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Test Code
MYSL
Test Name
Primidone
CPT Codes
80184, 80188
Expected Turnaround Time
Same day
Clinical Utility

Useful for monitoring therapy and assessing toxicity.

Testing includes quantitation of:

  • Mysoline (primidone)
  • Phenobarbital (metabolite of primidone)
Specimen and Container Info

Specimen

Container

Volume

Serum

Red Top, Plain*

1 mL

Serum

Gold Top, Serum Separator 

1 mL

Plasma

Dark Green Top (Lithium Heparin) 

1 mL

Plasma

Light Green Top, Plasma Separator 

1 mL

*Preferred Specimen 
Processing and Submission Instructions
  1.  Centrifuge specimens for 5 minutes at 3000 rpm.
  2. Transfer serum or plasma to a plastic aliquot tube.
Transport Instructions

Transport to the laboratory refrigerated. 
Methodology
Enzyme Immunoassay (EIA)
Reference Intervals

Age

Analyte

Reference Interval

Units

All Ages

Primidone

5.0 - 12.0

µg/mL 

All Ages

Phenobarbital

15.0 - 40.0

µg/mL 
Performing Location
Redeemer Health, Roble Road Core Laboratory
Alternate Names
Primidone
Testing Schedule
Routine daily, STAT testing available
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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