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Test Code FSRA Serotonin Release Assay (SRA), LMWH

Reporting Name

SRA, LMWH

Specimen Type

Serum


Specimen Required


Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable. Spin down and send 1 mL of serum frozen in a plastic vial.


Specimen Minimum Volume

0.4 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Frozen 180 days

Reject Due To

Hemolysis

NA

Thawing

Warm if > 24 hours reject; Cold if > 48 hours reject

Lipemia

NA

Icterus

NA

Other

NA

Reference Values

LMWH SRA Result                    Negative

LMWH Low Dose, 0.1 U/mL       % release

LMWH Low Dose, 1.0 U/mL       % release

LMWH High Dose, 50 U/mL       % release

 

A sample is considered negative if there is: <20% release

Day(s) and Time(s) Performed

Sunday through Thursday

Analytic Time

2 days

Performing Laboratory

Quest Diagnostics Nichols Institute

Test Classification

This test was developed and its performance characteristics have been determined by Quest Diagnostics Nichols Institute, San Juan Capistrano. Performance characteristics refer to the analytical performance of the test.

CPT Code Information

86022

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FSRA SRA, LMWH In Process

 

Result ID Test Result Name Result LOINC Value
Z3626 LMWH SRA Result 50735-0
Z3627 LMWH Low Dose, 0.1 U/mL 50732-7
Z3628 LMWH Low Dose, 1.0 U/mL In Process
Z3629 LMWH High Dose, 50 U/mL In Process

Method Name

Radiobinding 14C Serotonin Radiolabel

Secondary ID

57819