Methsuximide Group
Clinical System Name
Miscellaneous Test
Sample Requirements
Specimen: Whole Blood
Container(s): Red or Lavender/EDTA
Preferred Vol: 4.0 mL
Minimum Vol: 1.5 mL
Note: Deliver to lab within one hour.
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 |
2 w |
| Refrigerated | 2 w | |
| Frozen |
2 w |
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
Synonyms
Normethsuximide
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | M and Th | 1 - 5 d |
Methodology
Method: Quantitative Gas Chromatography/Mass Spectrometry
Analytical Volume: 0.7 mL Serum or Plasma
Limitations:
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 |
CPT Codes
83858, 80299
Send Out Instructions
| Reference Test Name: | Methsuximide Metabolite, Serum or Plasma |
| Reference Test Number: |
3000251 |
| Instructions: |
Send out Monday - Friday with the ARUP courier. |