ARUP's Laboratory Test Directory

Phosphatidylglycerol : 0080275

Mnemonic: PG

Methodology: Qualitative Immune Agglutination
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Patient Prep: Amniocentesis preferred.

Collect: Amniotic fluid.

Specimen Preparation: Freeze immediately. Transport 1 mL amniotic fluid. (Min: 0.5 mL)

Storage/Transport Temperature: Refrigerated. If transport is longer than four hours, send frozen.

Unacceptable Conditions: Room temperature specimens.

Stability (collection to initiation of testing): Ambient: 1 hour; Refrigerated: 4 hours; Frozen: 1 week
Reference Interval:
Mature fetal lung: Positive and Weak Positive
Immature fetal lung: Negative
CPT Code(s): 84081
Cross References: Amniotic Fluid PG (Phosphatidylglycerol), Lamella Body Counts (LBC) and Phosphatidylglycerol (PG), Amniotic Fluid  (Phosphatidylglycerol)