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ICD-10-CM · FY 2026 APRIL UPDATE

T45.4X

Poisoning by, adverse effect of and underdosing of iron and its compounds

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
T45.4X1Poisoning by iron and its compounds, accidental (unintentional)Category
T45.4X1APoisoning by iron and its compounds, accidental (unintentional), initial encounterBillable
T45.4X1DPoisoning by iron and its compounds, accidental (unintentional), subsequent encounterBillable
T45.4X1SPoisoning by iron and its compounds, accidental (unintentional), sequelaBillable
T45.4X2Poisoning by iron and its compounds, intentional self-harmCategory
T45.4X2APoisoning by iron and its compounds, intentional self-harm, initial encounterBillable
T45.4X2DPoisoning by iron and its compounds, intentional self-harm, subsequent encounterBillable
T45.4X2SPoisoning by iron and its compounds, intentional self-harm, sequelaBillable
T45.4X3Poisoning by iron and its compounds, assaultCategory
T45.4X3APoisoning by iron and its compounds, assault, initial encounterBillable
T45.4X3DPoisoning by iron and its compounds, assault, subsequent encounterBillable
T45.4X3SPoisoning by iron and its compounds, assault, sequelaBillable
T45.4X4Poisoning by iron and its compounds, undeterminedCategory
T45.4X4APoisoning by iron and its compounds, undetermined, initial encounterBillable
T45.4X4DPoisoning by iron and its compounds, undetermined, subsequent encounterBillable
T45.4X4SPoisoning by iron and its compounds, undetermined, sequelaBillable
T45.4X5Adverse effect of iron and its compoundsCategory
T45.4X5AAdverse effect of iron and its compounds, initial encounterBillable
T45.4X5DAdverse effect of iron and its compounds, subsequent encounterBillable
T45.4X5SAdverse effect of iron and its compounds, sequelaBillable
T45.4X6Underdosing of iron and its compoundsCategory
T45.4X6AUnderdosing of iron and its compounds, initial encounterBillable
T45.4X6DUnderdosing of iron and its compounds, subsequent encounterBillable
T45.4X6SUnderdosing of iron and its compounds, 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.