• Chlamydia trachomatis NA, Urine
  • Coagulation Factor VII Activity Assay, Plasma
  • Ehrlichia chaffeensis Antibody, IgG
  • ClonoSeq Assay
  • Beta-Hydroxybutyrate, Serum
  • Human T-Cell Lymphotropic Virus (HTLV) I/II Antibody Confirmation
  • Melatonin
  • Carnitine, Total, Urine
  • Centromere Antibody, IgG
  • Itraconazole, Serum
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  • /Lecithin-sphingomyelin (L/S) Ratio
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  • All
  • Diseases
  • Overview
  • Clinical Utility
  • Interpretation
  • Reference Ranges
  • Methodology
  • Specimen Collection
  • Additional Testing
  • Turnaround Time
  • CPT
  • LOINC
  • ICD10
  • Additional ICD10
  • References

Lecithin-sphingomyelin (L/S) Ratio
Medical Test

Clinical Utility
Access to Lecithin-sphingomyelin (L/S) Ratio is restricted.