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Test Code LBCT Lamellar Body Count, LAB1043

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements


Preferred: 5-10 mL amniotic fluid


Reference Values

Mature Lung:  >50,000 /L

Transitional Lung:  15,000 - 50,000 /L

Immature Lung:  <15,000 /L

Day(s) Test Set Up

Monday through Sunday

Useful For

Determination of fetal lung maturity


Electronic Resistance Detection

Test Classification and CPT Coding


Analytical Time

STAT within 1 hour upon receipt

Routine within 2 hours upon receipt