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HelpTest ID FPYD Pyridostigmine, Serum/Plasma
Specimen Required
***Must submit one specimen per order. Specimens cannot be shared between multiple orders.***
Submit only 1 of the following specimens:
Specimen Type: Serum
Collection Container/Tube: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 5 mL
Collection Instructions:
1. Draw blood in a plain, red-top tube(s). Serum gel tube is not acceptable.
2. Centrifuge and freeze immediately. Send 5 mL of serum frozen in a plastic, preservative-free vial.
3. Label specimen appropriately (serum).
Specimen Type: Plasma
Collection Container/Tube:
Preferred: Lavender-top EDTA)
Acceptable: Green-top (Heparin)
Submission Container/Tube: Plastic vial
Specimen Volume: 5 mL
Collection Instructions:
1. Draw blood in a lavender-top (EDTA) or green-top (Heparin) tube(s). Plasma gel tube is not acceptable.
2. Centrifuge and freeze immediately. Send 5 mL of plasma frozen in a preservative-free plastic vial.
3. Label specimen appropriately (plasma).
Method Name
Gas Chromatography (GC)
Reporting Name
PyridostigmineSpecimen Type
VariesSpecimen Minimum Volume
2.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Varies | Frozen | 21 days |
Reference Values
Reporting limit determined each analysis
30-125 ng/mL plasma in myasthenia gravis patients restores normal neuronal transmission.
Day(s) Performed
Monday through Sunday
Report Available
9 to 11 daysPerforming Laboratory
NMS LabsTest Classification
This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the U.S. Food and Drug Administration.CPT Code Information
80375