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ICD-10-CM · FY 2026 APRIL UPDATE

T38.3

Poisoning by, adverse effect of and underdosing of insulin and oral hypoglycemic [antidiabetic] drugs

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
T38.3XPoisoning by, adverse effect of and underdosing of insulin and oral hypoglycemic [antidiabetic] drugsCategory
T38.3X1Poisoning by insulin and oral hypoglycemic [antidiabetic] drugs, accidental (unintentional)Category
T38.3X1APoisoning by insulin and oral hypoglycemic [antidiabetic] drugs, accidental (unintentional), initial encounterBillable
T38.3X1DPoisoning by insulin and oral hypoglycemic [antidiabetic] drugs, accidental (unintentional), subsequent encounterBillable
T38.3X1SPoisoning by insulin and oral hypoglycemic [antidiabetic] drugs, accidental (unintentional), sequelaBillable
T38.3X2Poisoning by insulin and oral hypoglycemic [antidiabetic] drugs, intentional self-harmCategory
T38.3X2APoisoning by insulin and oral hypoglycemic [antidiabetic] drugs, intentional self-harm, initial encounterBillable
T38.3X2DPoisoning by insulin and oral hypoglycemic [antidiabetic] drugs, intentional self-harm, subsequent encounterBillable
T38.3X2SPoisoning by insulin and oral hypoglycemic [antidiabetic] drugs, intentional self-harm, sequelaBillable
T38.3X3Poisoning by insulin and oral hypoglycemic [antidiabetic] drugs, assaultCategory
T38.3X3APoisoning by insulin and oral hypoglycemic [antidiabetic] drugs, assault, initial encounterBillable
T38.3X3DPoisoning by insulin and oral hypoglycemic [antidiabetic] drugs, assault, subsequent encounterBillable
T38.3X3SPoisoning by insulin and oral hypoglycemic [antidiabetic] drugs, assault, sequelaBillable
T38.3X4Poisoning by insulin and oral hypoglycemic [antidiabetic] drugs, undeterminedCategory
T38.3X4APoisoning by insulin and oral hypoglycemic [antidiabetic] drugs, undetermined, initial encounterBillable
T38.3X4DPoisoning by insulin and oral hypoglycemic [antidiabetic] drugs, undetermined, subsequent encounterBillable
T38.3X4SPoisoning by insulin and oral hypoglycemic [antidiabetic] drugs, undetermined, sequelaBillable
T38.3X5Adverse effect of insulin and oral hypoglycemic [antidiabetic] drugsCategory
T38.3X5AAdverse effect of insulin and oral hypoglycemic [antidiabetic] drugs, initial encounterBillable
T38.3X5DAdverse effect of insulin and oral hypoglycemic [antidiabetic] drugs, subsequent encounterBillable
T38.3X5SAdverse effect of insulin and oral hypoglycemic [antidiabetic] drugs, sequelaBillable
T38.3X6Underdosing of insulin and oral hypoglycemic [antidiabetic] drugsCategory
T38.3X6AUnderdosing of insulin and oral hypoglycemic [antidiabetic] drugs, initial encounterBillable
T38.3X6DUnderdosing of insulin and oral hypoglycemic [antidiabetic] drugs, subsequent encounterBillable
T38.3X6SUnderdosing of insulin and oral hypoglycemic [antidiabetic] drugs, 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.