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Test Code KEPRAS Levetiracetam, Serum

Important Note

Use Sunquest code KEPPRAS to order

Additional Codes

Also known as KEPPRA level


Specimen Required


Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. Draw blood immediately before next scheduled dose.

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

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


Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-Neurology Specialty Testing Client Test Request (T732)

-General Request (T239)

-Therapeutics Test Request (T831)

Secondary ID

83140

Method Name

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

Specimen Type

Serum

Specimen Minimum Volume

0.5 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

10.0-40.0 mcg/mL

Day(s) and Time(s) Performed

Monday through Friday; Continuously until 2 p.m.

Saturday; Continuously until 1 p.m.

Sunday; 11 a.m.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

80177