Test Code GLUC Glucose, Plasma or Serum
Additional Codes
- Expanse Test Name:Glucose, S
- Medinet Ref Code:GLUC
- OV Code:CHEM*GLUC
Performing Laboratory
St. Lukes Hospital Laboratory
Methodology
Enzymatic/Hexokinase
Specimen Requirements
Separated specimens may be stored for up to 8 hours at 25°C or for up to 3 days at 4°C
Specimens should be spun as soon as possible.
Submit only 1 of the following specimens:
Plasma
Draw blood in a green-top (lithium heparin) plasma gel tube(s). Spin down and send 1 mL of lithium heparin plasma refrigerated.
Note: 1. Indicate plasma on request form.
2. Label specimen appropriately (plasma).
Serum
Draw blood in a serum gel tube(s). Spin down and send 1 mL of serum refrigerated.
Note: 1. Indicate serum on request form.
2. Label specimen appropriately (serum).
Reference Values
Fasting: 60-99 mg/dL
Critical values (automatic call-back): <40 mg/dL or >400 mg/dL
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
CPT: 82947
LOINC: 2345-7