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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.