Serotonin, Serum

Primary unit: ng/mL
LOINC codes: 27057-9
Tests that measure Serotonin, Serum: Labcorp 1, Quest Diagnostics 1

Tests

Check the catalog code, specimen, method and preparation for every test that measures Serotonin, Serum. Select up to five tests to compare them side by side.

Labcorp 1 test

Single-analyte tests

Serotonin 120204
Serum · Fasting not stated · Turnaround 3 - 5 days
Method and collection
Method
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Preparation
Monoamine oxidase inhibitor drugs should be discontinued for at least one week prior to sampling since they tend to increase the level of serotonin.
Collection
Separate serum from cells within 30 minutes of collection and transfer to a plastic transport tube. Serum can be transported at room temperature or frozen. If collecting a frozen sample, transfer to a plastic transport tube before freezing. To avoid delays in turnaround time when requesting multiple test on frozen samples, please submit separate frozen specimens for each test requested.
Reference notes
See table. Age (y) Male (ng/mL) Female (ng/mL) 0 to 12 y 46−321 22−271 13 to 60 y 31−207 31−207 >60 y 23−230 8−217 Reference Interval developed by in-house study.
Labcorp catalog page

Quest Diagnostics 1 test

Single-analyte tests

Serotonin, Serum 29851
Serum · Fasting not stated · Turnaround Set up: Mon, Wed, Fri (p.m.)
Method and collection
Method
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Preparation
Patient should avoid food high in indoles: avocado, banana, tomato, plum, walnut, pineapple, and eggplant. Patient should also avoid tobacco, tea, and coffee for 3 days before specimen collection.
Collection
Spin and freeze serum below -20° C within 2 hours after collection
Reference notes
56-244 ng/mL
Quest Diagnostics catalog page

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Sources

Labcorp test catalog
1 test: codes, specimens, methods, preparation and reference intervals.
Quest Diagnostics test catalog
1 test: codes, specimens, methods, preparation and reference intervals.
LOINC 27057-9
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for Serotonin, Serum
Registered studies that measure Serotonin, Serum, on the U.S. National Library of Medicine registry.

Verify these ranges and sources

We compile this page from named laboratory catalogs, guidelines and studies. Labs calculate reference intervals from the people they test, for one assay method and one population group, so an interval describes that population rather than an optimal target.

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