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449: Nonesterified Fatty Acids (Free Fatty Acids) Print View
Nonesterified Fatty Acids     mmol/L 

PRIMARY
1 Serum 1 (0.3) mL   Refrigerated - 2 Hour(s)/Frozen - 30 Day(s)  
ALTERNATE
  Plasma ACD Sol B 1 (0.3) mL   Refrigerated - 2 Hour(s)/Frozen - 30 Day(s)  
  Plasma ACTH 1 (0.3) mL   Refrigerated - 2 Hour(s)/Frozen - 30 Day(s)  
  3.2% Sodium Citrate   Refrigerated - 2 Hour(s)/Frozen - 30 Day(s)  
  Plasma EDTA 1 (0.3) mL   Refrigerated - 2 Hour(s)/Frozen - 30 Day(s)  
  Plasma, Sodium Fluoride 1 (0.3) mL   Refrigerated - 2 Hour(s)/Frozen - 30 Day(s)  
  Plasma EDTA Trace Metal 1 (0.3) mL   Frozen - 30 Day(s)/Refrigerated - 2 Hour(s)  
  Plasma PTH-RP 1 (0.3) mL   Frozen - 30 Day(s)/Refrigerated - 2 Hour(s)  
  PPT EDTA (White-top)   Frozen - 30 Day(s)/Refrigerated - 2 Hour(s)  
  Royal Blue, no additive   Refrigerated - 2 Hour(s)/Frozen - 30 Day(s)  
  Serum Separator Tube 1 (0.3) mL   Refrigerated - 2 Hour(s)/Frozen - 30 Day(s)  
  Whole Blood (Serotonin) 1 (0.3) mL   Frozen - 30 Day(s)/Refrigerated - 2 Hour(s)  
  Plasma, Sodium Oxalate 1 (0.3) mL   Frozen - 30 Day(s)/Refrigerated - 2 Hour(s)  

The Nonesterified Fatty Acids (Free Fatty Acids) assay is useful in evaluating lipolysis and fatty acid oxidation. Nonesterified Fatty Acids may be useful in the evaluating patients with hypoglycemia and for nutritional assessment.

Serum or plasma should be removed from cells immediately after
collection.

Patient Preparation: Overnight fasting is preferred
Setup Schedule
Tuesday, Thursday

Reported (Analytical Time)
3 days

CPT Code
82725

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Transport Temperature: Frozen
Reject Criteria: Received refrigerated
Methodology: Spectrophotometry, Enzymatic






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