Sign in →

Test ID BLOD0794 Glucose Tolerance 2 Hour

Specimen Type/Requirements

Light Green top (Lithium Heparin w/gel) tube - Plasma (preferred)

Gold top (Serum w/gel) tube - Serum

Red top (Serum w/out gel) tube - Serum
 

Overnight fasting is required. 

Give 75 gram oral glucose load after drawing fasting specimen.

 

Children are to be given 1.75 gram oral glucose dose per kilogram of body weight.  Do not exceed 75 gram glucose dose.  Once the child has reached 95 pounds, the normal adult dosage is given.

 

Properly label each specimen with date and time.

 

Specimen should be centrifuged and separated within 2 hours of collection.

 

Panel includes a fasting glucose and 2 Hour post glucose dose.

 

Test may be affected by gross hemolysis, gross icterus and gross lipemia.

 

Bismarck

Overnight fasting is required.

(1) Draw one Green (Lithium Heparin) Tube or Gold (SST Serum) Tube

(2) Give the patient 75 grams of glucose. This is a standard dose for all adults except obstetric patients. The drink must be consumed within 5 minutes.

(3) Draw one Green (Lithium Heparin) Tube or Gold (SST Serum) Tube at 2 hours after the dose is given. Label each specimen with the time drawn in addition to normal label requirements.

Specimen Volume

 Preferred Volume     1.0 mL  
 Minimum Volume     0.5 mL

Stability/Transport

Sioux Falls, Fargo, Bemidji, Black Hills

 Room Temperature     2 days     
 Refrigerated     7 days     Preferred for transport   
 Frozen     3 months     

Bismarck

 Room Temperature     8 hours     
 Refrigerated     3 days     Preferred for transport   
 Frozen     Not Acceptable     

Performed Test Frequency

Monday through Sunday

Report Available

1 - 3 days

Methodology

Sioux Falls, Fargo, Bemidji, Black Hills

Enzymatic (Hexokinase/G-6-PDH)

Bismarck

Hexokinase

Performing Lab

Sanford Laboratories Sioux Falls, Fargo, Bismarck, Bemidji, Black Hills

CPT

82947, 82950