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Test Code SEROP Serotonin Release Assay (SRA), LMWH

Specimen Required

1 mL frozen serum

Specimen Minimum Volume

0.4 mL

Specimen Stability

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

Day(s) and Time(s) Performed

Set up: Sun-Fri a.m.; Report available: 1 day

Method Name

Radiobinding 14C Serotonin Radiolabel

Collection Container / Tube

Other Acceptable Container:

Transport Container

Plastic screw-cap vial

Transport / Storage Conditions


Reference Values

See Laboratory Report

CPT Codes


Clinical Reference

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).