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ICD-10-CM · FY 2026 APRIL UPDATE

T43.22

Poisoning by, adverse effect of and underdosing of selective serotonin reuptake inhibitors

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
T43.221Poisoning by selective serotonin reuptake inhibitors, accidental (unintentional)Category
T43.221APoisoning by selective serotonin reuptake inhibitors, accidental (unintentional), initial encounterBillable
T43.221DPoisoning by selective serotonin reuptake inhibitors, accidental (unintentional), subsequent encounterBillable
T43.221SPoisoning by selective serotonin reuptake inhibitors, accidental (unintentional), sequelaBillable
T43.222Poisoning by selective serotonin reuptake inhibitors, intentional self-harmCategory
T43.222APoisoning by selective serotonin reuptake inhibitors, intentional self-harm, initial encounterBillable
T43.222DPoisoning by selective serotonin reuptake inhibitors, intentional self-harm, subsequent encounterBillable
T43.222SPoisoning by selective serotonin reuptake inhibitors, intentional self-harm, sequelaBillable
T43.223Poisoning by selective serotonin reuptake inhibitors, assaultCategory
T43.223APoisoning by selective serotonin reuptake inhibitors, assault, initial encounterBillable
T43.223DPoisoning by selective serotonin reuptake inhibitors, assault, subsequent encounterBillable
T43.223SPoisoning by selective serotonin reuptake inhibitors, assault, sequelaBillable
T43.224Poisoning by selective serotonin reuptake inhibitors, undeterminedCategory
T43.224APoisoning by selective serotonin reuptake inhibitors, undetermined, initial encounterBillable
T43.224DPoisoning by selective serotonin reuptake inhibitors, undetermined, subsequent encounterBillable
T43.224SPoisoning by selective serotonin reuptake inhibitors, undetermined, sequelaBillable
T43.225Adverse effect of selective serotonin reuptake inhibitorsCategory
T43.225AAdverse effect of selective serotonin reuptake inhibitors, initial encounterBillable
T43.225DAdverse effect of selective serotonin reuptake inhibitors, subsequent encounterBillable
T43.225SAdverse effect of selective serotonin reuptake inhibitors, sequelaBillable
T43.226Underdosing of selective serotonin reuptake inhibitorsCategory
T43.226AUnderdosing of selective serotonin reuptake inhibitors, initial encounterBillable
T43.226DUnderdosing of selective serotonin reuptake inhibitors, subsequent encounterBillable
T43.226SUnderdosing of selective serotonin reuptake inhibitors, 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.

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ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.