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36435: Lipoprotein Fractionation, Ultracentrifugation [36435x] Print View
Cholesterol, Total     mg/dL 
Triglycerides     mg/dL 
HDL Cholesterol     mg/dL 
LDL Cholesterol     mg/dL 
VLDL Calculated     mg/dL 

PRIMARY
1 Serum Fasting 12 hr 4 (2) mL   Room Temperature - 24 Hour(s)/Refrigerated - 7 Day(s)/Frozen - 14 Day(s)  
ALTERNATE

Patient preparation:

Serum Fasting 12 hr 2 mL

The assay manufacturer, Roche, notes that N-acetylcyteine, 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.
The assay manufacturer Beckman Coulter advises: "N-Acetyl Cysteine
(NAC), when administered in therapeutic concentrations (for the
treatment of acetaminophen overdose), has been...determined to
interfere with assays for...Cholesterol, Uric Acid" where "NAC
interference may lead to falsely low results." According to
Beckman Coulter, the NAC interference should be insignificant by
12 hours after completion of the initial loading dose of an IV
infusion treatment regimen consisting of an initial loading dose
of 150 mg/kg administered over 1 hr, a second dose of 50 mg/kg
administered over 4 hrs and a third dose of 100 mg/kg administered
over 16 hrs.
Setup Schedule
Tuesday, Friday

Reported (Analytical Time)
Next day

CPT Codes
82465,84478,83701

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Specimen Stability: - 70 degrees Celsius; 1 year

Transport Temperature: Refrigerated

Reject Criteria: Received room temperature

Methodology: Ultracentrifugation, Colormetric, Enzymatic






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