W50.4XXD 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 W50.4XXD (W50) and apply to it just the same.

W50.4XXD

W50.4XXD — Accidental scratch by another person, subsequent encounter

Billable / specific codeICD-10-CM

W50.4XXD is a billable, specific ICD-10-CM code for accidental scratch by another person, subsequent encounter. It is valid for submission on a claim.

7th character "D" — subsequent encounter

The appropriate 7th character is to be added to each code from category W50

A: initial encounter
D: subsequent encounter
S: sequela

Inclusion terms

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

Scratch by another person NOS

Excludes1 inherited from the categories above W50.4XXD

These are not written on W50.4XXD, but they bind it: a note on a category applies to every code beneath it. Billing W50.4XXD with anything listed here is a denial.

Written on W50 — Accidental hit, strike, kick, twist, bite or scratch by another person

assault by bodily force (Y04)
struck by objects (W20-W22)

Risk adjustment

W50.4XXD 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.

Medicare coverage

W50.4XXD is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A58872Billing and Coding: Tetanus Immunization
A58873Billing and Coding: Tetanus Immunization

Code history

W50.4XXD 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 W50.4. If W50.4XXD is not quite right, the correct code is usually one of these.

Questions about W50.4XXD

Is W50.4XXD a billable ICD-10-CM code?: Yes. W50.4XXD is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does W50.4XXD 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 W50.4XXD?: W50.4XXD 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 W50.4XXD (W50) and apply to it just the same.