Epic Code LAB468 Diazepam Level
Test Name Alias
Valium Blood Level | 4015
Interface Order Alias
10353
Clinical Information
Test also includes Nordiazepam
Collection Instructions
Specimen Collection: Blood
Container(s): Gray Top (Potassium Oxalate and Sodium Fluoride) or Red top (no additive)
Preferred Volume to Collect: 3.0 mL
Minimum Volume to Collect: 1.0 mL
Neonate Volume to Collect: 1.0 mL
Capillary collect ok? Yes
Microtainer acceptable? Yes
Collection Instructions:
- After collection, gently invert tube 8-10 times.
- Gray Top is preferred tube.
- Specimen should be processed – See Processing Instructions.
Processing Instructions (Laboratory, Outpatient or Off-site collection)
Processed Specimen: Plasma or Serum
Centrifuge/Spin: Yes
Aliquot: Yes
Processing Instructions:
- Gray top:
- Centrifuge after collection
- Pipette plasma into aliquot tubes
- Red top:
- When tubes are clotted (30-45 minutes), centrifuge specimens
- Pipette serum into aliquot tube
Minimum plasma/serum volume: 0.5 mL
Transport Temperature: Ambient
Specimen Stability
Ambient: 72 hours
Refrigerate: 7 days
Frozen: 14 days
Laboratory Retention: 7 days
Test Frequency
Available 24 hours, usual TAT 1-3 days.
STAT TAT 4 hours.
Reference Range
Diazepam Lvl
0.1 – 2.5 mcg/mL
Nordiazepam Lvl
0.1 – 0.8 mcg/mL
Performing Department
TOXICOLOGY
Performing Department Laboratory Location
Spectrum Health Regional Laboratory, Grand Rapids, MI
Methodology
Liquid Chromatography-Mass Spectrometry
This test was developed and its performance characteristics determined by Spectrum Health Toxicology Laboratory. It has not been cleared or approved by the FDA. The laboratory is regulated under CLIA as qualified to perform high-complexity testing. This test is used for clinical purposes. It should not be regarded as investigational or for research.
CPT
80346-LAB-DIAZEPAM
LEVELG6031
HCPCS: G0480
CDM Code
4024015
Epic Test ID
1230100607
LOINC
Diazepam Lvl: 3548-5
Nodiazepam Lvl: 3537-8
Beaker LOINC
DIAZEPAM LEVEL: 3548-5
NORDIAZEPAM LEVEL: 3537-8
Mayo Access Code
SHO4015
Reviewed Date
12/6/2021
Beaker Names
Beaker Procedure Name: DIAZEPAM LEVEL
Beaker Display Name: Diazepam Level
BEAKER TEST NAME:
DIAZEPAM
BEAKER TEST REPORT NAME: Diazepam
Beaker Synonyms
No synonym on file
Beaker Collection and Specimen Handling
BEAKER COLLECTION: +S/PO/A
Beaker Location, Container and Temperature
BW TOXICOLOGY: 6 ML
GRAY TOP
TUBE A (Preferred)-Ambient
BW TOXICOLOGY:
RED TOP
TUBE R (Acceptable)-Ambient