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Test Code SEROP Serotonin Release Assay (SRA), LMWH

Additional Codes

Epic: LAB3356

Quest: 16284

Specimen Required

Specimen Type: Serum

Collection Container/Type

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Specimen Minimum Volume

0.4 mL

Specimen Stability

Room temperature: 24 hours
Refrigerated: 48 hours
Frozen: 6 months

Reference Range

See Laboratory Report

Day(s) and Time(s) Performed

Sun-Fri a.m.

Report Available

1 day

Clinical Significance

Low molecular weight heparin serotonin release assay (LMWH-SRA) assay may be useful for in-vitro investigation of LMWH-induced thrombocytopenia and/or thrombocytopenia with thrombosis syndrome (HIT/HITT).

Method Name

Radiobinding 14C Serotonin Radiolabel

This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

CPT Code(s)


Performing Laboratory

Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153