A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Glucose, Plasma, Serum, Spinal Fluid, or Urine
Test CodeCPT Codes
82945-Urine or spinal fluid (if appropriate); 82947-Plasma or serum (if appropriate)
Preferred Specimen
Submit only 1 of the following specimens:
Plasma
Container/Tube: Green-top (heparin) tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of plasma
Collection Instructions: Fasting or nonfasting. Neonate specimen should be collected in heparinized CAPIJECT.
Note: 1. Indicate plasma and as fasting or nonfasting. 2. Label specimen appropriately (plasma and as fasting or nonfasting).
Serum
Container/Tube: Serum gel tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of serum
Collection Instructions: Fasting or nonfasting
Note: 1. Indicate serum and as fasting or nonfasting. 2. Label specimen appropriately (serum and as fasting or nonfasting).
Spinal Fluid
Container/Tube: Sterile vial(s)
Specimen Volume: 1 mL of spinal fluid
Collection Instructions:
Note: 1. Indicate spinal fluid. 2. Label specimen appropriately (spinal fluid).
Urine
Container/Tube: Plastic urine container(s)
Specimen Volume: 25 mL from a 24-hour urine collection
Collection Instructions: No preservative.
Note: 1. 24-Hour volume is required. 2. Follow instructions in Urine Collection in Special Instructions. 3. Indicate urine. 4. Label specimen appropriately (urine).
Instructions
Venipuncture should occur prior to sulfapyridine administration due to the potential for falsely elevated results.
Methodology
Hexokinase
Setup Schedule
Reference Range
FASTING
0-24 hours: 45-115 mg/dL
24 hours-30 days: 55-115 mg/dL
>=30 days: 70-100 mg/dL
Critical values (automatic call-back):
<72 hours: <40 mg/dL or >350 mg/dL
>72 hours: <50 mg/dL or >400 mg/dL
NONFASTING
70-200 mg/dL
Premature and newborn infants 55-115 mg/dL
Critical values (automatic call-back):
<72 hours: <40 mg/dL or >350 mg/dL
>72 hours: <50 mg/dL or >400 mg/dL
SPINAL FLUID
40-75 mg/dL
URINE
<0.5 g/24 hours
Performed By
CoxHealth