Test Code LAB10093 Alanine Aminotransferase (ALT)
Department
CHEMISTRY
Primary Collection Container
Green PST (Lithium Heparin)
Alternate Collection Container
Green Microtainer PST
Transport
Refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Centrifuge and refrigerate. Remove from cells within 2 hours if not in a gel tube.
Stability
Ambient: 72 hours
Refrigerated: 7 days
Frozen: if >7 days
Minimum Testing Volume
0.5 mL
Reference Range
15-71 U/L
Methodology
Cobas c503 pyridoxal phosphate activation in human serum and plasma.
Performed
Sunday – Saturday
Reported
Varies
CPT Codes
84460
Unacceptable Conditions
Gross hemolysis.
Additional Information
Frozen samples should be thawed only once. Analyte deterioration may occur in samples that are repeatedly frozen and thawed.