Fatty Acid Profile, Essential, Serum

Test ID: ZG612

CPT code: 82542
LOINC:
Specimen Type: Red, SST , Lav (EDTA), or Green heparin
Frequency: 9 – 13 days
Instructions: 0.5 mL Serum or Plasma from Lav (EDTA), or Green heparin, Red Top or Serum Separator, Frozen, Separate within 45 minutes. Min 0.15 mL.
Text: Identification of patients with essential fatty acid deficiency, evaluation of nutritional status, and diet monitoring. For evaluation of long-term nutritional status and in cases when fasting is not possible (ie, infants, patients at risk for metabolic derangement), consider Fatty Acids Profile, Essential Red Blood Cells.
Methodology: Quantitative gas chromatography/mass spectrometry/stable isotope dilution

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