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Levetiracetam, Serum

Additional Codes

LAB477


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)

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

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.

Analytic Time

Same day/1 day

Specimen Retention Time

14 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

80177

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LEVE Levetiracetam, S 30471-7

 

Result ID Test Result Name Result LOINC Value
83140 Levetiracetam, S 30471-7