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Beaumont Laboratory

Lipoprotein Electrophoresis

Lipoprotein Phenotype, ARUP #80503, EPIC: LAB6085, SOFT: XLIPE

Instructions

The patient should be fasting for 12-15 hours prior to specimen collection.

Specimen Collection Criteria

Collect (preferred specimen): One Gold-top SST tube.
Also acceptable: One plain Red-top tube.

Physician Office/Drawsite Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 1.0 mL serum refrigerated (2-8°C or 36-46°F). (Min: 0.5 mL)

Rejection Criteria

  • Body fluids.
  • Frozen specimens.
  • Specimens not collected and processed as indicated.

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 24 hours
Refrigerated (2-8°C or 36-46°F): 10 days
Frozen (-20°C/-4°F or below): Unacceptable

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Sendout Laboratory with any questions.

Laboratory

Sent to ARUP Laboratories, Salt Lake City, UT.

Performed

Thursday.
Results available in 2-9 days.

Reference Range

By report.

Test Methodology

Qualitative Electrophoresis/Quantitative Enzymatic/Detergent Solubilization.

Interpretation

  • Interpretation is made by the professional staff.
  • Lipoproteins are separated into the lipoproteins LDL, VLDL and HDL. Sample appearance is included. Based on this information patterns are classified as Fredrickson Types I, IIa, IIb, III, IV or V.
  • When heparin is used as an anticoagulant, altered mobility may occur which causes uncertainty in the quantitation of the lipoprotein fractions.
  • Analysis of improperly collected specimens, or samples obtained from non-fasting patients, may produce misleading results.

Clinical Utility

Lipoprotein phenotype aids in the evaluation of hyperlipidemia to determine abnormal lipoprotein distribution and concentration in the serum.

CPT Code

83700.

Test Codes

ARUP #80503, EPIC: LAB6085, SOFT: XLIPE

Last Updated

10/13/2016

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This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.