91518 Fatty Acids, Free

Specimen:

Collect:

One 7.5 mL SST

Also Acceptable
One 4 mL Lavender (EDTA)
One 4 mL Blue Top (Na Citrate)
One 10 mL Red Top
One 4 mL Green Top (Na Heparin)

Submit:

1 mL (Min:0.2 mL) Serum. Submit Frozen. Submit in a Standard Transport Tube.

Also Acceptable
1 mL (Min:0.2 mL) Plasma. Submit Frozen. Submit in a Standard Transport Tube.

Special Handling:

Avoid Repeated Freeze/Thaw Cycles
Critical Frozen
Fasting Specimen is Preferred
Separate aliquot required for each frozen test ordered
Separate from cells ASAP
Collect on ice.
Draw in a chilled tube, spin immediately, seperate, and freeze.

Rejection Criteria:

Specimen not submitted frozen
Heparinized specimens

Stability:

Ambient: Unacceptable; Refrigerated: 4 Hour(s); Frozen: 1 Month(s); Incubated: Unacceptable

Methodology:

Quantitative Spectrophotometry

Performed:

Monday, Wednesday, Friday

Reported:

2-5 Day(s)

CPT Codes:

82725

Interpretive Data:

Male Reference Ranges
0 - 4 week(s)	:	0.43-1.37 mmol/L
4 week(s) - 10 year(s)	:	0.50-0.90 mmol/L
10 - 150 year(s)	:	0.10-0.60 mmol/L

Female Reference Ranges
0 - 4 week(s)	:	0.43-1.37 mmol/L
4 week(s) - 10 year(s)	:	0.50-0.90 mmol/L
10 - 150 year(s)	:	0.10-0.60 mmol/L