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ICD-10-CM · FY 2026 APRIL UPDATE

T41.3

Poisoning by, adverse effect of and underdosing of local 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
T41.3XPoisoning by, adverse effect of and underdosing of local anestheticsCategory
T41.3X1Poisoning by local anesthetics, accidental (unintentional)Category
T41.3X1APoisoning by local anesthetics, accidental (unintentional), initial encounterBillable
T41.3X1DPoisoning by local anesthetics, accidental (unintentional), subsequent encounterBillable
T41.3X1SPoisoning by local anesthetics, accidental (unintentional), sequelaBillable
T41.3X2Poisoning by local anesthetics, intentional self-harmCategory
T41.3X2APoisoning by local anesthetics, intentional self-harm, initial encounterBillable
T41.3X2DPoisoning by local anesthetics, intentional self-harm, subsequent encounterBillable
T41.3X2SPoisoning by local anesthetics, intentional self-harm, sequelaBillable
T41.3X3Poisoning by local anesthetics, assaultCategory
T41.3X3APoisoning by local anesthetics, assault, initial encounterBillable
T41.3X3DPoisoning by local anesthetics, assault, subsequent encounterBillable
T41.3X3SPoisoning by local anesthetics, assault, sequelaBillable
T41.3X4Poisoning by local anesthetics, undeterminedCategory
T41.3X4APoisoning by local anesthetics, undetermined, initial encounterBillable
T41.3X4DPoisoning by local anesthetics, undetermined, subsequent encounterBillable
T41.3X4SPoisoning by local anesthetics, undetermined, sequelaBillable
T41.3X5Adverse effect of local anestheticsCategory
T41.3X5AAdverse effect of local anesthetics, initial encounterBillable
T41.3X5DAdverse effect of local anesthetics, subsequent encounterBillable
T41.3X5SAdverse effect of local anesthetics, sequelaBillable
T41.3X6Underdosing of local anestheticsCategory
T41.3X6AUnderdosing of local anesthetics, initial encounterBillable
T41.3X6DUnderdosing of local anesthetics, subsequent encounterBillable
T41.3X6SUnderdosing of local 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.