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)
Blood test
2-Hydroxyisovalerate [Moles/volume] in Serum or Plasma
Other
2-Hydroxyisovalerate [Presence] in Urine
Other
2-Hydroxyisovalerate/Creatinine [Molar ratio] in 24 hour Urine
Other
2-Hydroxyisovalerate/Creatinine [Molar ratio] in Urine
Other
2-Hydroxyphenylacetate [Moles/volume] in Cerebral spinal fluid
Blood test
2-Hydroxyphenylacetate [Moles/volume] in Serum or Plasma
Other
2-Hydroxyphenylacetate [Presence] in Urine
Other
2-Hydroxyphenylacetate/Creatinine [Molar ratio] in Urine
Other
2-Hydroxysebacate [Moles/volume] in Cerebral spinal fluid
Blood test
2-Hydroxysebacate [Moles/volume] in Serum or Plasma
Other
2-Hydroxysebacate/Creatinine [Molar ratio] in Urine
Blood test
2-Ketobutyrate [Moles/volume] in Serum or Plasma
Other
2-Ketobutyrate/Creatinine [Molar ratio] in Urine
Blood test
2-Methoxyethanol [Mass/volume] in Blood
Blood test
2-Methyl-2-Propanol [Mass/volume] in Blood
Other
2-Methyl-2-Propanol [Mass/volume] in Specimen
Other
2-Methyl-3-Hydroxybutyrylcarnitine (C5-OH) [Moles/volume] in Amniotic fluid
Other
2-Methyl-3-Hydroxybutyrylcarnitine (C5-OH) [Moles/volume] in Cerebral spinal fluid
Other
2-Methyl-3-Hydroxybutyrylcarnitine (C5-OH) [Moles/volume] in DBS
Blood test
2-Methyl-3-Hydroxybutyrylcarnitine (C5-OH) [Moles/volume] in Serum or Plasma
Other
2-Methyl-3-Hydroxybutyrylcarnitine (C5-OH) [Moles/volume] in Urine
Other
2-Methyl-3-Hydroxybutyrylcarnitine (C5-OH)/Creatinine [Molar ratio] in Urine
Blood test
2-Methyl-3-Hydroxyvalerate [Moles/volume] in Plasma
Other
2-Methyl-3-Hydroxyvalerate/Creatinine [Molar ratio] in Urine
Other
2-Methyl-3-Oxobutyrate/Creatinine [Molar ratio] in Urine
Other
2-Methylacetoacetate [Moles/volume] in Cerebral spinal fluid
Blood test
2-Methylacetoacetate [Moles/volume] in Serum or Plasma
Other
2-Methylacetoacetate/Creatinine [Molar ratio] in Urine
Blood test
2-Methylbutyrylglycine [Moles/volume] in Serum or Plasma
Other
2-Methylbutyrylglycine [Presence] in Urine
Other
2-Methylbutyrylglycine/Creatinine [Mass Ratio] in Urine
Other
2-Methylbutyrylglycine/Creatinine [Molar ratio] in Urine
Other
2-Methylcitrate [Moles/volume] in Amniotic fluid
Other
2-Methylcitrate [Moles/volume] in Cerebral spinal fluid
Other
2-Methylcitrate [Moles/volume] in DBS
Blood test
2-Methylcitrate [Moles/volume] in Serum or Plasma
Other
2-Methylcitrate [Moles/volume] in Urine
Other
2-Methylcitrate [Presence] in Urine
Other
2-Methylcitrate/Creatinine [Molar ratio] in 24 hour Urine
Other
2-Methylcitrate/Creatinine [Molar ratio] in Urine
Other
2-Methylglutaconate/Creatinine [Molar ratio] in Urine
Blood test
2-Methylglutarate [Moles/volume] in Serum or Plasma
Other
2-Methylglutarate/Creatinine [Molar ratio] in Urine
Blood test
2-Methylpentane [Mass/volume] in Blood
Blood test
2-Methylpropyl methylphosphonate [Mass/volume] in Blood
Other
2-Methylpropyl methylphosphonate [Mass/volume] in Urine
Blood test
2-Methyltyrosine [Moles/volume] in Serum or Plasma
Other
2-Methyltyrosine/Creatinine [Molar ratio] in Urine
Other
2-Minute Walk Endurance Test [NIH Toolbox]
Blood test
2-N-Methyl-perfluorooctanesulfonamide acetate [Mass/volume] in Serum or Plasma by LC/MS/MS
Other
2-Nitropropane [Mass/volume] in Air
Other
2-Octenoate/Creatinine [Molar ratio] in Urine
Blood test
