Theophylline, Serum

Methodology: Immunoassay (IA)

Specimen Requirements: 1 plain, red-top tube (minimum: 1.0 mL of serum). Centrifuge red-top within 30 minutes after draw. Refrigerate specimen after collection. Specimen should be drawn as follows:

NOTE: SST tube is not acceptable.

CPT Information:
80198 –

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