AST
Test Mnemonic
AST
CPT Codes
- 84450 - QTY (1)
LOINC ®
1920-8
Aliases
- Aspartate Aminotransferase
- SGOT
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Plasma | Lithium heparin PST (Lt. Green) | Centrifuge and refrigerate. | Submit in original tube or aliquot specimen into CCL aliquot tube |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Centrifuge and refrigerate. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.4 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 4 days |
| Refrigerated | 7 days |
| Frozen | 3 months |
Days Performed
Sun - Sat
Turnaround Time
8 hours
Methodology
| Name | Description |
|---|---|
| Enzymatic |
Reference Range
| AST | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Male | 18 Years | 99 Years | Normal | 10 - 50 | U/L | Male | 12 Years | 18 Years | Normal | 22 - 44 | U/L | Female | 18 Years | 99 Years | Normal | 10 - 35 | U/L | Female | 12 Years | 18 Years | Normal | 21 - 34 | U/L | Days | 15 Days | Normal | 40 - 175 | U/L | 15 Days | 1 Years | Normal | 28 - 77 | U/L | 1 Years | 7 Years | Normal | 29 - 53 | U/L | 7 Years | 12 Years | Normal | 26 - 45 | U/L |
Special Info
Assay includes pyridoxal phosphate activation.