Levetiracetam, serum or plasma

Alphabetical Test listing

Levetiracetam, serum or plasma-994

Test name:

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Keppra

Specimen type:

Serum

Collection container:

Red serum vial/tube - 5 mL

Volume:

1.0 mL

Minimum volume:

0.2 mL

Processing instructions:

Allow sample to clot for a minimum of 30 minutes
Spin within two (2) hours of sample collection
Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum

Transport container:

Transfer vial/tube with cap - 12mL (LabCorp)

Alternate specimen type:

Heparin plasma
EDTA plasma

Alternate collection container:

Dk green heparin (Li or Na), no gel

Lavender (EDTA), 4mL

Alternate collection instructions:

Immediately after collection, mix tube thoroughly by gentle inversion, 8 - 10 times, to prevent clotting

Alternate processing instructions:

Spin within two (2) hours of sample collection
Transfer plasma to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as the appropriate plasma type

Transport and stability:

Ambient (preferred) – 14 days

Refrigerated – 7 days

Frozen – 28 days

Freeze/thaw cycles - stable x3

Reason for rejection:

Specimens collected in gel-barrier tubes

Performing lab:

LabCorp Burlington (716936): R-NX

TAT:

2 - 4 days

Method:

Automated Immunoassay

Reference ranges:

10 - 40 ug/mL

CPT codes:

80177

Date created:

02/14/2020

Revised date:

05/19/2025

Review date:

05/19/2025