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 | 
| Lab Section | Chemistry |