2-Oxo,3-Methylvalerate [Moles/volume] in Serum or Plasma
Other
2-Oxo,3-Methylvalerate [Presence] in Urine
Other
2-Oxo,3-Methylvalerate/Creatinine [Molar ratio] in 24 hour Urine
Other
2-Oxo,3-Methylvalerate/Creatinine [Molar ratio] in Urine
Blood test
2-Oxo-3-Hydroxy-Lysergate diethylamide [Mass/volume] in Blood by Confirmatory method
Other
2-Oxo-3-Hydroxy-Lysergate diethylamide [Mass/volume] in Urine
Other
2-Oxo-3-Hydroxy-Lysergate diethylamide [Measurement] in Urine
Blood test
2-Oxo-3-Hydroxy-Lysergate diethylamide [Presence] in Blood by Screen method
Other
2-Oxo-3-Hydroxy-Lysergate diethylamide [Presence] in Urine by Confirmatory method
Other
2-Oxo-3-Hydroxy-Lysergate diethylamide [Presence] in Urine by Screen method
Other
2-Oxo-3-Hydroxy-Lysergate diethylamide/Creatinine [Mass Ratio] in Urine by Confirmatory method
Other
2-Oxoadipate [Moles/volume] in Cerebral spinal fluid
Blood test
2-Oxoadipate [Moles/volume] in Serum or Plasma
Other
2-Oxoadipate/Creatinine [Molar ratio] in Urine
Other
2-Oxoadipate/Creatinine [Ratio] in Urine
Other
2-Oxoisocaproate [Mass] of Dose
Other
2-Oxoisocaproate [Moles/volume] in Cerebral spinal fluid
Blood test
2-Oxoisocaproate [Moles/volume] in Serum or Plasma
Other
2-Oxoisocaproate [Presence] in Urine
Other
2-Oxoisocaproate/Creatinine [Molar ratio] in 24 hour Urine
Other
2-Oxoisocaproate/Creatinine [Molar ratio] in Urine
Blood test
2-Oxoisovalerate [Moles/volume] in Serum or Plasma
Other
2-Oxoisovalerate [Presence] in Urine
Other
2-Oxoisovalerate/Creatinine [Molar ratio] in 24 hour Urine
Other
2-Oxoisovalerate/Creatinine [Molar ratio] in Urine
Blood test
2-Pyridone [Mass/volume] in Serum or Plasma
Other
2-Pyridone [Mass] of Dose
Blood test
2-Pyridone/N'-methylnicotinamide [Mass Ratio] in Serum or Plasma
Other
2-methyl AP-237 [Mass/volume] in Urine by Confirmatory method
Other
2-methyl AP-237 [Presence] in Urine by Confirmatory method
Other
2-methyl AP-237/Creatinine [Mass Ratio] in Urine by Confirmatory method
Other
2-methyl-3-hydroxybutyrate (C5-OH) [Moles/volume] in Cerebral spinal fluid
Blood test
2-methyl-3-hydroxybutyrate (C5-OH) [Moles/volume] in Serum or Plasma
Other
2-methyl-3-hydroxybutyrate (C5-OH) [Presence] in Urine
Other
2-methyl-3-hydroxybutyrate (C5-OH)/Creatinine [Molar ratio] in 24 hour Urine
Other
2-methyl-3-hydroxybutyrate (C5-OH)/Creatinine [Molar ratio] in Urine
Other
2-minute Walk Endurance Test - national percentile [NIH Toolbox]
Other
2-minute Walk Endurance Test - scale score age adjusted [NIH Toolbox]
Other
2-minute Walk Endurance Test - scale score fully adjusted [NIH Toolbox]
Other
2-minute Walk Endurance Test - unadjusted scale score [NIH Toolbox]
Blood test
20-Hydroxyprogesterone [Mass/volume] in Serum
Blood test
20q chromosome deletion [Identifier] in Blood or Tissue by FISH Nominal
Blood test
21-Deoxycorticosterone [Moles/volume] in Serum or Plasma
Blood test
21-Deoxycorticosterone [Moles/volume] in Serum or Plasma --1 hour post dose corticotropin
Blood test
21-Deoxycorticosterone [Moles/volume] in Serum or Plasma --30 minutes post dose corticotropin
Blood test
21-Deoxycorticosterone [Moles/volume] in Serum or Plasma --pre dose corticotropin
Other
21-Deoxycortisol [Mass/volume] in DBS
Blood test
21-Deoxycortisol [Mass/volume] in Serum --1st specimen post XXX challenge