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HelpTest Code GTT3H GLUCOSE TOLERANCE GESTATIONAL 3H POST 100G DOSE (FASTING, 1 HR, 2 HR, 3 HR)
Additional Codes
| Software | Test Code |
|---|---|
| Label Text | GTT3H |
| EPIC | LAB10248 |
Performing Laboratory
NorDx Laboratories
Useful For
Diagnosing diabetes mellitus (gestational)
Method Name
Photometric/Hexokinase
Reference Values
Fasting: 70-94 mg/dL
1 hour: 70-179 mg/dL
2 hours: 70-154 mg/dL
3 hours: 70-139 mg/dL
Days and Times Test Performed
Monday through Sunday
Report Available
1 Day
Profile Information
|
Individual Test Description |
|---|
| GLUCOSE, 1 HOUR POST 100G CHALLENGE |
| GLUCOSE, 2 HOURS POST 100G CHALLENGE |
| GLUCOSE, 3 HOURS POST 100G CHALLENGE |
| GLUCOSE, BASELINE (PRE- CHALLENGE) |
Specimen Type
Serum
Preferred Container
Serum Separator Tube (SST)
Preferred Volume
Serum: 1 mL (Serum Separator Tube (SST))
Minimum Volume
Serum: 0.3 mL (Serum Separator Tube (SST))
Specimen Collection and Handling
1. Draw a fasting specimen.
2. Label with required patient identification and collection information, and include “fasting” on the label.
3. After 100g Glucola has been administered draw a specimen at the 1 hour, 2 hour and 3 hour time intervals.
4. Label each tube with required patient identification and collection information, and include the appropriate collection interval on the label.
5. Glucose Tolerance Tests are drawn at NorDx Patient Service Centers Monday through Friday only.
To Process:
Spin specimen, separate from clot within 2 hours of collection and send refrigerated.
Specimen Stability Information
Specimen Type: Serum
Refrigerated: 3 Days
Must be spun/separated within: 2 Hours
Add On Capable
Not Permitted
Advance Beneficiary Notice Requirements
No ABN Required
CPT Code Information
|
CPT Code |
CPT Description |
CPT Disclaimer |
|---|---|---|
| 82951 | Glucose Tolerance Test (GTT), Quantitative, Blood, 3 Specimens (Includes Glucose) | |
| 82952 | Glucose Tolerance Test (GTT), Quantitative, Blood, Each Additional Beyond 3 Specimens |
Keywords
GLUCOSE
GTT
Performing Laboratory Location
NorDx Laboratories
Acceptable Alternative Container(s)
Plasma Separator Tube (PST)
Red Top Tube