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Fetal Lung Profile, Amniotic Fluid
Test CodeFLP
Alias/See Also
FLP / LS Ratio / lecithin-sphingomyelin / PG
CPT Codes
83661, 84081
Includes
L/S ratio and PG with Interpretation
Preferred Specimen
10 mL of amniotic fluid
Minimum Volume
3.0 mL of amniotic fluid
Instructions
Collection Instructions:
1. Centrifuge at 1,000 rpm or 200 x G for 10 minutes, separate supernatant, and send both supernatant and sediment in separate plastic vials.
2. Label specimens sediment and supernatant
3. Include estimate of duration of pregnancy in weeks.
Transport Container
Sterile screw top container
Transport Temperature
Frozen
Specimen Stability
Room Temperature: 72 hours
Refrigerate: 72 hours
Frozen: 14 days
Refrigerate: 72 hours
Frozen: 14 days
Methodology
Thin Layer Chromatography
Setup Schedule
Once Daily
Report Available
Report available within 36 hours of recepit Mayo Medical Laboratories.
Performing Laboratory
Mayo Medical Laboratories
