Test Overview
Test Methodology
Gas Chromatography/Mass Spectrometry (GC/MS)
Reference Range *
Hydrocodone, unconjugated: 10 - 100 ng/mL; Hydromorphone, unconjugated: 1 - 30 ng/mL; Dihydrocodeine, unconjugated: not established.
Test Details
Days Set Up
Tuesday - Saturday
Analytic Time
5 - 11 days
Soft Order Code
MMLR
Synonyms
- Hydromorphone, Serum
- Dilaudid
- Dihydrocodeine, Serum
Laboratory
Sendout
Reference Laboratory
Mayo FHMTB (MedTox 45004)
Section
Special Testing
Specimen Requirements
Collection Instructions
Collect a trough specimen in a green top or red top tube; do not use SST tube. Centrifuge, aliquot plasma or serum into a plastic vial and refrigerate.
Normal Volume
5 mL plasma or serum
Minimum Volume
1 mL plasma or serum
Rejection Criteria
SST or PST tube not acceptable.
Additional Information
Test sent to Mayo Medical Laboratories; performed by MedTox Laboratories.
Billing
CPT Code
80361
NY State Approved
No