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Aspartate Aminotransferase (AST/SGOT), Plasma or Serum
Test Code239
CPT Codes
84450
Preferred Specimen
Submit only 1 of the following specimens:
Plasma
Container/Tube: Green-top (heparin) tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of plasma
Collection Instructions: Avoid hemolysis. Note: 1. Indicate plasma. 2. Label specimen appropriately (plasma).
Serum
Container/Tube: Serum gel tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of serum
Collection Instructions: Avoid hemolysis. Note: 1. Indicate serum. 2. Label specimen appropriately (serum).
Plasma
Container/Tube: Green-top (heparin) tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of plasma
Collection Instructions: Avoid hemolysis. Note: 1. Indicate plasma. 2. Label specimen appropriately (plasma).
Serum
Container/Tube: Serum gel tube(s)
Specimen Volume: 3 mL (minimum volume: 0.5 mL) of serum
Collection Instructions: Avoid hemolysis. Note: 1. Indicate serum. 2. Label specimen appropriately (serum).
Minimum Volume
Pediatric volume: 0.2 mL
Instructions
Venipuncture should occur prior to sulfasalazine and/or sulfapyridine adminstration due to the potential for falsely depressed results.
Transport Temperature
Refrigerate
Methodology
Transamination/Malate Dehydrogenase/Lactate Dehydrogenase (LD
Setup Schedule
Monday through Sunday
Reference Range
1-30 days: 16-74 U/L
1 month-3 years: 6-30 U/L
>=3 years: 15-37 U/L
1 month-3 years: 6-30 U/L
>=3 years: 15-37 U/L
Performed By
CoxHealth
