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Test Code FQUET Quetiapine (Seroquel)

Reporting Name

Quetiapine (Seroquel), Serum

Performing Laboratory

Medtox Laboratories, Inc.

Specimen Type

Varies


Specimen Required


Submit only 1 of the following specimens:

 

Plasma

Draw blood in a green-top (sodium heparin) tube(s), plasma gel tube not acceptable. Spin down and send 3 mL sodium heparin plasma refrigerated in a plastic vial.

 

Serum

Draw blood in a plain red-top tube(s), serum gel tube is not acceptable. Spin down and send 3 mL of serum refrigerated in a plastic vial.


Specimen Minimum Volume

0.6 mL

Specimen Stability Information

Specimen Type Temperature Time
Varies Refrigerated (preferred) 7 days
  Frozen  180 days
  Ambient  72 hours

Reject Due To

Hemolysis

NA

Thawing

Warm OK; Cold OK

Lipemia

NA

Icterus

NA

Other

NA

Reference Values

Units:    ng/mL

 

Therapeutic and toxic ranges have not been established. Expected steady-state Quetiapine plasma levels in patients receiving recommended daily dosages: 100 - 1000 ng/mL.

 

Day(s) and Time(s) Performed

Monday through Sunday

CPT Code Information

80342

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FQUET Quetiapine (Seroquel), Serum 26776-5

 

Result ID Test Result Name Result LOINC Value
Z1216 Quetiapine (Seroquel), Serum 26776-5

Analytic Time

5 days

Method Name

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)