Rate (NADH measurement at 340 nm)
Liver function test; frequently elevated in cardiac disease
<1 year: <=70 IU/L, 1-11 years: <=60 IU/L, 12-150 years: <34 IU/L.
STAT requests for this test will be performed on a STAT basis (supervisory staff approval is not required).
Collect specimen in an SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate. Grossly hemolyzed, icteric or lipemic samples are not acceptable for testing.