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Lithium-Trough, Serum
X628
Methodology: | Spectrophotometric |
Performed: | Sun-Sat |
Reported: | 24 hours |
Specimen Required: | Patient Preparation: No special preparation for the patient is required. The patient’s clinicalcondition and dosage regimen may influence the sample collection time. Sample Collection Time: It is recommended that a standardized 12 hrs-post dose serum lithium concentration be used to assess adequate therapy. Peak concentration is reached 2 to 4 hours after oral dosing. Collect: Serum (Red Top Tube) – 0.5 ml serum. Separator Tube (SST) also acceptable. Specimen Preparation: Follow all precaution for handling biological material. Use all appropriate Personal Protective Equipment (PPE). Serum should be separated from cells if storage of more than 4 hours is anticipated. Allow blood samples to clot (15 mins). Separate the serum from the cells by centrifuging for 10 minutes. Storage/Transport Temperature: Refrigerated. Stability: After separation of cells: Refrigerated: 1 week; Frozen: Indefinitely Rejection Criteria: Any sample that is mislabeled; Any broken or damaged tubes. NOTE: * This test is approved for all states. * Performing Lab Accu Reference Medical Laboratory |
CPT Code(s): | 80178 |