Apolipoprotein A-1 (ApoA-1)

Fasting Required
CPT: 82172
Lipids

What This Test Measures

Primary protein on HDL particles; reflects HDL functionality; ApoB/ApoA-1 ratio predicts CVD risk.

Preparation

Fasting required (8-12 hours)
Fasting 9–12 hours required for triglycerides and LDL calculation. Recent high-fat meals, alcohol, and illness affect results. Draw in the morning.

General guidelines only. Requirements vary by lab and individual. Confirm with your provider before adjusting any medications.

Turnaround Time

Varies by lab

Clinical Notes

Can be ordered with ApoB for comprehensive apolipoprotein assessment

ICD-10 Codes

Common diagnosis codes associated with this test. Codes are assigned by your provider.

E78.5Hyperlipidemia, unspecified
I25.10Atherosclerotic heart disease of native coronary artery without angina pectoris

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Lab Codes

Proprietary codes used by each lab for this test.

ARUP Laboratories
0050028(order_code)
BioReference Laboratories
0451-5(order_code)
LabCorp
167304(order_code)
Quest Diagnostics
91138(order_code)

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CPT: 82465

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CPT: 83721

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CPT: 84478

Oxidized LDL

CPT: 83519

Small Dense LDL - sdLDL

CPT: 83704

For informational purposes only

This page is for educational and research purposes only and does not constitute medical advice, diagnosis, or treatment recommendations. ICD-10 and CPT codes are assigned by your healthcare provider. Always consult a qualified healthcare provider before ordering any lab test or making decisions about your health.