Main Campus: Chesterfield, MO 63017 | 
Tests
- Labor - fetal scalp testing
- Lactate dehydrogenase test
- Lactate test
- Lactic (lactate) dehydrogenase isoenzymes
- Lactic acid dehydrogenase test
- Lactic acid test
- Lactose tolerance tests
- Laparoscopy - diagnostic
- Laryngopharyngoscopy
- Laryngoscopy
- Laryngoscopy and nasolarynoscopy
- Laryngoscopy using strobe (laryngeal stroboscopy)
- Lateral neck x-ray
- Latex agglutination test
- LBP - CT
- LD
- LDH isoenzyme blood test
- LDH test
- Lead levels - blood
- Left heart catheterization
- Left heart ventricular angiography
- Left ventriculography
- Leg CT scan
- Leg MRI scan
- Leg pain and cramping - Doppler
- Lepromin skin test
- Leprosy skin test
- Leucine aminopeptidase - urine
- Leucine aminopeptidase blood test
- Leukemia - bone marrow aspiration
- Leukocyte count
- Leukocyte esterase urine test
- Leukocyte scan
- LFT
- LH response to GnRH blood test
- Limb plethysmography
- Lipase test
- Lipoprotein electrophoresis
- Lipoprotein lipase deficiency - apolipoprotein CII
- Lipoprotein-a
- Liver biopsy
- Liver disease test panel - autoimmune
- Liver function tests
- Liver gallium scan
- Liver scan
- Liver technetium sulfur colloid scan
- Liver-spleen radionuclide scan
- Low back pain - CT
- Low blood sugar - glucagon test
- Low-grade colposcopy
- Low-grade cone biopsy
- Low-grade Pap
- Lower abdomen ultrasound
- Lower extremity angiogram
- Lower gastrointestinal series
- Lower GI series
- Lp(a)
- LSIL - colposcopy
- LSIL - cone biopsy
- LSIL - Pap
- LSIL-HPV testing, Low-grade dysplasia - HPV testing
- Lumbar MRI scan
- Lumbar puncture
- Lumbar spine CT scan
- Lumbosacral spine CT
- Lumbosacral spine x-ray
- Lung cancer - bronchoscopy
- Lung cancer - pleural fluid
- Lung diffusion testing
- Lung function tests
- Lung gallium scan
- Lung needle biopsy
- Lung PET scan
- Lung plethysmography
- Lung positron emission tomography
- Lung scan
- Lung ventilation/perfusion scan
- Luteinizing hormone (LH) blood test
- Luteinizing hormone - blood test
- Luteinizing hormone response to gonadotropin-releasing hormone
- Lyme disease blood test
- Lyme disease serology
- Lymph node biopsy
- Lymph node culture
- Lymphangiogram
- Lymphangiography
- Lymphography
