Medical Tests
Explore lab tests, blood work, and imaging exams with plain-language preparation and overview pages.
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Tests starting with 0-9 (1,748)
Other
3rd course hormonal therapy Cancer Rx
Other
3rd course other therapy Cancer Rx
Other
3rd course radiation Cancer Rx
Other
3rd course surgery Cancer Rx
Other
3rd course treatment Cancer Rx
Other
4 steps - functional ability during 3 day assessment period [CMS Assessment]
Other
4 steps - functional ability during assessment period [CMS Assessment]
Other
4 steps - functional goal during 3 day assessment period [CMS Assessment]
Other
4,4'-Methylene bis(2-Chloroaniline) [Mass/volume] in Air
Other
4,4'-Methylene bis(2-Chloroaniline) [Mass/volume] in Urine
Blood test
4,5-Dihydroxyhexanoate [Moles/volume] in Serum or Plasma
Other
4,5-Dihydroxyhexanoate/Creatinine [Molar ratio] in Urine
Blood test
4,5-Dihydroxyhexanolactone [Moles/volume] in Serum or Plasma
Other
4,5-Dihydroxyhexanolactone/Creatinine [Molar ratio] in Urine
Other
4,6-Dinitro-O-Cresol [Mass/volume] in Air
Blood test
4,8-Dioxa-3H-perfluorononanoate [Mass/volume] in Serum or Plasma by LC/MS/MS
Other
4-Biphenylamine [Mass/volume] in Air
Blood test
4-Deoxythreonate [Moles/volume] in Serum or Plasma
Other
4-Deoxythreonate/Creatinine [Molar ratio] in Urine
Other
4-Ethylmethcathinone [Mass/volume] in Urine by Confirmatory method
Other
4-Fluorobutyrylfentanyl [Mass/volume] in Urine by Confirmatory method
Other
4-Hydroxy 3-Nitrophenylacetate (HNPAA) [Mass/volume] in Urine
Other
4-Hydroxy-3-Methoxyphenyllactate [Moles/volume] in Cerebral spinal fluid
Blood test
4-Hydroxy-3-Methoxyphenyllactate [Moles/volume] in Serum or Plasma
Other
4-Hydroxy-3-Methoxyphenyllactate/Creatinine [Molar ratio] in Urine
Blood test
4-Hydroxy-Tamoxifen [Mass/volume] in Blood
Blood test
4-Hydroxy-Tamoxifen [Mass/volume] in Serum or Plasma
Other
4-Hydroxyatomoxetine [Mass/volume] in Saliva (oral fluid) by Confirmatory method
Other
4-Hydroxyatomoxetine [Mass/volume] in Urine by Confirmatory method
Blood test
4-Hydroxybenzoate [Moles/volume] in Serum or Plasma
Other
4-Hydroxybenzoate [Presence] in 24 hour Urine
Other
4-Hydroxybenzoate [Presence] in Urine
Other
4-Hydroxybenzoate/Creatinine [Molar ratio] in Urine
Blood test
4-Hydroxybupivacaine [Mass/volume] in Serum or Plasma
Other
4-Hydroxycyclohexylacetate [Presence] in Urine
Other
4-Hydroxycyclohexylacetate/Creatinine [Molar ratio] in Urine
Blood test
4-Hydroxyglutethimide [Mass/volume] in Serum or Plasma by Screen method
Blood test
4-Hydroxyglutethimide [Presence] in Serum or Plasma
Blood test
4-Hydroxyhippurate [Moles/volume] in Serum or Plasma
Other
4-Hydroxyhippurate/Creatinine [Molar ratio] in Urine
Blood test
4-Hydroxyifosfamide [Mass/volume] in Blood --1 day post dose ifosfamide
Blood test
4-Hydroxyifosfamide [Mass/volume] in Blood --2 days post dose ifosfamide
Blood test
4-Hydroxyifosfamide [Mass/volume] in Blood --3 days post dose ifosfamide
Blood test
4-Hydroxyifosfamide [Mass/volume] in Blood --3 hours post dose ifosfamide
Blood test
4-Hydroxyifosfamide [Mass/volume] in Blood --4 days post dose ifosfamide
Blood test
4-Hydroxyifosfamide [Mass/volume] in Blood --5 days post dose ifosfamide
Blood test
4-Hydroxyifosfamide [Mass/volume] in Blood --6 hours post dose ifosfamide
Blood test
4-Hydroxyifosfamide [Mass/volume] in Blood --pre dose ifosfamide
Blood test
