- YFFACD
Fatty Acids, Free
Specimen:
Test Code
YFFACD
Specimen Name
Fatty Acids, Free
Collect
1-SST
Submit
1 mL (Min: 0.5 mL) Serum CRITICAL FROZEN
Special Handling
Allow serum specimen to clot completely on ice. Serum must be separated from cells and frozen immediately, otherwise lipase continues to break down triglycerides, giving rise to elevated levels of nonesterified (free) fatty acids. Transfer 1 mL serum to a standard transport tube.
Overnight fasting specimen is preferred.
Overnight fasting specimen is preferred.
Rejection Criteria
Specimens collected in EDTA, heparin, sodium fluoride/potassium oxalate, sodium citrate, or ammonium oxalate. Non-frozen specimens.
Stability
Ambient Unacceptable; Refrigerated 4 hours; Frozen 1 month
Methodology
Quantitative Spectrophotometry
Performed
Monday/Wednesday/Friday
Reported
3-7 days
CPT Codes
- 82725
Components
—
Additional Information
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Common Lab Definitions
- Serum
- Plasma
- STT