Lamellar bodies

Specimen:

1 mL amniotic fluid.

Method:

Count on a blood cell counter using the platelet channel.

Reference Interval:

Consult laboratory.

Application:

Diagnosis of a fetus at high risk of respiratory distress syndrome.

Interpretation:

A normal lamellar body count indicates an extremely low risk of respiratory distress syndrome.

A decreased count indicates an increased risk.

Reference:

Dallence CR et al. Obstet Gynecol 1995; 86: 235-239.