T50.Z
T50.Z: Poisoning by, adverse effect of and underdosing of other vaccines and biological substances
Non-billable headerICD-10-CM
T50.Z is a non-billable header ICD-10-CM code for poisoning by, adverse effect of and underdosing of other vaccines and biological substances. 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
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead T50.Z
2 child codes. Green means billable.
Other codes under T50
- 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.APoisoning by, adverse effect of and underdosing of bacterial vaccines
- T50.BPoisoning by, adverse effect of and underdosing of viral vaccines
- T50.9Poisoning by, adverse effect of and underdosing of other and unspecified drugs, medicaments and biological substances