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ICD-10-CM · FY 2026 APRIL UPDATE

T36.8

Poisoning by, adverse effect of and underdosing of other systemic antibiotics

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
T36.8XPoisoning by, adverse effect of and underdosing of other systemic antibioticsCategory
T36.8X1Poisoning by other systemic antibiotics, accidental (unintentional)Category
T36.8X1APoisoning by other systemic antibiotics, accidental (unintentional), initial encounterBillable
T36.8X1DPoisoning by other systemic antibiotics, accidental (unintentional), subsequent encounterBillable
T36.8X1SPoisoning by other systemic antibiotics, accidental (unintentional), sequelaBillable
T36.8X2Poisoning by other systemic antibiotics, intentional self-harmCategory
T36.8X2APoisoning by other systemic antibiotics, intentional self-harm, initial encounterBillable
T36.8X2DPoisoning by other systemic antibiotics, intentional self-harm, subsequent encounterBillable
T36.8X2SPoisoning by other systemic antibiotics, intentional self-harm, sequelaBillable
T36.8X3Poisoning by other systemic antibiotics, assaultCategory
T36.8X3APoisoning by other systemic antibiotics, assault, initial encounterBillable
T36.8X3DPoisoning by other systemic antibiotics, assault, subsequent encounterBillable
T36.8X3SPoisoning by other systemic antibiotics, assault, sequelaBillable
T36.8X4Poisoning by other systemic antibiotics, undeterminedCategory
T36.8X4APoisoning by other systemic antibiotics, undetermined, initial encounterBillable
T36.8X4DPoisoning by other systemic antibiotics, undetermined, subsequent encounterBillable
T36.8X4SPoisoning by other systemic antibiotics, undetermined, sequelaBillable
T36.8X5Adverse effect of other systemic antibioticsCategory
T36.8X5AAdverse effect of other systemic antibiotics, initial encounterBillable
T36.8X5DAdverse effect of other systemic antibiotics, subsequent encounterBillable
T36.8X5SAdverse effect of other systemic antibiotics, sequelaBillable
T36.8X6Underdosing of other systemic antibioticsCategory
T36.8X6AUnderdosing of other systemic antibiotics, initial encounterBillable
T36.8X6DUnderdosing of other systemic antibiotics, subsequent encounterBillable
T36.8X6SUnderdosing of other systemic antibiotics, 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.