T50.A
T50.A — Poisoning by, adverse effect of and underdosing of bacterial vaccines
Non-billable headerICD-10-CM
T50.A is a non-billable header ICD-10-CM code for poisoning by, adverse effect of and underdosing of 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.A 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.A
3 child codes. Green means billable.
- T50.A1Poisoning by, adverse effect of and underdosing of pertussis vaccine, including combinations with a pertussis component
- T50.A2Poisoning by, adverse effect of and underdosing of mixed bacterial vaccines without a pertussis component
- T50.A9Poisoning by, adverse effect of and underdosing of other bacterial vaccines
Related codes at this level
Codes that share T50. If T50.A is not quite right, the correct code is usually one of these.
- T50.0Poisoning by, adverse effect of and underdosing of mineralocorticoids and their antagonists
- T50.1Poisoning by, adverse effect of and underdosing of loop [high-ceiling] diuretics
- T50.2Poisoning by, adverse effect of and underdosing of carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics
- T50.3Poisoning by, adverse effect of and underdosing of electrolytic, caloric and water-balance agents
- T50.4Poisoning by, adverse effect of and underdosing of drugs affecting uric acid metabolism
- T50.5Poisoning by, adverse effect of and underdosing of appetite depressants
- T50.6Poisoning by, adverse effect of and underdosing of antidotes and chelating agents
- T50.7Poisoning by, adverse effect of and underdosing of analeptics and opioid receptor antagonists
- T50.8Poisoning by, adverse effect of and underdosing of diagnostic agents
- T50.BPoisoning by, adverse effect of and underdosing of viral vaccines
- T50.ZPoisoning by, adverse effect of and underdosing of other vaccines and biological substances
- T50.9Poisoning by, adverse effect of and underdosing of other and unspecified drugs, medicaments and biological substances
Questions about T50.A
- Is T50.A a billable ICD-10-CM code?
- No. T50.A is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does T50.A 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).