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Labcorp Oklahoma, Inc.
Test Directory


Index:

Apolipoprotein A1 and B

Order Name APO A1 B
Test Number: 2014950
Revision Date 04/26/2021
Test Name Methodology LOINC Code
Apolipoprotein A1
Turbidometric 1869-7 
Apolipoprotein B
Turbidometric 1871-3 
Apolipoprotein B/A Ratio
1874-7 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Serum Clot Activator SST Refrigerated
Alternate 1 1 mL (0.5) Plasma Lithium Heparin PST (Light Green Top) Refrigerated
Instructions Patient Preparation: Freshly drawn fasting specimen.
Separate serum/plasma from cells ASAP or within 2 hours of collection.
Unacceptable Conditions: Hemolyzed specimens.
Stability: Ambient: 8 hours; Refrigerated: 8 days; Frozen: 3 months
GENERAL INFORMATION
Testing Schedule Mon - Fri 
Expected TAT 2-3 Days  
CPT Code(s) 82172X2
Lab Section Chemistry