Test Code PGAMFL Phosphatidyl, Glycerol (PG), Amniotic Fluid
Additional Codes
St. Luke's Compendium Code (Iatric): L930.2502
Methodology
Immunologic Agglutination
Specimen Requirements
Specimen with moderate visible blood contamination is not acceptable.
Specimen must arrive as soon as possible after collection.
Send 0.5 mL of amniotic fluid in a sterile vial, refrigerated. Do not centrifuge the specimen.
Additional Information: If ordering provider wants an amniotic fluid for lung maturity and does not specify test, order Fetal Lung Maturity (FLM), Amniotic Fluid and Phosphatidyl Glycerol (PG), Amniotic Fluid. Send a separate specimen for each test requested.
Test Classification and CPT Coding
CPT: 84081
LOINC: 2785-4
Day(s) Test Performed
Monday through Sunday
Reference Range
Negative: PTG is absent at concentrations associated with a significant of R.D.S.
Low positive: Correlates well with lung maturity. (However, there is a low incidence of R.D.S., especially in cases involoving Diabetes Mellitus.
High positive: Predictive of lung maturity.