All ICD10 Codes

T50.Z9

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Poisoning by, adverse effect of and underdosing of other vaccines and biological substances

Use a more specific code (6 billable)
T50.Z91Poisoning by other vaccines and biological substances, accidental (unintentional)T50.Z92Poisoning by other vaccines and biological substances, intentional self-harmT50.Z93Poisoning by other vaccines and biological substances, assaultT50.Z94Poisoning by other vaccines and biological substances, undeterminedT50.Z95Adverse effect of other vaccines and biological substancesT50.Z96Underdosing of other vaccines and biological substances
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).
General instructions are available for the parent sections:
View CH19 NotesView T36-T50 Notes

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T36-T50Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
T50Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances
T50.ZPoisoning by, adverse effect of and underdosing of other vaccines and biological substances
T50.Z9Poisoning by, adverse effect of and underdosing of other vaccines and biological substancesNot billable
T50.Z91Poisoning by other vaccines and biological substances, accidental (unintentional)Billable
T50.Z92Poisoning by other vaccines and biological substances, intentional self-harmBillable
T50.Z93Poisoning by other vaccines and biological substances, assaultBillable
T50.Z94Poisoning by other vaccines and biological substances, undeterminedBillable
T50.Z95Adverse effect of other vaccines and biological substancesBillable
T50.Z96Underdosing of other vaccines and biological substancesBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T50.Z9:

blockT36-T50
Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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