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Test Code ALT ALT, LAB132

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements


Preferred: Green-top (lithium heparin) tube

Acceptable: Gold-top serum gel tube or plain, red-top tube
Specimen Volume: 0.1 mL of plasma or serum

Stability: 2 – 8 °C and analyzed within 7 days. For longer storage, samples may

                be frozen at -20 °C for up to one month.


Reference Values

0-65 U/L

Useful For

Measurements of ALT are used in the diagnosis and treatment of certain liver diseases (i.e. viral hepatitis and cirrhosis) and heart diseases.

Day(s) Test Set Up

Monday through Sunday


Rate Reaction

Test Classification and CPT Coding