Lipid Panel Reflex to Direct LDL

Abbrev Code:LIPIDR   
Order Code:LAB3327Order Name:Lipid Reflex to Direct LDL Panel
Order Instructions:Woodwinds: Order LDD; all other sites order: LDLDIR
Synonyms:Lipid Cascade; Direct LDL Cholesterol; BLIPR; Cholesterol; Triglycerides; LO1
Methodology:See individual test listings
CPT Codes: 80061 x1, 80061 x1, 83721 x1, 83721 x1
Test Includes:Cholesterol, triglycerides, HDL cholesterol, LDL cholesterol calculation on measurement.
Turnaround Time:Refer to individual test listings.
Associated Links:

Roche Go Live Schedule

Collection Instructions

Optimal Volume:2.5 mL
Minimum\Peds Volume:0.8 mL
Collection Instructions:Chemistry Tests Containers Chart
Patient Preparation:Fasting or non-fasting samples can be used for risk assessment in primary prevention and for assessment of baseline LDL-C levels before the initiation of a statin primary and secondary prevention. If triglyceride levels are 400 mg/dL or higher, a repeat lipid profile in the fasting state should be performed.

If fasting is needed, please follow the instructions below for preparation:
  • Do not eat 10-12 hours before your appointment if you are coming in fasting for labs on lipids, cholesterol or glucose (sugar). This does not apply to pregnant women.
  • Water, tea or black coffee (with nothing added) is okay. Do not drink other fluids, diet soda or chew gum.
  • If you have concerns about taking your medications, please send a message by clicking on Secure Messaging, Message Your Care Team.
Causes for Rejection:Specimens not centrifuged within two hours of collection.

Processing and Shipping

Specimen Processing:Separate serum/plasma from cells asap. Centrifuge and aliquot 1.25 mL, 0.3 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Roche: Ch, Tr, HDL: 2 days room temperature; 7 days refrigerated; 3 months frozen. LDL: 7 days refrigerated; 3 months frozen.
Vista: 24 hours at room temperature; 7 days refrigerated; 3 months frozen.
Test Performed at or Referral Lab Chemistry  (CSC Maple Grove, Roche-CSC Mpls, Roche-Lakes, Roche-Northland, Roche-UMMC East, Roche-UMMC West, Woodwinds)


Reference Range:Lipid Reference Ranges
For management of blood cholesterol in adults and in children and adolescents, please refer to the newest guidelines on the Management of Blood Cholesterol, published in 2018.
Adult reference ranges for Total Cholesterol, LDL Cholesterol, HDL Cholesterol, Non- HDL Cholesterol and Triglycerides are taken from the National Lipid Association guidelines published in 2004 (National Lipid Association Executive Summary) and the Adult Treatment Panel (ATP) III published in 2001 (Full Report and At-A-Glance Quick Desk Reference).
Pediatric reference ranges for Total Cholesterol, LDL Cholesterol, HDL Cholesterol, Non- HDL Cholesterol and Triglycerides are taken from the 2011 National Heart, Lung and Blood Institute Expert Panel on Integrated Guidelines for Cardiovascular Health and Risk Reduction in Children and Adolescents.  

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