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Heparin-induced Platelet Antibody With Reflex to Serotonin Release Assay

CPT

86022

Synonyms
  • Vaccine-Associated Coagulopathy
  • Vaccine-Induced Immune Thrombotic Thrombocytopenia
  • VITT Antibody Test
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  • Updated on 03/05/2025

Test Details

Methodology

See Individual test descriptions.

Result Turnaround Time

1 - 4 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Related Documents

For more information, please view the literature below.

>Procedures for Hemostasis and Thrombosis: A Clinical Test Compendium

For more information, please view the literature below.

href="https://testmenu.labcorp.com/media/206/download?inline" title="Hemostasis and Thrombosis Test Compendium (L830)">Hemostasis and Thrombosis Test Compendium (L830)

Heparin-induced Thrombocytopenia (HIT) white paper (L13430)

Test Includes

Heparin-induced Platelet Antibody (HIPA) with reflex to Serotonin Release Assay when HIPA value is greater than 0.400 OD Units

Limitations

See Individual test descriptions.

Specimen Requirements

Specimen

Serum, frozen

Volume

2 mL

Minimum Volume

1 mL

Container

Red-top tube or gel-barrier tube

Collection Instructions

Transfer serum to a plastic transport tube. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.

Storage Instructions

Freeze.

Causes for Rejection

Serum not separated from red cells; microbially contaminated, hemolyzed, lipemic, icteric, or heat-inactivated samples

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
150031 Heparin Induced Platelet W/Rfx 73818-7 150079 Heparin Induced Platelet Ab OD 73818-7
Order Code150031
Order Code NameHeparin Induced Platelet W/Rfx
Order Loinc73818-7
Result Code150079
Result Code NameHeparin Induced Platelet Ab
UofMOD
Result LOINC73818-7
Reflex Table for Heparin Induced Platelet Ab
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 150018 Serotonin Release Assay 150014 SRA, Low Dose Heparin % 77728-4
Reflex 1
Order Code150018
Order NameSerotonin Release Assay
Result Code150014
Result NameSRA, Low Dose Heparin
UofM%
Result LOINC77728-4
Reflex Table for Heparin Induced Platelet Ab
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 150018 Serotonin Release Assay 150016 SRA, High Dose Heparin % 50727-7
Reflex 1
Order Code150018
Order NameSerotonin Release Assay
Result Code150016
Result NameSRA, High Dose Heparin
UofM%
Result LOINC50727-7
Reflex Table for Heparin Induced Platelet Ab
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 150018 Serotonin Release Assay 150017 SRA, Interpretation 66488-8
Reflex 1
Order Code150018
Order NameSerotonin Release Assay
Result Code150017
Result NameSRA, Interpretation
UofM
Result LOINC66488-8