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Test Code FLMA Fetal Lung Maturity Assay II, Amniotic Fluid

Methodology

Fluorescence Polarization Immunoassay (FPIA)

Performing Laboratory

Munson Medical Center Laboratories

Specimen Requirements

Specimen must arrive within 30 minutes of collection.

 

6 mL of amniotic fluid. Centrifuge at 1,000 rpm for 3 minutes in original or detergent-free container. Transfer entire supernatant to a detergent-free container. Send supernatant specimen refrigerated within 4 hours of collection. If there is a delay in transport of >4 hours, send specimen frozen in plastic vial.

Note: 1. Specimen source is required.

2. Label specimens appropriately (sediment and supernatant).

3. If bilirubin is also ordered, specimen must be protected from light.

Reference Values

Immature: <40 mg/g

Transitional: 40-50 mg/g

Mature: >50 mg/g

Interpretation of results by clinician should include consideration of clinical factors.

 

If result is 40-50 mg/g, #8929 Fetal Lung Profile, Amniotic Fluid will be performed at Mayo Medical Laboratories.

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

83663