Serotonin (LABCORP)

Test Code

99901000428

Alias/See Also

LAB121: 5 Hydroxytryptamine, Serum | LABCORP EAP: 120204

CPT Codes
84260x1

Preferred Specimen

LABCORP LAB: RED TOP - PLAIN (Frozen) Min Vol: 1.5

Other Acceptable Specimens

LABCORP LAB: MICRO RED: (Frozen) Min Vol: 1.5

Transport Temperature

Test Includes: Enzyme immunoassay (EIA) to measure functional activity. This method provides C1 esterase function activity as a percentage of mean normal activity. Specimen: Serum or plasma, frozen Volume: 0.5 mL Minimum Volume: 0.1 mL Container: Red-top tube or lavender-top (EDTA) tube Collection: Separate serum or plasma from cells and transfer to a plastic transport tube before freezing. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested. Storage Instructions: Freeze (A serum sample should not be stored at room temperature [15°C to 30°C] for longer than six hours. EDTA plasma may be held at room temperature for 24 hours.)

Report Available

LABCORP LAB
STAT: 5760 min
Routine: 5760 min
Extended TAT: No TAT min
Timed: 5760 min
Life or Death: 5760 min

Last Updated: March 6, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.