Glucose Tolerance (3 Hour)
Order Name
GTT 3/WUA
Test Number: 2002300
Revision Date 01/16/2017
Test Number: 2002300
Revision Date 01/16/2017
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Glucose Fasting
|
Hexokinase | 1558-6 |
|
Glucose Fasting Urine
|
Hexokinase | 16913-6 |
|
Glucose 1 Hour Tolerance
|
Hexokinase | 20438-8 |
|
Glucose 1 Hour Tolerance Urine
|
Hexokinase | 26546-2 |
|
Glucose 2 Hour Tolerance Urine
|
Hexokinase | 26547-0 |
|
Glucose 2 Hour Total
|
Hexokinase | 20436-2 |
|
Glucose 3 Hour Tolerance
|
Hexokinase | 20437-0 |
|
Glucose 3 Hour Tolerance Urine
|
Hexokinase | 26549-6 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 1 mL (0.5) | Plasma | Sodium fluoride (gray top) | Ambient 8 hours. Refrigerated 7 days. |
| Instructions | Fasting overnight and during test. Patient may have water. Draw fasting specimen. Adults: Give 75 gm of glucola. Children: Adjusted amount of glucola to be calculated by lab. Collect urine specimen at the same time as blood. Call (918) 744-2500. | |||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Mon - Fri |
| Expected TAT | 1-2 days |
| Clinical Use | Used for the diagnoses of diabetis type 1 and 2, and in the evaluation of unexplained hyperglycemia. |
| Notes | For more information on this test, access our "Specialized Tests" section. |
| CPT Code(s) | 82951, 82952, 81002x4 |
| Internal Comments | 1/16/17 removed 30 min - changed cpt 82951; 81002x5; 82952x2 to 82951, 82952, 81002x4 |
| Lab Section | Chemistry |