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Test Code SQ LAMB, EPIC LAB1043 Lamellar Body Count (LBC)


Impedance Count

Performing Laboratory

Meriter Laboratories

Specimen Requirements

Specimen Type: Amniotic fluid

Container/Tube: Plastic container

Specimen Volume: 5 mL

Specimen Minimum Volume: 1 mL

Collection Instructions:

1. Collect uncontaminated transabdominal amniotic fluid free of blood or meconium.

2. Vaginal pool samples are not acceptable.


Specimen Transport Temperature

Ambient <4 hours/Refrigerated >4 hours OK/Frozen NO

Reference Values

Mature: >50,000/µL

Intermediate: 15,000-50,000/µL

Immature: <15,000/µL

Day(s) Test Set Up

Monday through Sunday

Specimen Requirements Additional Information

Specimen Stability:

Specimen is stable refrigerated (2°-8° C) for 1 month. Specimen cannot be frozen.

Test Classification and CPT Coding



This test has not been cleared or approved by the U.S. Food and Drug Administration.