Primidone


Sunquest Code:PRIMPH  
Epic Code:LAB485Epic Name:Primidone
Order Instructions:Order PHENO once per sample.
Synonyms:Mysoline
Methodology:Immunoassay
CPT Code:80188
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 1 day.


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.7 mL
Collection Instructions:Trough level is preferred; collect immediately before dose. It is advisable to monitor at the same time in the dosing schedule. Collect peak level 3 hours after oral administration.
Causes for Rejection:Results may be altered if collected in gel tube.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1 mL, 0.24 mL minimum. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:101


Interpretive

Critical Range:Primidone: 15 ug/mL
Reference Range:Primidone: 5-12 ug/mL
Use:Monitor therapeutic dosing and evaluate toxicity. Primidone is metabolized to phenobarbital.


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