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Test Code APOS Apolipoproteins A1 and B

Important Note

Morning sampling after a 10 - 12 hour fasting is required.

Laboratory Code

LAB3041006

Specimen Requirements

Specimen Type: Serum
Container/Tube: Gold Top (SSTII)    
Volume: 5.0 mL 
Minimum Volume: 0.5 mL serum
Collection Instructions: Fast patient 10 - 12 hours before sample collection. Allow specimen to clot for 30 mins and centrifuge within 2 hrs.

Specimen Stability

Specimen Type Serum
Ambient 3 days
Refrigerate 5 days
Frozen 3 months

Panel Information

Panel includes the following tests:

  • Apolipoprotein A1
  • Apolipoprotein B

Methodology

Immunoturbidimetry

Days and Times Performed

Thursday, TAT 8 days

Specimen Condition

Haemolysis OK
Icterus OK
Gross Lipaemia Alert/Reject
Others Not applicable

Reference Interval

Apolipoprotein A1

≥ 13 yrs: M 1.07 - 1.90; F 1.16 - 1.97 g/L

Apolipoprotein B

≥ 13 yrs: M 0.66 - 1.59; F 0.60 - 1.62 g/L

Testing Laboratory

Department of Pathology
Singapore General Hospital
Outram Road
Singapore 169608
63214950

Useful For

Second line test for the assessment of cardiovascular risk.

Service Code

31171

LOINC Code Information

Apolipoprotein A1 1869-7 
Apolipoprotein B 1884-6 

Alias

APOAB

ApoA1 and Apo B100

Update

Last updated 01/10/2025