Cyclobenzaprine (Flexeril) Drug Level
Label Mnemonic: CYCLO
Epic Lab Code: LAB2959
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
Serum or Plasma
Collection Medium:
and
Green top tube 4 mL (Na Heparin) Green top tube 4 mL (Na Heparin)
Alternate Collection Media:
Red top tube 5 mL (Clot Activator)
Minimum:
Preferred minimum: 2.0 mL serum or plasma
(Suggest drawing TWO 4 mL Green top tubes)
Rejection Criteria:
Gel separator tubes.
Delivery Instructions:
Deliver to laboratory immediately after collection.
Turn Around Time:
1 week upon receipt at reference laboratory 3 days upon receipt at reference laboratory
Reference Range:
10-30 ng/mL
Critical Value: 100 ng/mL
Comments:
Trough levels are most reproducible. Indicate specimen type on request form and label specimen appropriately.
Methodology:
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
CPT Code:
80369