Days Set Up
Tuesday, Thursday
Analytic Time
8 - 16 days
Soft Order Code
MMLR
Test Updated:
Synonyms
Ketalar
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Test Overview
Test Methodology
Gas Chromatography/Mass Spectrometry (GC/MS)
Test Usage
Therapeutic drug monitoring.
Reference Range
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collection Offsite
Collect specimen in a red top tube; do not use SST tube. Centrifuge, aliquot serum into a plastic vial, and refrigerate. EDTA or sodium heparin plasma is also acceptable.
Normal Volume
5 mL serum or plasma
Minimum Volume
2.4 mL serum or plasma
Billing Information
CPT Code
80307
Pro Fee Code
LOINC