T50.A9
T50.A9 — Poisoning by, adverse effect of and underdosing of other bacterial vaccines
Non-billable headerICD-10-CM
T50.A9 is a non-billable header ICD-10-CM code for poisoning by, adverse effect of and underdosing of other bacterial vaccines. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category T50
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
T50.A9 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 to one of these instead T50.A9
6 child codes. Green means billable.
- T50.A91Poisoning by other bacterial vaccines, accidental (unintentional)
- T50.A92Poisoning by other bacterial vaccines, intentional self-harm
- T50.A93Poisoning by other bacterial vaccines, assault
- T50.A94Poisoning by other bacterial vaccines, undetermined
- T50.A95Adverse effect of other bacterial vaccines
- T50.A96Underdosing of other bacterial vaccines
Related codes at this level
Codes that share T50.A. If T50.A9 is not quite right, the correct code is usually one of these.
Questions about T50.A9
- Is T50.A9 a billable ICD-10-CM code?
- No. T50.A9 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does T50.A9 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50).