Medical Tests
Explore lab tests, blood work, and imaging exams with plain-language preparation and overview pages.
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All medical tests (102,751)
Other
Lead (exposure to) screen results indicator CPHS
Blood test
Lead IgE Ab [Presence] in Serum by Radioallergosorbent test (RAST)
Blood test
Lead IgE Ab [Units/volume] in Serum
Other
Lead [Mass/mass] in Bone
Other
Lead [Mass/mass] in Dentin
Other
Lead [Mass/mass] in Hair
Other
Lead [Mass/mass] in Nail
Blood test
Lead [Mass/mass] in Red Blood Cells
Other
Lead [Mass/mass] in Specimen
Other
Lead [Mass/mass] in Tissue
Other
Lead [Mass/time] in 24 hour Urine
Other
Lead [Mass/time] in 8 hour Urine
Other
Lead [Mass/volume] in 24 hour Urine
Other
Lead [Mass/volume] in Body fluid
Blood test
Lead [Mass/volume] in Capillary blood
Other
Lead [Mass/volume] in Dialysis fluid
Other
Lead [Mass/volume] in Milk
Blood test
Lead [Mass/volume] in Red Blood Cells
Blood test
Lead [Mass/volume] in Serum or Plasma
Other
Lead [Mass/volume] in Specimen
Other
Lead [Mass/volume] in Urine
Other
Lead [Mass/volume] in Urine --post EDTA therapy
Other
Lead [Mass/volume] in Urine collected for unspecified duration
Blood test
Lead [Mass/volume] in Venous blood
Other
Lead [Mass/volume] in Water
Blood test
Lead [Measurement] in Blood
Blood test
Lead [Measurement] in Red Blood Cells
Other
Lead [Measurement] in Tissue
Other
Lead [Measurement] in Urine
Other
Lead [Moles/mass] in Hair
Other
Lead [Moles/mass] in Nail
Other
Lead [Moles/mass] in Tissue
Other
Lead [Moles/time] in 24 hour Urine
Other
Lead [Moles/volume] in 24 hour Urine
Blood test
Lead [Moles/volume] in Blood
Blood test
Lead [Moles/volume] in Red Blood Cells
Blood test
Lead [Moles/volume] in Serum or Plasma
Other
Lead [Moles/volume] in Urine
Other
Lead [Moles/volume] in Urine --post EDTA therapy
Other
Lead [Presence] in 24 hour Urine
Blood test
Lead [Presence] in Blood
Other
Lead [Presence] in Stool
Other
Lead [Presence] in Tissue
Other
Lead [Presence] in Urine
Other
Lead department or agency name Organization
Other
Lead paint indicator
Other
Lead screen test status CPHS
Other
Lead screen test status and/or results Set CPHS
Other
Lead/Creatinine [Mass Ratio] in 24 hour Urine
Other
Lead/Creatinine [Mass Ratio] in Urine
Other
Lead/Creatinine [Measurement] in Urine
Other
Lead/Creatinine [Molar ratio] in 24 hour Urine
Other
Lead/Creatinine [Molar ratio] in Urine
Other
Leadership assigned [CDC Emergency Operations Centers]
Other
Leak 24 hour mean Positive airway pressure device
Other
Leak 24 hour median Positive airway pressure device
Other
Leak.95% 24 hour maximum Positive airway pressure device
Other
Lean body weight
Other
Lean body weight Calculated
Other
Lean body weight estimated by Immersion method
Other
Lean body weight estimated by Skin fold method
Other
Leaves 25%+ food uneaten at most meals [Minimum Data Set]
Other
Leaves seat when remaining seated is expected
Other
Lecithin [#/area] in Prostatic fluid by Manual count
Other
Lecithin [Presence] in Prostatic fluid by Light microscopy
Other
Lecithin [Presence] in Semen by Light microscopy
Blood test
Lecithin cholesterol acyltransferase [Enzymatic activity/volume] in Serum or Plasma
Blood test
Lecithin cholesterol acyltransferase actual/normal in Serum or Plasma
Other
Lecithin phosphorus [Mass/volume] in Amniotic fluid
Other
Lecithin/Sphingomyelin [Mass Ratio] in Amniotic fluid
Other
Lecithin/Sphingomyelin [Ratio] in Amniotic fluid
Other
Lecithin/Surfactant.total in Amniotic fluid
Other
Ledipasvir [Susceptibility] by Genotype method
Blood test
Leeks IgE Ab [Units/volume] in Serum
Blood test
Leeks IgG Ab [Units/volume] in Serum
Blood test
Leeks IgG Ab [Units/volume] in Serum or Plasma by Immunoassay
Other
Lefamulin [Susceptibility]
Other
Lefamulin [Susceptibility] by Minimum inhibitory concentration (MIC)
Blood test
Leflunomide [Mass/volume] in Serum or Plasma
Other
Left anterior chamber Cells Slit lamp biomicroscopy
Other
Left anterior chamber Flare Slit lamp biomicroscopy
Other
Left atrial A-wave amplitude
Imaging
Left atrial AP dimension.left atrium/AP dimension.aorta root by US
Imaging
Left atrial Area at end systole by US.2D.A2C+Measured by planimetry
Imaging
Left atrial Area at end systole by US.2D.A4C+Measured by planimetry
Imaging
Left atrial Area by US.2D.A4C
Imaging
Left atrial Diameter anterior-posterior systole by US 2D
Imaging
Left atrial Diameter anterior-posterior systole by US.M-mode
Imaging
Left atrial End-systolic volume (by US.2D+Calculated by biplane area-length method)/Body surface area
Imaging
Left atrial End-systolic volume (by US.2D+Calculated by biplane method of disks)/Body surface area
Imaging
Left atrial End-systolic volume by US.2D+Calculated by area-length method
Imaging
Left atrial End-systolic volume by US.2D+Calculated by biplane area-length method
Imaging
Left atrial End-systolic volume by US.2D+Calculated by biplane method of disks
Imaging
Left atrial End-systolic volume by US.2D+Calculated by modified Simpson method
Imaging
Left atrial End-systolic volume by US.2D.A2C+Calc by single plane area-length method
Imaging
Left atrial End-systolic volume by US.2D.A2C+Calculated by single plane method of disks
Imaging
Left atrial End-systolic volume by US.2D.A4C+Calc by single plane area-length method
Imaging
Left atrial End-systolic volume by US.2D.A4C+Calculated by single plane method of disks
Imaging
Left atrial End-systolic volume/Body surface area [Volume/Area] by US.2D+Calculated by area-length method
Imaging
Left atrial End-systolic volume/Body surface area [Volume/Area] by US.2D+Calculated by modified Simpson method