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HelpTest Code SEROL / 120089-LC SEROTONIN, WHOLE BLOOD
Additional Codes
| Software | Test Code |
|---|---|
| Label Text | SEROL |
| EPIC | LAB20590 |
| LabCorp | 120089 |
Performing Laboratory
Laboratory Corporation of America (LabCorp)
Useful For
Aiding in differential diagnosis of carcinoid syndrome
Method Name
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Reference Values
|
Age (y) |
Male (ng/mL) |
Female (ng/mL) |
|---|---|---|
|
0−12 y |
84−376 |
84−376 |
|
13−17 y |
42−292 |
42−292 |
|
>17 y |
56−248 |
56−248 |
Days and Times Test Performed
Monday through Saturday
Report Available
2 Days
Analytic time for send out tests is the time it will take to perform testing once it has arrived at the performing reference lab. Please add 1 to 2 days from time of collection to allow for receipt at NorDx central lab and shipment of specimen, add another day if specimen is collected on the day before a weekend or holiday.
Specimen Type
Whole Blood
Preferred Container
Lavender Top Tube (EDTA) – Use transport tube (LabCorp N° 33314) containing 75 mg ascorbic acid required prior to transport/ storage. See Specimen Collection and Handling.
Preferred Volume
10 mL EDTA/ascorbic acid mixture (see Collection below)
Specimen Collection and Handling
1. Collect 3 EDTA tubes (4 mL each)
2. Invert tubes at least ten times immediately following collection to ensure thoroughly mixed. 3. Transfer 10 mL whole blood to transport tube containing 75 mg ascorbic acid. 4. Thoroughly mix by inverting whole blood/ascorbic acid mixture ten times. 5. Sample collection practices that prevent blood clotting and oxidation of serotonin are imperative. 6. Discontinue monoamine oxidase inhibitor drugs for at least one week prior to sampling.
To Process:
1. Freeze transport tube immediately and send entire collection to the laboratory.
2. Send sample frozen on dry ice.
Add On Capable
Not Permitted
Advance Beneficiary Notice Requirements
No ABN Required
CPT Code Information
|
CPT Code |
CPT Description |
CPT Disclaimer |
|---|---|---|
| 84260 | Serotonin, Quantitative |
Performing Laboratory Location
Laboratory Corporation of America (LabCorp)
Clinical Significance
To accurately diagnose suspect carcinoid tumors measurements of 5-HT serum/blood, serum chromogranin A, and urinary 5-HIAA should also be performed.
LOINC Code Information
2939-7
Rejection Information
Receipt of non-frozen specimen; specimen stored without preservative