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ICD-10-CM · FY 2026 APRIL UPDATE

T37.8

Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics

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
T37.8XPoisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasiticsCategory
T37.8X1Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional)Category
T37.8X1APoisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), initial encounterBillable
T37.8X1DPoisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), subsequent encounterBillable
T37.8X1SPoisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), sequelaBillable
T37.8X2Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harmCategory
T37.8X2APoisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, initial encounterBillable
T37.8X2DPoisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, subsequent encounterBillable
T37.8X2SPoisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, sequelaBillable
T37.8X3Poisoning by other specified systemic anti-infectives and antiparasitics, assaultCategory
T37.8X3APoisoning by other specified systemic anti-infectives and antiparasitics, assault, initial encounterBillable
T37.8X3DPoisoning by other specified systemic anti-infectives and antiparasitics, assault, subsequent encounterBillable
T37.8X3SPoisoning by other specified systemic anti-infectives and antiparasitics, assault, sequelaBillable
T37.8X4Poisoning by other specified systemic anti-infectives and antiparasitics, undeterminedCategory
T37.8X4APoisoning by other specified systemic anti-infectives and antiparasitics, undetermined, initial encounterBillable
T37.8X4DPoisoning by other specified systemic anti-infectives and antiparasitics, undetermined, subsequent encounterBillable
T37.8X4SPoisoning by other specified systemic anti-infectives and antiparasitics, undetermined, sequelaBillable
T37.8X5Adverse effect of other specified systemic anti-infectives and antiparasiticsCategory
T37.8X5AAdverse effect of other specified systemic anti-infectives and antiparasitics, initial encounterBillable
T37.8X5DAdverse effect of other specified systemic anti-infectives and antiparasitics, subsequent encounterBillable
T37.8X5SAdverse effect of other specified systemic anti-infectives and antiparasitics, sequelaBillable
T37.8X6Underdosing of other specified systemic anti-infectives and antiparasiticsCategory
T37.8X6AUnderdosing of other specified systemic anti-infectives and antiparasitics, initial encounterBillable
T37.8X6DUnderdosing of other specified systemic anti-infectives and antiparasitics, subsequent encounterBillable
T37.8X6SUnderdosing of other specified systemic anti-infectives and antiparasitics, 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.