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Quinidine

Quinidine

Alternate Test Name

Cardioquin®, Duraquin®

Epic Mnemonic
Sunquest Mnemonic

LAB192
QDINE

Category

Sendouts

Test Performance Schedule

Sunday-Saturday

Specimen Required

Container

Red top (serum) tube Alternate: Green top (sodium heparin) tube

Volume

Pref. Vol.: 0.5 mL serum or plasma
Min. Vol.: 0.2 mL serum or plasma

Collection Instructions

• Do not use gel-barrier tubes for collection

Trough Levels:
• Collect immediately before next dose
• Document time and type of medication on requisition

Peak Levels:
• Collect 1 1/2 hours after dose if patient receiving quinidine sulfate
• Collect 5 hours after dose if patient receiving quinidine gluconate

Transportation Instructions

Frozen

Stability

After separation from cells:
Room temperature (20-30oC) 8 hours
Refrigerated (2-8oC) 7 days
Frozen (-20oC) 14 days (avoid repeated freeze/thaw cycles)

Causes for Rejection

Gray top (fluoride/oxalate) tubes
Hemolyzed specimens

Remarks

Specimen Processing:
• Serum sample tubes, clot 30 minutes
• Promptly centrifuge 15 minutes
• Immediately transfer Serum or Plasma to separate plastic tube and freeze

Specimen Remarks:
• For Serum, ensure complete clot formation has taken place before centrifugation

CPT Codes

80194

Effective/Revised

02/03/15

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