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HelpTest Code ALT Alanine Aminotransferase (ALT)
Additional Codes
LAB2363
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
Minimum Volume
0.5ml
Specimen Stability
| Ambient | 3 days |
| Refrigerated (4°C to 8°C) | 7 days |
| Frozen(-40°C to 0°C) | N/A |
Reference or Target Ranges
| Age | Male | Female |
| <1 year | 6-45 | 6-45 |
| >1 year | 7-55 | 7-45 |
Reportable Units
U/L
Critical Value
Not defined for this assay
Reasons for Rejection
| Hemolysis Threshold | 90 mg/dL |
| Icterus Threshold | 60 mg/dL |
| Lipemia Threshold | 150 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
84460
Last review/edit date
2025