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Test Code LAB90190 Serotonin Release Assay, Unfractionated Heparin

Additional Codes



Reporting Name

Unfract. Heparin Dep. Platelet Ab

Performing Laboratory

Bloodcenter of Wisconsin, Inc.

Specimen Type


Specimen Required

Specimen Type: Serum

Container/Tube: Red/ SST acceptable

Specimen Volume: 5 mL

Collection Instruction: Draw blood in a plain, red-top tube, serum gel tube is acceptable. Spin down and remove serum from clot. Ship 5 mL of serum refrigerated in a plastic vial.


Note: Date of birth required.

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 7 days

Reference Values

An interpretive comment included with results.


Day(s) and Time(s) Performed

Monday through Saturday

Test Classification

This test was developed and its performance characteristics validated by BloodCenter of Wisconsin. It has not been cleared or approved by the FDA. However, the FDA has determined that such clearance or approval is not necessary. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions but should not be regarded as investigational or for research. Our Laboratory is certified under the Clinical Laboratory Improvement Amendments (CLIA) as qualified to perform high complexity clinical laboratory testing.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FPORC Unfract. Heparin Dep. Platelet Ab 50736-8


Result ID Test Result Name Result LOINC Value
Z0123 unfractionated heparin Low Dose 50728-5
Z0124 unfractionated heparin High Dose 50727-7
Z0125 unfractionated heparin Result 50734-3

Method Name

Serotonin Release Assay (SRA)