4-Hydroxymandelate [Moles/volume] in Serum or Plasma
Other
4-Hydroxymandelate/Creatinine [Molar ratio] in Urine
Other
4-Hydroxymidazolam [Mass/volume] in Body fluid
Blood test
4-Hydroxymidazolam [Mass/volume] in Serum or Plasma
Other
4-Hydroxymidazolam [Mass/volume] in Urine
Other
4-Hydroxyphenylacetate [Moles/volume] in Cerebral spinal fluid
Blood test
4-Hydroxyphenylacetate [Moles/volume] in Serum or Plasma
Other
4-Hydroxyphenylacetate [Presence] in Urine
Other
4-Hydroxyphenylacetate/Creatinine [Measurement] in Urine
Other
4-Hydroxyphenylacetate/Creatinine [Molar ratio] in Urine
Other
4-Hydroxyphenylacetate/Creatinine [Ratio] in Urine
Other
4-Hydroxyphenyllactate [Moles/volume] in Cerebral spinal fluid
Blood test
4-Hydroxyphenyllactate [Moles/volume] in Serum or Plasma
Other
4-Hydroxyphenyllactate [Presence] in Urine
Other
4-Hydroxyphenyllactate/Creatinine [Molar ratio] in Urine
Other
4-Hydroxyphenyllactate/Creatinine [Ratio] in Urine
Other
4-Hydroxyphenylpyruvate [Moles/volume] in Cerebral spinal fluid
Blood test
4-Hydroxyphenylpyruvate [Moles/volume] in Serum or Plasma
Other
4-Hydroxyphenylpyruvate [Presence] in Urine
Other
4-Hydroxyphenylpyruvate/Creatinine [Molar ratio] in Urine
Other
4-Hydroxytestosterone [Presence] in Urine by Gas chromatography-mass spectrometry
Blood test
4-Hydroxyvalerate [Moles/volume] in Serum or Plasma
Other
4-Hydroxyvalerate/Creatinine [Molar ratio] in Urine
Other
4-Meter Walk Gait Speed Test - computed score [NIH Toolbox]
Other
4-Meter Walk Gait Speed Test [NIH Toolbox]
Other
4-Methoxybutyrylfentanyl [Mass/volume] in Urine by Confirmatory method
Other
4-Methylethcathinone [Mass/volume] in Urine by Confirmatory method
Other
4-Methylphenethylacetylfentanyl [Mass/volume] in Urine
Other
4-Methylphenethylacetylfentanyl [Mass/volume] in Urine by Confirmatory method
Blood test
4-Pyridoxate [Mass/volume] in Serum or Plasma
Other
4-Tert-Butylphenol [Mass/volume] in Urine
Other
4-hydroxy Xylazine [Mass/volume] in Urine by Confirmatory method
Other
4-hydroxy Xylazine [Presence] in Urine by Confirmatory method
Other
4-hydroxy Xylazine/Creatinine [Mass Ratio] in Urine by Confirmatory method
Other
4-hydroxycoumarins [Presence] in Specimen by Screen method
Other
4-hydroxyglutamate/Creatinine [Molar ratio] in Urine
Other
4F-MDMB-BINACA [Mass/volume] in Urine by Confirmatory method
Other
4F-MDMB-BINACA [Presence] in Urine by Confirmatory method
Other
4F-MDMB-BINACA/Creatinine [Mass Ratio] in Urine by Confirmatory method
Other
4F-MDMB-BUTICA [Mass/volume] in Urine by Confirmatory method
Other
4F-MDMB-BUTICA [Presence] in Urine by Confirmatory method
Other
4F-MDMB-BUTICA/Creatinine [Mass Ratio] in Urine by Confirmatory method
Blood test
4p16.3 chromosome deletion [Identifier] in Blood or Tissue by FISH Nominal
Blood test
4p16.3 chromosome deletion in Blood or Tissue by FISH
Blood test
4q12 chromosome region rearrangements [Identifier] in Blood or Tissue by FISH Nominal
Blood test
4q12 chromosome region rearrangements [Interpretation] in Blood or Tissue by FISH Narrative
Blood test
4q25 g.111710169C>T [Genotype] in Blood or Tissue by Molecular genetics method Nominal
Blood test
4q25 g.111720761T>G [Genotype] in Blood or Tissue by Molecular genetics method Nominal
Other
4th course Surgery Cancer Rx
Other
4th course biological response modifier therapy Cancer Rx
Other
4th course chemotherapy Cancer Rx
Other
4th course hormonal therapy Cancer Rx