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HelpTest Code GLUCOSE Glucose, Plasma or Serum
Performing Laboratory
NRL-Chemistry
Methodology
Oxygen Rate
Note: This test is also available as part of #BMP Basic Metabolic Panel, #COMP Comprehensive Metabolic Panel, and #RENAL Renal Function Panel. See Common Panel Test Combinations in Special Instructions to avoid duplicate test requests when multiple panels are ordered.
Specimen Requirements
Submit only 1 of the following specimens:
Specimen Type: Plasma
Container/Tube: Light-green top (lithium heparin)
Specimen Volume: 2 mL
Specimen Minimum Volume: 1 mL
Collection Instructions:
1. Fasting (12-14 hour)
2. Spin down unopened (vacuum intact) tube within 45 minutes of draw.
3. Avoid hemolysis.
4. Label specimen as plasma.
Alternate (Non-Hospital Patient):
Specimen Type: Serum
Container/Tube: Gold top, serum gel
Specimen Volume: 2 mL
Specimen Minimum Volume: 1 mL
Collection Instructions:
1. Fasting (12-14 hour)
2. Spin down unopened (vacuum intact) tube within 45 minutes of draw.
3. Avoid hemolysis.
4. Label specimen as serum.
Alternate (Outreach-Home Health):
Specimen Type: Plasma
Container/Tube: Gray tube (Na Fluoride/K+ Oxalate)
Specimen Volume: 1 mL
Collection Instructions:
1. Fasting patient preferred
2. Draw and send specimen in original tube
3. Avoid hemolysis
Reference Values
PLASMA OR SERUM
1mo-160yrs: 70-199 mg/dL
2 dys-1mo: 50-80 mg/dL
0-2dys: 40-60 mg/dL
Note: Either a fasting plasma glucose > 126 mg/dL or a random glucose >200 mg/dL plus symptoms is diagnostic for diabetes when confirmed on another day. Fasting values >100 mg/dl but <125 mg/dl are diagnostic for impaired fasting glucose.
Critical values (automatic call-back): ≤50 mg/dL or ≥450 mg/dL
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT-45 minutes
Routine-shift
Specimen Transport Temperature
Refrigerate
Test Classification and CPT Coding
82947