Synonyms: TRF

CPT 4 Code: 84466  Limited Coverage Test (NCD)

Test Order Mnemonic: TRANSFERR

Lab: Clinical Chemistry

Request Form: Special Chemistry Form 2

Collection: Routine venipuncture

Storage Instructions: Centrifuge the specimen and separate serum from cells. Refrigerate at 2-8°C for up to 72 hrs. If delivery to the lab is >72 hrs, freeze serum at –20°C.

Causes for Rejection: Gross hemolysis, lipemia of serum

Availability: Samples are received 24 hours per day at Sample Management, Room 5.136 McCullough.

Turnaround Time: Routine: 24 hours; test is performed Monday-Friday

Specimen: Blood

Volume: 7 mL blood

Minimum Volume: 3 mL blood

Container: Preferred: SST (gel barrier) tube; Acceptable: Red-topped tube

Reference Ranges: 200-400 mg/dL

Revised April 2007 by P. Harris

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