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LDL Cholesterol, Direct

Referred out for testing

Source Blood
Mnemonic MISCREFBL

Misc Ref Non-Blood Test Name field: LDL Direct
Specimen Requirements

1 x 4 mL red top tube. 1 x 3.5 mL gold top SST tube is also acceptable.

Minimum 2 mL serum.

Specimen Handling PSC & RRL:
Centrifuge, pour off, and transport serum to DSC. Send specimen in a separate bag with a photocopy of the requisition.

Extra-regional:
Centrifuge, pour off, and freeze serum prior to transport to DSC. Send specimen in a separate bag with a photocopy of the requisition.

DSC:
Freeze specimens upon receipt in lab; ensure frozen specimens do not thaw.
Additional Information

Performed only by request and only if calculated LDL cannot be performed due to elevated triglycerides.

Patient must not consume any alcohol for 24 hours before the specimen is drawn.

Testing Location Mayo Clinic
Testing Frequency
Alternate Name(s)
Reference Interval