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HelpTest Code CORTBASE CORTISOL, BASELINE
Additional Codes
LAB2294
Performing Laboratory
Central Peninsula Hospital
Collection Method
Venipuncture
Container
Lt Green / Plasma Separator / Lithium Heparin
Specimen Type
Preferred
- Plasma- Light Green Top (Lithium heparin)
Acceptable
- Serum- Gold Top SST or Red Top
Minimum Volume
0.5ml
Specimen Stability
| Ambient | 24 hours |
| Refrigerated (4°C to 8°C) | 4 days |
| Frozen(-40°C to 0°C) | 12 months |
Reference or Target Ranges
| Cortisol, Baseline |
Comment |
Comment:
6 - 10 AM 4.82 - 19.5 µg/dL
4 - 8 PM 2.47 - 11.9 µg/dL
Reportable Units
µg/dL
Critical Value
Not defined for this assay
Reasons for Rejection
| Hemolysis Threshold | 500 mg/dL |
| Icterus Threshold | 25 mg/dL |
| Lipemia Threshold | 1500 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
80400
Last review/edit date
2025