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ICD-10-CM · FY 2026 APRIL UPDATE

T41.20

Poisoning by, adverse effect of and underdosing of unspecified general anesthetics

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
T41.201Poisoning by unspecified general anesthetics, accidental (unintentional)Category
T41.201APoisoning by unspecified general anesthetics, accidental (unintentional), initial encounterBillable
T41.201DPoisoning by unspecified general anesthetics, accidental (unintentional), subsequent encounterBillable
T41.201SPoisoning by unspecified general anesthetics, accidental (unintentional), sequelaBillable
T41.202Poisoning by unspecified general anesthetics, intentional self-harmCategory
T41.202APoisoning by unspecified general anesthetics, intentional self-harm, initial encounterBillable
T41.202DPoisoning by unspecified general anesthetics, intentional self-harm, subsequent encounterBillable
T41.202SPoisoning by unspecified general anesthetics, intentional self-harm, sequelaBillable
T41.203Poisoning by unspecified general anesthetics, assaultCategory
T41.203APoisoning by unspecified general anesthetics, assault, initial encounterBillable
T41.203DPoisoning by unspecified general anesthetics, assault, subsequent encounterBillable
T41.203SPoisoning by unspecified general anesthetics, assault, sequelaBillable
T41.204Poisoning by unspecified general anesthetics, undeterminedCategory
T41.204APoisoning by unspecified general anesthetics, undetermined, initial encounterBillable
T41.204DPoisoning by unspecified general anesthetics, undetermined, subsequent encounterBillable
T41.204SPoisoning by unspecified general anesthetics, undetermined, sequelaBillable
T41.205Adverse effect of unspecified general anestheticsCategory
T41.205AAdverse effect of unspecified general anesthetics, initial encounterBillable
T41.205DAdverse effect of unspecified general anesthetics, subsequent encounterBillable
T41.205SAdverse effect of unspecified general anesthetics, sequelaBillable
T41.206Underdosing of unspecified general anestheticsCategory
T41.206AUnderdosing of unspecified general anesthetics, initial encounterBillable
T41.206DUnderdosing of unspecified general anesthetics, subsequent encounterBillable
T41.206SUnderdosing of unspecified general anesthetics, 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.