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Test Code APO B Apolipoprotein B

Clinical System Name

Apolipoprotein B


Apo B

Sample Requirements

Specimen: Whole Blood

Container(s): Red or Gold SST or Gold Microtainer or Dark Green/Sodium Heparin

Preferred Vol: 2.0 mL

Minimum Vol: 1.0 mL


Note: Sample must be processed within 2 hours of collection.

Processing Instructions

Reject due to

Spin: Y

Aliquot: Y

Temp: 2 - 4 C

Storage location: Spin blood within 2 hours of collection, aliquot 1 mL serum/plasma in a plastic tube affixed with a large computer label. Place specimen in the CPA refrigerator 1 send-outs rack.


Off-site collection: Spin, aliquot and refrigerate serum/plasma within 2 hours of collection. Transport refrigerated.


Specimen Type Temperature Time
Serum Room temp  
  Refrigerated 7 d
  Frozen 1 y



STAT Performed TAT
N Daily 5 - 7 d


Performing Laboratory

University of Washington

Dept of Laboratory Medicine

1959 NE Pacific St, NW220
Seattle, WA 98195


Phone Number: (206) 520-4600


Department:  Send Outs

Phone Number: (206) 987-2563



Reference Range



Age Female Male
2 - 17 y 44 - 112 44 - 112
18 y - 61 - 150 63 - 152

Units: mg/dL




Method: Turbidimetric

Analytical Volume: 0.5 mL serum or plasma


CPT Codes



Send Out Instructions


Reference Test Name: Apolipoprotein B
Reference Test Number: APOB
Instructions: Send out M - Fwith the UW courier.