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ICD-10-CM · FY 2026 APRIL UPDATE

T41.4

Poisoning by, adverse effect of and underdosing of unspecified anesthetic

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
T41.41Poisoning by unspecified anesthetic, accidental (unintentional)Category
T41.41XAPoisoning by unspecified anesthetic, accidental (unintentional), initial encounterBillable
T41.41XDPoisoning by unspecified anesthetic, accidental (unintentional), subsequent encounterBillable
T41.41XSPoisoning by unspecified anesthetic, accidental (unintentional), sequelaBillable
T41.42Poisoning by unspecified anesthetic, intentional self-harmCategory
T41.42XAPoisoning by unspecified anesthetic, intentional self-harm, initial encounterBillable
T41.42XDPoisoning by unspecified anesthetic, intentional self-harm, subsequent encounterBillable
T41.42XSPoisoning by unspecified anesthetic, intentional self-harm, sequelaBillable
T41.43Poisoning by unspecified anesthetic, assaultCategory
T41.43XAPoisoning by unspecified anesthetic, assault, initial encounterBillable
T41.43XDPoisoning by unspecified anesthetic, assault, subsequent encounterBillable
T41.43XSPoisoning by unspecified anesthetic, assault, sequelaBillable
T41.44Poisoning by unspecified anesthetic, undeterminedCategory
T41.44XAPoisoning by unspecified anesthetic, undetermined, initial encounterBillable
T41.44XDPoisoning by unspecified anesthetic, undetermined, subsequent encounterBillable
T41.44XSPoisoning by unspecified anesthetic, undetermined, sequelaBillable
T41.45Adverse effect of unspecified anestheticCategory
T41.45XAAdverse effect of unspecified anesthetic, initial encounterBillable
T41.45XDAdverse effect of unspecified anesthetic, subsequent encounterBillable
T41.45XSAdverse effect of unspecified anesthetic, sequelaBillable
T41.46Underdosing of unspecified anestheticsCategory
T41.46XAUnderdosing of unspecified anesthetics, initial encounterBillable
T41.46XDUnderdosing of unspecified anesthetics, subsequent encounterBillable
T41.46XSUnderdosing of unspecified 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.