Medical Tests
Explore lab tests, blood work, and imaging exams with plain-language preparation and overview pages.
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Tests starting with H (7,030)
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --2 hours post dose carbohydrate
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --2 hours post dose fructose PO
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --2 hours post dose glucose
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --2 hours post dose lactose PO
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --2.25 hours post XXX challenge
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --2.25 hours post dose lactose PO
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --2.5 hour post dose lactulose
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --2.5 hours post XXX challenge
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --2.5 hours post dose fructose PO
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --2.5 hours post dose glucose
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --2.5 hours post dose lactose PO
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --2.75 hours post XXX challenge
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --2.75 hours post dose lactose PO
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --20 minutes post dose lactose PO
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --20M post dose fructose PO
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --3 hours post XXX challenge
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --3 hours post dose fructose PO
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --3 hours post dose glucose
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --3 hours post dose lactose PO
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --3 hours post dose lactulose
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --3.5 hour post dose lactose
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --3.5 hours post XXX challenge
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --3.5 hours post dose glucose
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --30 minutes post XXX challenge
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --30 minutes post dose carbohydrate
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --30 minutes post dose fructose PO
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --30 minutes post dose glucose
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --30 minutes post dose lactose PO
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --30 minutes post dose lactulose
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --4 hours post XXX challenge
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --4 hours post dose glucose
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --4.5 hours post XXX challenge
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --4.5 hours post dose glucose
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --40 minutes post dose lactose PO
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --40M post dose fructose PO
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --45 minutes post XXX challenge
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --45 minutes post dose carbohydrate
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --45 minutes post dose lactose PO
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --5 hours post XXX challenge
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --5 hours post dose glucose
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --5.5 hours post XXX challenge
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --5.5 hours post dose glucose
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --50M post dose fructose PO
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --50M post dose lactose PO
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --6 hours post XXX challenge
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --6 hours post dose glucose
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --post 10 g lactulose PO
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --post 50 g glucose PO
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Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --post 50 g lactose PO
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --post XXX challenge
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --post dose carbohydrate
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --post dose glucose
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --pre XXX challenge
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --pre dose carbohydrate
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --pre dose fructose PO
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --pre dose glucose
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --pre dose lactose PO
Other
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --pre dose lactulose
Other
Hydromorphone-3-glucuronide [Presence] in Urine by Screen method
Blood test
Hydroquinidine [Mass/volume] in Serum
Other
Hydroquinone [Mass/volume] in Air
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Hydroquinone [Mass/volume] in Urine
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Hydroxocobalamin [Mass/volume] in Body fluid
Blood test
Hydroxocobalamin [Mass/volume] in Serum or Plasma
Other
Hydroxocobalamin [Mass/volume] in Urine
Other
Hydroxocobalamin [Moles/volume] in Body fluid
Blood test
Hydroxocobalamin [Moles/volume] in Serum or Plasma
Other
Hydroxocobalamin [Moles/volume] in Urine
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Hydroxyalprazolam [Mass/volume] in Stool
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Hydroxyalprazolam [Mass/volume] in Urine
Other
Hydroxyalprazolam [Mass/volume] in Urine by Confirmatory method
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Hydroxyalprazolam [Measurement] in Urine
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Hydroxyalprazolam [Presence] in Urine by Confirmatory method
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Hydroxyalprazolam [Presence] in Urine by Screen method
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Hydroxyalprazolam cutoff [Mass/volume] in Urine for Confirmatory method
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Hydroxyalprazolam cutoff [Mass/volume] in Urine for Screen method
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Hydroxyapatite [Energy Difference] in 24 hour Urine
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Hydroxyapatite crystals [Energy Difference] in Urine
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Hydroxyaripiprazole [Mass/volume] in Urine by Confirmatory method
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Hydroxyaripiprazole [Presence] in Urine by Screen method
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Hydroxybupropion [Mass/mass] in Tissue
Blood test
Hydroxybupropion [Mass/volume] in Blood
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Hydroxybupropion [Mass/volume] in Body fluid
Blood test
Hydroxybupropion [Mass/volume] in Serum or Plasma
Other
Hydroxybupropion [Mass/volume] in Urine
Blood test
Hydroxybupropion [Measurement] in Serum or Plasma
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Hydroxybupropion [Measurement] in Urine
Blood test
Hydroxybupropion [Moles/volume] in Serum or Plasma
Blood test
Hydroxybupropion [Presence] in Serum or Plasma by Screen method
Other
Hydroxybupropion [Presence] in Urine by Confirmatory method
Other
Hydroxybupropion [Presence] in Urine by Screen method
Other
Hydroxybupropion cutoff [Mass/volume] in Urine for Confirmatory method
Blood test
Hydroxycalcidiol [Mass/volume] in Serum
Blood test
Hydroxychloroquine [Mass/volume] in Blood
Blood test
Hydroxychloroquine [Mass/volume] in Serum or Plasma
Blood test
Hydroxychloroquine [Mass/volume] in Serum or Plasma --trough
Other
Hydroxychloroquine [Mass] of Dose
Blood test
Hydroxychloroquine [Moles/volume] in Serum or Plasma
Other
Hydroxydecanedioate [Presence] in Urine
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Hydroxydecanedioate/Creatinine [Molar ratio] in 24 hour Urine