Yale New Haven Hospital

Department of Laboratory Medicine
Test Directory

[ Test Name Index ]

[ Home & References ]

3 Hr glucose tolerance test w/ insulin

Lab Section: 

Chemistry

 

Lab Location: 

Main Lab

Test ID: 

LAB5974

 

Methodology: 

Hexokinase-UV, Chemiluminescent Immunoassay

Schedule: 

Mon-Fri: cut off 2:00 pm

Reported: 

1 hour for STAT orders; 4 hours for Routine orders

Specimen Requirements: 

Collection: 3.0 mL Blood each in a Gray Top Tube and Gold Top Tube
Pediatric volume: 1 mL.
Both a Gray Top Tube and Gold Top Tube must be drawn for each interval

 

Notes: 

Includes Baseline, 1 Hour, 2 Hour, and 3 Hour Glucose Tolerance measurements with respective Insulin measurements at each interval

Reference Interval: 

After 100 g oral glucose load

Tests in this Panel: 

Test Name

Reference Interval

Glucose Tolerance, Baseline

Age Limit

Sex

Normal Range

0 Days 999 Years

Any

< 95 mg/dL

Glucose Tolerance, 1 Hour

Age Limit

Sex

Normal Range

0 Days 999 Years

Any

< 180 mg/dL

Glucose Tolerance, 2 Hour

Age Limit

Sex

Normal Range

0 Days 999 Years

Any

< 155 mg/dL

Glucose Tolerance, 3 Hour

Age Limit

Sex

Normal Range

0 Days 999 Years

Any

< 140 mg/dL

 

 

Glucose Tolerance, Baseline Insulin [LRR13767]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

Not Established

Glucose Tolerance, 2 Hour Insulin [LRR13765]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

Not Established

Glucose Tolerance, 3 hour Insulin [LRR13766]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

Not Established

Glucose Tolerance, 1 Hour Insulin [LRR13764]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

Not Established

CPT Code(s): 

82951, 82952, 83525

Last Changed: 

8/30/2017 3:02 PM

Last Reviewed: 

8/30/2017 3:02 PM