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Test Code LAB102 Low-density lipoprotein (LDL) Cholesterol (direct)

Important Note

Collect following an overnight (12-14 hour) fast.

Patient must not consume any alcohol for 24 hours prior to specimen being drawn.

Test Name Alias

LDL Cholesterol (direct) Blood Level | 8787

Specimen Requirements

Submit only one of the following specimens:


Preferred
Specimen Type: Plasma
Container/Tube: Mint Green Top (Lithium Heparin Gel)
Volume: 4.5 mL
Minimum volume: 0.5 mL plasma
Collection Instructions: Centrifuge within 2 hours


Acceptable
Specimen Type: Serum
Container/Tube: Gold Top (Serum Separator-SST Gel)
Volume: 5 mL
Minimum volume: 0.5 mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours

Specimen Transport Temperature

Refrigerate

Special Instructions

Collect following an overnight (12-14 hour) fast. Patient must not consume any alcohol for 24 hours prior to specimen being drawn

Specimen Stability

Ambient: 12 hours

Refrigerate: 7 days

Frozen: aliquot plasma/serum for longer storage

Laboratory Retention: 72 hours

Test Frequency

Available daily, usual TAT 1 day.

Reference Range

The National Cholesterol Education Program has set the following guidelines (reference values) for LDLC:

 

Optimal <100 mg/dL
Near Optimal 100-129 mg/dL
Borderline 130-159 mg/dL
High coronary disease (CHD) risk 160-189 mg/dL
Very high CHD risk >189 mg/dL

 

Performing Department

CHEMISTRY

Performing Department Laboratory Location

Spectrum Health Regional Laboratory, Grand Rapids, MI

Methodology

Direct homogeneous Enzymatic Colorimetric

CPT

83721-LAB-LDL CHOL DIRECT

CDM Code

4058118

Epic Test ID

1230100874

Interface Order Alias

10762

Mayo Access Code

SHO8787

LOINC

LDL (Direct): 18262-6

Trig (LDL): N/A

Reviewed Date

10/26/2016