T50.Z
ICD-10Non-billable categoryVaccines and biological substances
Official ICD-10-CM descriptor (FY2026)
Poisoning by, adverse effect of and underdosing of other vaccines and biological substances
T50.Z is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
ICD-10-CM FY2026 defines 2 codes beneath T50.Z. See the ICD-10-CM index for what this site publishes.
Related codes in T50
- T50.0Mineralocorticoids and their antagonistscategory
- T50.1Loop diureticscategory
- T50.2Carbonic-anhydrase inhibitors, benzo/oth diuretccategory
- T50.3Electrolytic, caloric and water-balance agentscategory
- T50.4Drugs affecting uric acid metabolismcategory
- T50.5Appetite depressantscategory
- T50.6Antidotes and chelating agentscategory
- T50.7Analeptics and opioid receptor antagonistscategory
- T50.8Diagnostic agentscategory
- T50.ABacterial vaccinescategory
- T50.BViral vaccinescategory
- T50.9And unsp drugs, medicaments and biological substancescategory
Where this code sits
- Parent code
- T50
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.