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ICD-10-CM · FY 2026 APRIL UPDATE

T45.2X

Poisoning by, adverse effect of and underdosing of vitamins

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
T45.2X1Poisoning by vitamins, accidental (unintentional)Category
T45.2X1APoisoning by vitamins, accidental (unintentional), initial encounterBillable
T45.2X1DPoisoning by vitamins, accidental (unintentional), subsequent encounterBillable
T45.2X1SPoisoning by vitamins, accidental (unintentional), sequelaBillable
T45.2X2Poisoning by vitamins, intentional self-harmCategory
T45.2X2APoisoning by vitamins, intentional self-harm, initial encounterBillable
T45.2X2DPoisoning by vitamins, intentional self-harm, subsequent encounterBillable
T45.2X2SPoisoning by vitamins, intentional self-harm, sequelaBillable
T45.2X3Poisoning by vitamins, assaultCategory
T45.2X3APoisoning by vitamins, assault, initial encounterBillable
T45.2X3DPoisoning by vitamins, assault, subsequent encounterBillable
T45.2X3SPoisoning by vitamins, assault, sequelaBillable
T45.2X4Poisoning by vitamins, undeterminedCategory
T45.2X4APoisoning by vitamins, undetermined, initial encounterBillable
T45.2X4DPoisoning by vitamins, undetermined, subsequent encounterBillable
T45.2X4SPoisoning by vitamins, undetermined, sequelaBillable
T45.2X5Adverse effect of vitaminsCategory
T45.2X5AAdverse effect of vitamins, initial encounterBillable
T45.2X5DAdverse effect of vitamins, subsequent encounterBillable
T45.2X5SAdverse effect of vitamins, sequelaBillable
T45.2X6Underdosing of vitaminsCategory
T45.2X6AUnderdosing of vitamins, initial encounterBillable
T45.2X6DUnderdosing of vitamins, subsequent encounterBillable
T45.2X6SUnderdosing of vitamins, 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.

Open official CMS files

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