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ICD-10-CM · FY 2026 APRIL UPDATE

T40.5X

Poisoning by, adverse effect of and underdosing of cocaine

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
T40.5X1Poisoning by cocaine, accidental (unintentional)Category
T40.5X1APoisoning by cocaine, accidental (unintentional), initial encounterBillable
T40.5X1DPoisoning by cocaine, accidental (unintentional), subsequent encounterBillable
T40.5X1SPoisoning by cocaine, accidental (unintentional), sequelaBillable
T40.5X2Poisoning by cocaine, intentional self-harmCategory
T40.5X2APoisoning by cocaine, intentional self-harm, initial encounterBillable
T40.5X2DPoisoning by cocaine, intentional self-harm, subsequent encounterBillable
T40.5X2SPoisoning by cocaine, intentional self-harm, sequelaBillable
T40.5X3Poisoning by cocaine, assaultCategory
T40.5X3APoisoning by cocaine, assault, initial encounterBillable
T40.5X3DPoisoning by cocaine, assault, subsequent encounterBillable
T40.5X3SPoisoning by cocaine, assault, sequelaBillable
T40.5X4Poisoning by cocaine, undeterminedCategory
T40.5X4APoisoning by cocaine, undetermined, initial encounterBillable
T40.5X4DPoisoning by cocaine, undetermined, subsequent encounterBillable
T40.5X4SPoisoning by cocaine, undetermined, sequelaBillable
T40.5X5Adverse effect of cocaineCategory
T40.5X5AAdverse effect of cocaine, initial encounterBillable
T40.5X5DAdverse effect of cocaine, subsequent encounterBillable
T40.5X5SAdverse effect of cocaine, sequelaBillable
T40.5X6Underdosing of cocaineCategory
T40.5X6AUnderdosing of cocaine, initial encounterBillable
T40.5X6DUnderdosing of cocaine, subsequent encounterBillable
T40.5X6SUnderdosing of cocaine, 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.