Test Code GLU Glucose, Random, Plasma or Serum
Additional Codes
LAB82
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
| Age | Male | Female |
| < 1 week | 40 - 90 | 40 - 90 |
| > 1 week | 65 - 99 | 65 - 99 |
Reportable Units
mg/dl
Critical Value
| 0 up to 1 Week | <40 mg/dL or >500 mg/dL |
| > 1 Week | <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
82947
Last review/edit date
2025