Home
HelpCaffeine level, blood
Collection Requirements
Source: blood
Container(s):
- Preferred: Red
- Acceptable: Sodium heparin green
Volume: 1 mL in vacutainer
Turn Around Time
STAT: 2 hours
Routine: 8 hours
Availability
STAT
Routine
Lab Processing Instructions
Specimen: plasma or serum
Spin, separate, and refrigerate
Performing Laboratory
Adele Hall
Adele Hall Lab Section
Toxicology
Instrumentation/Methodology
Enzyme Immunoassay (EIA)
Critical Values
> 50 mg/dL
Reference Ranges
Therapeutic: 5-20 mcg/mL
CPT
80155