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Test Code LACO Lacosamide, Serum

Reporting Name

Lacosamide, S

Useful For

Monitoring serum concentrations of lacosamide to ensure compliance and appropriate dosing in specific clinical conditions (ie, severe kidney impairment, mild-to-moderate hepatic impairment, and kidney failure)

Method Name

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

Portions of this test are covered by patents held by Quest Diagnostics

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. Collect specimen immediately before next scheduled dose.

2. For sustained-release formulations ONLY, collect specimen a minimum of 12 hours after last dose.

3. Centrifuge and aliquot serum into plastic vial within 2 hours of collection.


Specimen Minimum Volume

0.2 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 28 days
  Ambient  28 days
  Frozen  28 days

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Reference Values

Patients receiving therapeutic doses usually have lacosamide concentrations of 1.0 to 10.0 mcg/mL.

Day(s) Performed

Monday through Saturday

CPT Code Information

80235

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LACO Lacosamide, S 59297-2

 

Result ID Test Result Name Result LOINC Value
62772 Lacosamide, S 59297-2

Report Available

Same day/1 to 4 days

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

NY State Approved

Yes

Forms

If not ordering electronically, complete, print, and send one of the following with the specimen:

-Neurology Specialty Testing Client Test Request (T732)

-Therapeutics Test Request (T831)