Diagnostic Test Directory

Clinical Chemistry Laboratory

Theophylline

  • LIS Mnemonic: THEO

    Collect

    Light Green (PST - Lithium heparin) Satellite locations must send Gold top tube

    Volume Required

    0.5 mL blood

    Minimum Required

    0.2 mL blood

    Transport

    Room temperature

    Stability

    4 hrs room temp, 5 days refrigerated

    Processing

    Centrifuge 3400 rpm for 10 min. Stat spin 4, 5min.Promptly separate plasma from gel.

Days Performed

24/7

Reported

Stat: 45 Min. Routine: 90 Min.

Reflex Testing

N/A

CPT

80198

Methodology

Two Point Rate

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