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Angiotensin Converting Enzyme
Test Code683
CPT Codes
82164
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Other Acceptable Specimens
Plasma collected in: Sodium heparin (green-top) tube or lithium heparin (green-top) tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 60 days
Refrigerated: 7 days
Frozen: 60 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic
Methodology
Spectrophotometry (SP)
Setup Schedule
Night
Clinical Significance
This test is useful in evaluating patients presenting with sarcoidosis, Gaucher's disease and lymphangiomyomatosis in that the enzyme is increased in these clinical settings.
