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Fetal Lung Maturity

Source Amniotic Fluid
Mnemonic FLM
Specimen Requirements

8-10 mL amniotic fluid free of maternal urine, marked blood contamination and/or meconium

4 mL minimum volume

Protect from light by using brown bottle for collection, or by wrapping entire container in foil.

Specimen Handling Include patient gestational age and diabetic status, and physician phone number/pager to report results.

State if sample has been contaminated with meconium or blood.


Transport amniotic fluid frozen on dry ice to DSC Referrals (must be received by Referrals no later than 14:00 for same day shipping).  Notify Referrals at 403-770-3285 when sending a specimen.

DSC Accession:
Deliver specimen directly to Referrals before 15:30 Monday-Friday. If received after Referrals hours, store frozen. Do not allow to thaw.
Additional Information
Testing Location DynaLife Dx
Testing Frequency As required
Alternate Name(s) Amniotic Fluid Fetal Lung Maturity; Fluorescence Polarization
Reference Interval