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HelpTest Code GLU3H Glucose Tolerance, 3 Hour, Plasma
Useful For
Definitive diagnosis of gestational diabetes mellitus using a 3-hour glucose tolerance test
This test is not recommended for the diagnosis of type 1 or type 2 diabetes
Profile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| GL00 | Glucose Tol, Baseline, P | No | Yes |
| GL001 | Glucose Tol, 1 hr, P | No | Yes |
| GL002 | Glucose Tol, 2 hr, P | No | Yes |
| GL003 | Glucose Tol, 3 hr, P | No | Yes |
Method Name
Enzymatic Photometric Assay
Reporting Name
Glucose Tol, 3 hr, PSpecimen Type
Plasma NaFl-KOxSpecimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma NaFl-KOx | Refrigerated (preferred) | 72 hours | |
| Ambient | 8 hours |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
Reference Values
GLUCOSE TOLERANCE, BASELINE:
<95 mg/dL
GLUCOSE TOLERANCE, 1 HOUR:
<180 mg/dL
GLUCOSE TOLERANCE, 2 HOUR:
<155 mg/dL
GLUCOSE TOLERANCE, 3 HOUR:
<140 mg/dL
Performing Laboratory
MCHS- MankatoTest Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
Baseline and 1-hour collections-not assigned
82951-2-hour glucose
82952-3-hour glucose
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| GLU3H | Glucose Tol, 3 hr, P | 50608-9 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| GL00 | Glucose Tol, Baseline, P | 1547-9 |
| GL001 | Glucose Tol, 1 hr, P | 1501-6 |
| GL002 | Glucose Tol, 2 hr, P | 1514-9 |
| GL003 | Glucose Tol, 3 hr, P | 1530-5 |
Day(s) Performed
Monday through Sunday