Glucose Fasting, Plasma; Glucose, 30 min.,Plasma; Glucose, 1 hr., Plasma; Glucose, 2 hr Plasma; Glucose, 3 hr. Plasma
Please remind patients of the time frame this testing will take, and that they need to be at the drawsite in plenty of time before closing.
Tolerance collections are only performed at Parkview Outpatient Center, 11141 Parkview Plaza Drive, Suite 100 Fort Wayne, IN 46845 Entrance 3
1.0 mL Plasma from a Grey Top Tube - Na Flouride K+ in a Plastic Vial for each of the 5 draws
7 days Ambient
7 days Refrigerated
28 days Frozen
Collect fasting, 30, 60, 120, and 180 minutes after ingestion of 50 g of lactose.
Immediately after a fasting specimen is obtained, have patient ingest a 50 g dose of lactose (supplied by the laboratory) draw subsequent specimens 1/2, 1, 2 and 3 hours later. Label each with the specific draw time.
Please note: Children should receive 1.75 g lactose per kg ideal body weight, up to 50 g.
Record the date and time of collection on EACH specimen and on the request form.
0.5 mL Plasma x 5
Increase of Glucose less than 20 mg/dL over the fasting level is suggestive of an enzyme defect.
4 days
82951 & 82295 x2 (82951 for first 3 specimens, 82952 each additional specimen)