Last Modified:
2/2/2023 2:27:19 PM
Medical Necessity Documentation:
Due to reagent backorder, this test will temporarily be sent to Mayo Clinic Laboratories for testing using test “Serotonin Release Assay, Unfractionated Heparin, Mass Spectrometry, Serum (SRAU). Please contact the Lab Sendout department at 266-1600 with questions about this temporary testing change
Client Notes:
Patient Preparation:
Specimen Requirements:
1.0 mL frozen Serum from a Red Top Tube in a Plastic Vial
Collection Instructions:
Minimum Volume:
0.4 mL frozen Serum
Transport & Storage: Temperature/Stability:
6 months Frozen (preferred)
Rejection Criteria:
Room temperature, refrigerated
Reference Range:
A sample is considered negative if there is < 20% release.
Critical Ranges:
Test Comments:
Methodology:
Radiobinding 14C Serotonin Radiolabel
Clinical Significance:
Any patient with an unexplained fall in the platelet count of > 40% during or after cessation of heparin therapy should be suspected of heparin-induced thrombocytopenia (HIT).
Documentation:
Custom Panel:
No
PRODUCTION SCHEDULE
Days Performed:
Monday, Tuesday, Wednesday, Thursday, Friday
Sites Performed:
Quest - Chantilly
PHL Test Code:
SRAUF
EPIC Test Code:
LAB6907
Send Out Test Code:
14627
Alternate Test Names:
Serotonin Release Assay (SRA), Porcine Heparin ; Serotonin Release Assay (SRA), UFH; Serotonin Release Assay Unfractionated Heparin; Serotonin Release Assay, UFH; SRA UFH
Included Tests:
CPT Coding:
86022
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