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Lab Test Dictionary

Ethosuximide (214)

Methodology

Immunoassay (IA)

Synonyms

Zarontin

Specimen Type

Serum or Plasma

Performing Lab

Quest Diagnostics Valencia

Epic ID

LAB00961

Lab Test Days

Monday-Saturday

Standard TAT

1-2 Days

Collection Information

Specimen Required

1-2 mL Blood

Container Type

Red Top (No Additive)

Collection Instructions

Plasma collected in an EDTA (lavender-top) or sodium heparin (green-top) tube is also acceptable. Collect as a trough just prior to next dose.

Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Frozen-OK/Ambient-OK

Specimen Stability

Room Temp: 5 Days; Refrigerated: 14 Days; Frozen: 35 Days

Rejection Criteria

Gel barrier/serum separator tube (SST)

Test Volume Required

1 mL Serum or Plasma

Minimum Test Volume

0.5 mL Serum or Plasma

CPT Codes

80168

Revised

12-01-19