Beaumont Laboratory - Lab Test Details
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Beaumont Laboratory

Lamellar Body Count, Amniotic Fluid

LBC, EPIC: LAB6636, SOFT: LAMBF

Specimen Collection Criteria

Collect: Amniotic fluid in a sterile collection container. (Min: 7.0 mL)

Transport refrigerated specimen to the Laboratory for processing immediately after collection. 

Physician Office/Drawsite Specimen Preparation

Arrange for transportation to the Laboratory prior to collection. Do not centrifuge or freeze the specimen. Maintain refrigerated (2-8°C or 36-46°F) prior to transport.

Preparation for Courier Transport

Transport: Amniotic fluid, refrigerated (2-8°C or 36-46°F). (Min: 7.0 mL)

Rejection Criteria

  • Samples visibly contaminated with blood, meconium, or mucus.

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): Unacceptable
Refrigerated (2-8°C or 36-46°F): 72 hours
Frozen (-20°C/-4°F or below): Unacceptable

Specimen Storage in Department Prior to Disposal:

Refrigerated (2-8°C or 36-46°F): 30 days

Laboratory

Royal Oak Hematology Laboratory.

Performed

Sunday - Saturday, 24 hours a day.
Results available within 24 hours.

Reference Range

Mature: Greater than or equal to 55,000/mcL.

Test Methodology

Sysmex XE Series.

Interpretation

Amniotic fluid Lamellar Body Count (LBC) greater than or equal to 55,000/mcL is predictive of fetal lung maturity. The main value of fetal lung maturity testing is in predicting the absence of respiratory distress syndrome (RDS).

Clinical Utility

The number of Lamellar Bodies in amniotic fluid reflects the degree of development of the fetal lung and the relative risk for neonatal respiratory distress if the fetus were to be delivered.

CPT Code

83664.

Test Codes

EPIC: LAB6636, SOFT: LAMBF

Last Updated

11/30/2016

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This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.