Test Code AST Aspartate Aminotransferase
Alias
AST
SGOT
Collection Method
Venous Collection
Container
Light Green Lithium Heparin tube
Instructions/Special Handling
None
Preferred Specimen
Light Green (Lithium Heparin) Plasma
Acceptable Specimes
- Serum
- Gold SST tube
- Red tube
- Plasma
- Light Green lithium heparin
- Lavender EDTA
Units
Units/L
Reference Ranges
| 0 minutes - 5 days | 35 - 140 Units/L |
| 5 days - 12 years | 10 - 60 Units/L |
| 12 years - 18 years | 10 -50 Units/L |
| Adult Male (>18 years) | 10 - 50 Units/L |
| Adult Female (>18 years) | 10 - 45 Units/L |
Critical Values
N/A
Reasons for Rejection
| Hemolysis | Grossly Hemolyzed |
| Icterus | N/A |
| Lipemia | Grossly lipemic samples will be ultrafuged prior to reporting |
| Other | QNS, Contaminated, Improperly labeled, Improper specimen type |
Specimen Stability
| Ambient (15-25°C) | 4 days |
| Refrigerated (2-8°C) | 7 days |
| Frozen (-20°C) | 3 months |
Performing Site
Boone Health Laboratory
Performance Information
| Days/Times Performed | Daily 24/7 |
| Expected Turn around Time | Same day |
| Methodology/Method Description | Roche Cobas - Enzymatic Absorbance assay |
CPT Code(s)
84450
Panel Components
N/A