Aspartate Transaminase (AST), Blood - Saskatoon
Discipline
Biochemistry
Overview
Alias
-
Aspartate Aminotransferase
- AST
Specimen Information
Specimen types accepted
-
Plasma
Specimen collection container
-
Preferred collection container: Light green (Lithium Heparin gel)
-
Alternative collection container: Gold (gel) or Red
Required volume
-
Optimal volume: 4.5 mL (full collection tube)
- Minimum volume: 1.0 mL
(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection. )
- Pediatric volume
- Capillary volume: 400 uL
Transport and stability
-
4 hours on cells
- 7 days at 2-8ºC
Rejection criteria
-
Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Performance
Methodology
-
Enzymatic Assay
Days/times performed
| Availability |
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| Testing Site |
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Maximum laboratory time
-
In Hospital reported within 2 hours
- Community urgent and inter-hospital reported within 4 hours
- Community routine reported within 24 hours
Specimen retention time
-
3 days
Last Updated: October 3, 2024