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ICD-10-CM · FY 2026 APRIL UPDATE

T50.B9

Poisoning by, adverse effect of and underdosing of other viral vaccines

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
T50.B91Poisoning by other viral vaccines, accidental (unintentional)Category
T50.B91APoisoning by other viral vaccines, accidental (unintentional), initial encounterBillable
T50.B91DPoisoning by other viral vaccines, accidental (unintentional), subsequent encounterBillable
T50.B91SPoisoning by other viral vaccines, accidental (unintentional), sequelaBillable
T50.B92Poisoning by other viral vaccines, intentional self-harmCategory
T50.B92APoisoning by other viral vaccines, intentional self-harm, initial encounterBillable
T50.B92DPoisoning by other viral vaccines, intentional self-harm, subsequent encounterBillable
T50.B92SPoisoning by other viral vaccines, intentional self-harm, sequelaBillable
T50.B93Poisoning by other viral vaccines, assaultCategory
T50.B93APoisoning by other viral vaccines, assault, initial encounterBillable
T50.B93DPoisoning by other viral vaccines, assault, subsequent encounterBillable
T50.B93SPoisoning by other viral vaccines, assault, sequelaBillable
T50.B94Poisoning by other viral vaccines, undeterminedCategory
T50.B94APoisoning by other viral vaccines, undetermined, initial encounterBillable
T50.B94DPoisoning by other viral vaccines, undetermined, subsequent encounterBillable
T50.B94SPoisoning by other viral vaccines, undetermined, sequelaBillable
T50.B95Adverse effect of other viral vaccinesCategory
T50.B95AAdverse effect of other viral vaccines, initial encounterBillable
T50.B95DAdverse effect of other viral vaccines, subsequent encounterBillable
T50.B95SAdverse effect of other viral vaccines, sequelaBillable
T50.B96Underdosing of other viral vaccinesCategory
T50.B96AUnderdosing of other viral vaccines, initial encounterBillable
T50.B96DUnderdosing of other viral vaccines, subsequent encounterBillable
T50.B96SUnderdosing of other viral vaccines, sequelaBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

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ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.