Lipid Cascade With Reflex to Apolipoprotein B

TEST: 363676
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CPT: 80061. If reflex testing is performed, concomitant CPT codes/charges will apply.
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Special Instructions

If the triglyceride level is >800 mg/dL, a reflex to direct LDL will be performed at an additional charge. If the LDL is <130, a reflex to apolipoprotein B will be performed at an additional charge.

Expected Turnaround Time

Within 1 day

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Related Documents

For more information, please view the literature below.

Apolipoprotein B (ApoB): Refining Cardiovascular Risk Management and LDL Treatment Decisions

Lipid Cascade Brochure

Cardiovascular Care Anchor Brochure

Clinical Lipid Panel Selection Table

Specimen Requirements

Specimen

Serum (preferred) or plasma

Volume

2 mL

Minimum Volume

1 mL

Container

Gel-barrier tube, green-top (heparin) tube, or lavender-top (EDTA) tube

Collection

Separate serum or plasma from cells within 45 minutes of collection.

Storage Instructions

Maintain specimen at room temperature.

Patient Preparation

Patient should be fasting for eight hours.

Causes for Rejection

Hemolysis

Test Details

Limitations

If the triglyceride level is >800 mg/dL, LDL cholesterol will not be calculated.

Methodology

Enzymatic

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
363676 Lipid Cascade w/Rflx to ApoliB 001065 Cholesterol, Total mg/dL 2093-3
363676 Lipid Cascade w/Rflx to ApoliB 011817 HDL Cholesterol mg/dL 2085-9
363676 Lipid Cascade w/Rflx to ApoliB 011852 LDL/HDL Ratio ratio 11054-4
363676 Lipid Cascade w/Rflx to ApoliB 011976 Non-HDL Cholesterol mg/dL 43396-1
363676 Lipid Cascade w/Rflx to ApoliB 001172 Triglycerides mg/dL 2571-8
363676 Lipid Cascade w/Rflx to ApoliB 012059 LDL Chol Calc (NIH) mg/dL 13457-7
363676 Lipid Cascade w/Rflx to ApoliB 011923 LDL Calc Comment: N/A
Reflex Table for Triglycerides
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 120295 LDL Cholesterol (Direct) 120297 LDL Chol. (Direct) mg/dL 18262-6
Reflex Table for Triglycerides
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 120295 LDL Cholesterol (Direct) 011924 LDL Direct Comment: N/A
Reflex Table for LDL Chol Calc (NIH)
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 167015 Apolipoprotein B 167015 Apolipoprotein B mg/dL 1884-6

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The LOINC® codes are copyright © 1994-2021, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf