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ICD-10-CM · FY 2026 APRIL UPDATE

T43.65

Poisoning by, adverse effect of and underdosing of methamphetamines

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
T43.651Poisoning by methamphetamines accidental (unintentional)Category
T43.651APoisoning by methamphetamines accidental (unintentional), initial encounterBillable
T43.651DPoisoning by methamphetamines accidental (unintentional), subsequent encounterBillable
T43.651SPoisoning by methamphetamines accidental (unintentional), sequelaBillable
T43.652Poisoning by methamphetamines intentional self-harmCategory
T43.652APoisoning by methamphetamines intentional self-harm, initial encounterBillable
T43.652DPoisoning by methamphetamines intentional self-harm, subsequent encounterBillable
T43.652SPoisoning by methamphetamines intentional self-harm, sequelaBillable
T43.653Poisoning by methamphetamines, assaultCategory
T43.653APoisoning by methamphetamines, assault, initial encounterBillable
T43.653DPoisoning by methamphetamines, assault, subsequent encounterBillable
T43.653SPoisoning by methamphetamines, assault, sequelaBillable
T43.654Poisoning by methamphetamines, undeterminedCategory
T43.654APoisoning by methamphetamines, undetermined, initial encounterBillable
T43.654DPoisoning by methamphetamines, undetermined, subsequent encounterBillable
T43.654SPoisoning by methamphetamines, undetermined, sequelaBillable
T43.655Adverse effect of methamphetaminesCategory
T43.655AAdverse effect of methamphetamines, initial encounterBillable
T43.655DAdverse effect of methamphetamines, subsequent encounterBillable
T43.655SAdverse effect of methamphetamines, sequelaBillable
T43.656Underdosing of methamphetaminesCategory
T43.656AUnderdosing of methamphetamines, initial encounterBillable
T43.656DUnderdosing of methamphetamines, subsequent encounterBillable
T43.656SUnderdosing of methamphetamines, 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.