Test Code GLU PP Glucose, 2hr Post Prandial
Additional Codes
LAB13108
Performing Laboratory
Central Peninsula Hospital
Collection Method
Venipuncture
Container
Lt Green / Plasma Separator / Lithium Heparin
Specimen Type
Preferred
- Plasma- Light Green Top
Acceptable
- Serum- Gold Top SST or Red Top
- NaF/K-Oxalate (gray top tube)
Minimum Volume
0.5ml
Specimen Stability
| Ambient | 8 hours |
| Refrigerated (4°C to 8°C) | 3 days |
| Frozen(-40°C to 0°C) | N/A |
3 days at 15-25°C only fluoride plasma (grey top)
Reference or Target Ranges
65-139 mg/dL
According to the American Diabetes Association, a glucose value between 140 and 199 mg/dL is consistent with impaired glucose tolerance. A glucose value equal to or greater than 200 mg/dL is consistent with a diagnosis of Diabetes Mellitus if confirmed with another test.
Reportable Units
mg/dl
Critical Value
<50 mg/dL or >500 mg/dL
Reasons for Rejection
| Hemolysis Threshold | 1000 mg/dL |
| Icterus Threshold | 60 mg/dL |
| Lipemia Threshold | 1000 mg/dL |
| Other | QNS, contaminated, improperly labeled, improper specimen type |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time |
Stat: 1 hour Routine: 4 hours |
| Stat Availability | Yes |
| Performing Bench | CPH Chemistry |
| Methodology/Method Description | Roche Cobas |
CPT Codes
82950
Last review/edit date
2025