80770:APOLIPOPROTEIN A-1

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80770:APOLIPOPROTEIN A-1
Methodology: Turbidimetric (TURB)
Edit Date: 6/15/2010
Performed: Monday-Saturday
Released: 24-72 hours after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 82172-90
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST). Patient should fast for 12 hours prior to collection.
Handling: Centrifuge and separate serum into a plastic vial. Refrigerate.
Stability: 7 days ambient, 14 days refrigerated, or 2 months frozen.
Standard Volume: 1 mL serum
Minimum Volume: 0.5 mL serum
Transport: Refrigerated.
Comments: Low concentrations of apolipoprotein A-1, the major protein of high density lipoproteins (HDL), are more useful than HDL cholesterol, cholesterol or triglycerides in identifying individual patients with angiographic coronary-artery disease. Low concentrations of apolipoprotein A-1 are also more indicative of CAD when studied in survivors of myocardial infarction.
Rejection Criteria: Moderately or grossly lipemic, icteric, or hemolyzed specimen.
MEDICARE MAY REQUIRE A SIGNED ADVANCE BENEFICIARY NOTICE (ABN) FOR THIS TEST

Reference Range:
128-276 mg/dL