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ICD-10-CM · FY 2026 APRIL UPDATE

T36.0X

Poisoning by, adverse effect of and underdosing of penicillins

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
T36.0X1Poisoning by penicillins, accidental (unintentional)Category
T36.0X1APoisoning by penicillins, accidental (unintentional), initial encounterBillable
T36.0X1DPoisoning by penicillins, accidental (unintentional), subsequent encounterBillable
T36.0X1SPoisoning by penicillins, accidental (unintentional), sequelaBillable
T36.0X2Poisoning by penicillins, intentional self-harmCategory
T36.0X2APoisoning by penicillins, intentional self-harm, initial encounterBillable
T36.0X2DPoisoning by penicillins, intentional self-harm, subsequent encounterBillable
T36.0X2SPoisoning by penicillins, intentional self-harm, sequelaBillable
T36.0X3Poisoning by penicillins, assaultCategory
T36.0X3APoisoning by penicillins, assault, initial encounterBillable
T36.0X3DPoisoning by penicillins, assault, subsequent encounterBillable
T36.0X3SPoisoning by penicillins, assault, sequelaBillable
T36.0X4Poisoning by penicillins, undeterminedCategory
T36.0X4APoisoning by penicillins, undetermined, initial encounterBillable
T36.0X4DPoisoning by penicillins, undetermined, subsequent encounterBillable
T36.0X4SPoisoning by penicillins, undetermined, sequelaBillable
T36.0X5Adverse effect of penicillinsCategory
T36.0X5AAdverse effect of penicillins, initial encounterBillable
T36.0X5DAdverse effect of penicillins, subsequent encounterBillable
T36.0X5SAdverse effect of penicillins, sequelaBillable
T36.0X6Underdosing of penicillinsCategory
T36.0X6AUnderdosing of penicillins, initial encounterBillable
T36.0X6DUnderdosing of penicillins, subsequent encounterBillable
T36.0X6SUnderdosing of penicillins, 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.