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FETAL LUNG MATURITY

Test Name  FETAL LUNG MATURITY 
Mnemonic  FLM 
Lab Order Code   
CPT   83663 
Department   
Container  AMNIO VIAL 1 
Alternative Container   
Handling  SPECIMEN REQUIREMENTS: Minimum of 1 ml amniotic fluid obtained via trans-abdominal amniocentesis or from a free flowing or carefully tapped vaginal sample. Stable 72 hours refrigerated or frozen. Do not use samples contaminated with visible blood, meconium, maternal urine or that is visibly icteric. Do not centrifuge. PROCEDURE: Performed on the Abbott TDX flex by Fluorescence Polariazation Assay (mg surfactant/g albumin). Performed daily. Routine turnaround time is 2 hours. Stat turnaround time is 1 hour. REFERENCE RANGE: Immature <40 mg/g Equivocal 40-54 mg/g Mature >55 mg/g 
Preferred Volume   
Minimum Volume   
Stability   
Reject Criteria   
Component   
Methodology   
Units  mg/g 
Reference Range    
Neonate Reference Range   
Required Information   
Performed   
Reported   Routine 4 hr, STAT 1hr 
Note   
LOINC    
Cross References   
Referred Lab   
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