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Test Code LDLD Low Density Lipoprotein (LDL) Direct LAB102

Performing Laboratory

UnityPoint Finley Hospital

Test Method

Homogeneous enzymatic colorimetric test; Roche cobas Pro

Performance

Testing is performed Monday through Sunday.

Routine: Typically completed within 4 hours after the specimen arrives at the testing site.

STAT: Typically completed within 30 minutes after the specimen arrives at the testing site.

Specimen Requirement

Specimen type and volume:
Lithium heparin plasma (dark green or mint) is the specimen of choice.
EDTA plasma (purple) and serum (red or gold) are also acceptable.

 

A 12 hour fast prior to collection is preferred but not required.

 

Refrigerate the specimen if unable to transport to the lab within 8 hours of collection. It is recommended that the serum or plasma be separated from contact with cells within 2 hours from time of collection. Specimens not centrifuged within 4 hours of collection may be rejected.

Useful For

Cardiovascular risk assessment

Reference Values

  1. Adults: less than (<)100 mg/dL
  2. Pediatric (2-17 years): less than (<) 110 mg/dL

CPT Code Information

83721

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