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Fetal Lung Maturity Panel (Nordx)
Test CodeFLM
CPT Codes
83661, 83664, 84081
Includes
Lamellar Body Count (LBC)
Lecithin/Sphingomyelin Ratio (L/S)
Phosphatidylglycerol (PG)
Lecithin/Sphingomyelin Ratio (L/S)
Phosphatidylglycerol (PG)
Preferred Specimen
5 mL Amniotic Fluid
Instructions
Schedule this test with the laboratory before performing the amniocentesis.
Specimen must be delivered to the York Hospital Laboratory by 9:00 a.m.
Specimen must be delivered to the York Hospital Laboratory by 9:00 a.m.
Transport Container
Sterile Container, Leak-Proof
Transport Temperature
Refrigerated
Methodology
Impedance
Thin-Layer Chromatography (TLC)
Setup Schedule
Monday through Sunday at 11 a.m.
Report Available
1 Day
Reference Range
Immature Lung Status
LBC: N/A
L/S Ratio: <=1.3
PG: Negative
Borderline or Indeterminate Lung Status
LBC: <=60 Thou/uL
L/S Ratio: 1.4-2.4
PG: N/A
Mature Lung Status
LBC: >60 Thou/uL
L/S Ratio: >=2.5
PG: Positive
LBC: N/A
L/S Ratio: <=1.3
PG: Negative
Borderline or Indeterminate Lung Status
LBC: <=60 Thou/uL
L/S Ratio: 1.4-2.4
PG: N/A
Mature Lung Status
LBC: >60 Thou/uL
L/S Ratio: >=2.5
PG: Positive
Clinical Significance
Useful for the determination of fetal lung maturity.
Performed By
NorDx
Performed By
NorDx
Additional Information
Nordx - Order Code FLPAF
