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ICD-10-CM · FY 2026 APRIL UPDATE

T41.5X

Poisoning by, adverse effect of and underdosing of therapeutic gases

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
T41.5X1Poisoning by therapeutic gases, accidental (unintentional)Category
T41.5X1APoisoning by therapeutic gases, accidental (unintentional), initial encounterBillable
T41.5X1DPoisoning by therapeutic gases, accidental (unintentional), subsequent encounterBillable
T41.5X1SPoisoning by therapeutic gases, accidental (unintentional), sequelaBillable
T41.5X2Poisoning by therapeutic gases, intentional self-harmCategory
T41.5X2APoisoning by therapeutic gases, intentional self-harm, initial encounterBillable
T41.5X2DPoisoning by therapeutic gases, intentional self-harm, subsequent encounterBillable
T41.5X2SPoisoning by therapeutic gases, intentional self-harm, sequelaBillable
T41.5X3Poisoning by therapeutic gases, assaultCategory
T41.5X3APoisoning by therapeutic gases, assault, initial encounterBillable
T41.5X3DPoisoning by therapeutic gases, assault, subsequent encounterBillable
T41.5X3SPoisoning by therapeutic gases, assault, sequelaBillable
T41.5X4Poisoning by therapeutic gases, undeterminedCategory
T41.5X4APoisoning by therapeutic gases, undetermined, initial encounterBillable
T41.5X4DPoisoning by therapeutic gases, undetermined, subsequent encounterBillable
T41.5X4SPoisoning by therapeutic gases, undetermined, sequelaBillable
T41.5X5Adverse effect of therapeutic gasesCategory
T41.5X5AAdverse effect of therapeutic gases, initial encounterBillable
T41.5X5DAdverse effect of therapeutic gases, subsequent encounterBillable
T41.5X5SAdverse effect of therapeutic gases, sequelaBillable
T41.5X6Underdosing of therapeutic gasesCategory
T41.5X6AUnderdosing of therapeutic gases, initial encounterBillable
T41.5X6DUnderdosing of therapeutic gases, subsequent encounterBillable
T41.5X6SUnderdosing of therapeutic gases, 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.