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Catecholamines Fractionated by LC-MS/MS, Urine Free
Q371
| Methodology: | Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry |
| Performed: | Sun-Sat |
| Reported: | 1-4 days days from receipt of specimen |
| Specimen Required: | Patient Preparation: Drugs and medications may affect results and should be discontinued for at least 72 hours prior to specimen collection, if possible. Collect: 24-hour OR Random urine. Refrigerate 24-hour specimen during collection. – 4 ml Specimen Preparation: Thoroughly mix entire collection (24-hour or random) in one container. Transfer a 4 mL aliquot to a Standard Urine Cup. Storage/Transport Temperature: Refrigerated. Unacceptable Conditions: Specimens preserved with boric acid or acetic acid. Specimens with pH greater than 7. Remarks: Record total volume and collection time interval on transport tube and test request form. Stability: Unpreserved: Ambient: Unacceptable; Refrigerated: 1 week; Frozen: Undefined Components: Creatinine; Dopamine; Norepinephrine; Epinephrine; Norepinephrine, Urine – ratio to CRT; Dopamine, Urine – ratio to CRT; Epinephrine, Urine – ratio to CRT NOTE: * This test is approved for all states. * Performing LabARUP Laboratories |
| CPT Code(s): | 82384 |