Lab Testing for Heparin-Induced Thrombocytopenia (HIT) Using SRA, ELISA, or CLEIA Assays

Seeking a laboratory capable of performing specialized assays to investigate heparin-induced thrombocytopenia (HIT). Several samples are expected to be submitted for testing. Laboratories are requested to confirm availability of any of the following assays:

• Warkentin Serotonin Release Assay (SRA) – Functional assay
• GTI/Immucor PF4 IgG – ELISA
• Hyphen ZYMUTEST HIA IgG – ELISA
• Sysmex HISCL HIT IgG – Automated chemiluminescent enzyme immunoassay (CLEIA), preferred method

Laboratories offering one or more of these assays should provide details regarding:

• Sample requirements, including specimen matrix, minimum volume, and storage conditions
• Sample shipping and handling requirements
• Expected testing turnaround time
• Pricing and any associated fees

Please specify which assays are currently available and whether you can accommodate testing of multiple submitted samples.