Test ID: ZH267
CPT code: 82657
LOINC:
Specimen Type: Lav(EDTA)OR Whatman Protein Saver Card 903(dried bld spot)
Frequency: 3 – 14 days
Instructions: 3mL Whole Blood from Lav(EDTA)OR two circles dried bld spot, Refrigerate, submit WB w/i 4 days. Min 1mL WB OR 1 circle dried bld spot
Text: Diagnose Wolman disease and cholesteryl ester storage disease (CESD) caused by LAL deficiency. This test is not appropriate for determination of carrier status, as some clinical conditions may result in indeterminate enzyme activity levels.
Methodology: Determination of enzyme activity against 4-methylumbelliferyl-palmitate