W50.3XXA — Accidental bite by another person, initial encounter
W50.3XXA is a billable, specific ICD-10-CM code for accidental bite by another person, 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 W50
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Human bite
- Bite by another person NOS
Risk adjustment
W50.3XXA 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
W50.3XXA 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
Related codes at this level
Codes that share W50.3. If W50.3XXA is not quite right, the correct code is usually one of these.
Questions about W50.3XXA
- Is W50.3XXA a billable ICD-10-CM code?
- Yes. W50.3XXA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does W50.3XXA sit in the tabular list?
- External causes of morbidity (V00-Y99), in the block Exposure to animate mechanical forces (W50-W64).