Lipoprotein Quantification by Ultracentrifugation

General Information

Lab Name
Lipoprotein Quantification
Lab Code
RLP2
Epic Name
Lipoprotein Quantification
External Test Id
36435
Description

Includes: Total Cholesterol, Triglycerides, HDL Cholesterol, LDL Cholesterol, VLDL (calculated).

Patient Preparation: Fasting for at least 12 hours is required.

Note: The assay manufacturer, Roche, notes that N-acetylcysteine, when administered in high concentrations (such as for treatment of acetaminophen overdose), can interfere with their assay for HDL cholesterol, leading to falsely low results.

Synonyms
36435, Beta Quant, B Quant, Full Beta Quantification, HDL by Ultracentrifugation, IDL by Ultracentrifugation, LDL by Ultracentrifugation, LDL-measured, VLDL by Ultracentrifugation
Components

Interpretation

Method

Ultracentrifugation • Colorimetric • Enzymatic

Reference Range
See individual components

Ordering & Collection

Specimen Type
Blood
Collection

12 mL blood in RED TOP tubes or GOLD SST

Handling Instructions

Outside Laboratories: Centrifuge samples and transfer 4 mL serum to 2 plastic aliquot vials. Refrigerate serum.

Stability: Refrigerated (preferred): 7 days; Frozen (-20°C): 14 days; Frozen (-70° C): 1 year; Ambient: 24 hours.

Quantity
Requested: 4 mL serum
Minimum: 2 mL serum

Processing

Receiving Instructions

Centrifuge samples and transfer 4 mL serum to 2 plastic aliquot vials. Refrigerate serum.

Sendouts: Order Quest Test: 36435.

Stability: Refrigerated (preferred): 7 days; Frozen (-20°C): 14 days; Frozen (-70° C): 1 year; Ambient: 24 hours.

Misc Sendout

Performance

Lab Department
Sendouts(SO)
Frequency
Set up: Tues, Fri. Report Available: 2-4 days.
Available STAT?
No
Performing Location(s)
Sendout Quest Diagnostics Nichols Institute
800-642-4657

33608 Ortega Highway
San Juan Capistrano, CA 92675

Billing & Coding

CPT Codes
82465, 83701, 84478
LOINC
2576-7
Interfaced Order Code
UOW4827