CPT code 80332 describes laboratory testing that measures the amount of or detects the presence of one or two serotonergic antidepressant medications in a patient specimen; the service is a toxicology/therapeutic drug monitoring assay typically performed in a clinical laboratory or hospital laboratory setting using blood or urine specimens.

For related coverage guidance, see recent payer policy updates: Epithelial Cell Cytology in Breast Cancer Risk Assessment, Antibody-Drug Conjugates, Chemotherapy Observation or Inpatient Hospitalization (for New Mexico Only).