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Test Code METHSUX GR Methsuximide Group

Clinical System Name

Methsuximide Group

Synonyms

Celontin

Celontin blood level

Desmethylmethsuximide

Methsuximide and Metabolite

Normethsuximide

Sample Requirements

Specimen: Whole blood

Container(s): Red or Lavender/EDTA

Preferred Vol: 2 mL

Minimum Vol: 1.0 mL

 

Note: Deliver to lab within an hour.

Test includes Methsuximide and Normethsuximide.

Processing Instructions

Reject due to:Gel separator tubes

Spin: Y

Aliquot: Y

Temp: 2 - 4 C

Storage location: Separate serum from cells within TWO hours of collection. Place in CPA refrigerator, Send Out rack.

 

Off-site collection: Separate serum from cells within TWO hours of collection.

Stability

Specimen Type Temperature Time
Serum or Plasma Room temp

5 d

  Refrigerated 2 w
  Frozen

1 m

 

Availability

STAT Performed TAT
N M and Th 1 - 5 d

 

Performing Laboratory

ARUP Laboratories

500 Chipeta Way
Salt Lake City, UT 84108-1221

 

Phone Number: (800) 522-2787

Department

Department: Send Outs
 

Phone Number: (206) 987-2563

 

 

Reference Range

Therapeutic Range Total (methsuximide and normethsuximide): 10-40 µg/mL
Therapeutic Range Methsuximide: < 1 µg/mL
Therapeutic Range Normethsuximide: 10-40 µg/mL
Toxic Level Total (methsuximide and normethsuximide): > 60 µg/mL

 

Methodology

Method: Quantitative Gas Chromatography/Mass Spectrometry

Analytical Volume: 0.5 mL Serum or Plasma

Limitations:

CPT Codes

83858

80299

Send Out Instructions

Reference Test Name: Methsuximide and Normethsuximide, Serum or Plasma
Reference Test Number:

2011531

Instructions:

Send out Monday - Friday with the ARUP courier.