Aspartate Transaminase (AST)
Order Name
AST
Test Number: 2004800
Revision Date 04/26/2021
Test Number: 2004800
Revision Date 04/26/2021
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Aspartate Transaminase (AST)
|
Enzymatic | 1920-8 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 1 mL (0.5) | Plasma | Lithium Heparin PST (Light Green Top) | Refrigerated |
| Alternate 1 | 1 mL (0.5) | Serum | Clot Activator SST | Refrigerated |
| Instructions | Specimen Stability: Ambient 4 days. Refrigerated 7 days, Frozen 12 weeks | |||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Daily |
| Expected TAT | 1-2 days |
| Clinical Use | Useful in the diagnosis of liver disease. |
| CPT Code(s) | 84450 |
| Internal Comments | 7/11/17 updated stability - JK |
| Service Provided By |  |
| Lab Section | Chemistry |