ACCURATE TEST. FAST RESULTS.

We perform medical diagnostic tests and efficiently provide accurate results that help your physician screen for, diagnose, and manage the treatment of health problems.

LABORATORY TEST DIRECTORY

Carnitine, Free

CPT Code(s): 83789
Specimen Required: Patient Preparation:
Collect:Green (sodium or lithium heparin). Also acceptable: Plain red.
Specimen Preparation:Separate serum or plasma from cells and freeze ASAP or within 2 hours of collection. Transfer 0.5 mL serum or plasma to an RDL Standard Transport Tube and freeze immediately. (Min: 0.2 mL) Avoid hemolysis.
Storage/Transport Temperature:
Stability:After separation from cells: Ambient: Unacceptable; Refrigerated: 12 hours; Frozen: 1 month (avoid repeated freeze/thaw cycles)
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • free carnitineL-Carnitine Free