Abbrev Code:PRIMPH   
Order Code:LAB485Order Name:Primidone
Order Instructions:Order PHENO once per sample.
CPT Codes: 80188 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 1 day.

Collection Instructions

Optimal Volume:2 mL
Minimum\Peds Volume:0.7 mL
Container:Red (no gel)
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


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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