Medical Tests
Explore lab tests, blood work, and imaging exams with plain-language preparation and overview pages.
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Tests starting with A (6,266)
Other
Aborted or self-interrupted suicide attempt Lifetime
Other
Aborted or self-interrupted suicide attempts # 3 months
Other
Aborted or self-interrupted suicide attempts # Lifetime
Other
Abortion consent Document
Other
About how long did you work at that job or business
Other
About how long has it been since you completely quit smoking cigarettes [TUS-CPS]
Other
About how long has it been since you last visited a dentist [PhenX]
Other
About how long have you been in the United States [PhenX]
Other
About how long have you worked for your employer in your occupation [NHANES]
Other
About how many attacks have you had in your life [#] [CIDI-SF]
Other
About how many hours per week did or does child attend day care or preschool outside the home [PhenX]
Other
About how many minutes does it usually take for you to fall asleep [PhenX]
Other
About how many of these ultraviolet light exposures have you gotten in your life [NHL]
Other
About how many such episodes of cough with phlegm that lasted 1 week or more have you had in the past 12 months [PhenX]
Other
About how many weeks altogether did you feel this way - the total period of depression or loss of interest was [CIDI-SF]
Other
About how much weight did you gain [Mass] [CIDI-SF]
Other
About how much weight did you gain and lose [Mass] [QIDS]
Other
About how much weight did you lose [Mass] [CIDI-SF]
Other
About how often did you drink orange juice or grapefruit juice in past 12 months [PhenX]
Other
About how often did you drink skim milk, on cereal or to drink in past 12 months [PhenX]
Other
About how often did you eat beef or pork hot dogs, regular-fat, in past 12 months [PhenX]
Other
About how often did you eat cheese or cheese spread, regular fat, in past 12 months [PhenX]
Other
About how often did you eat eggs, fried or scrambled in margarine, butter, or oil in past 12 months [PhenX]
Other
About how often did you eat french fries, home fries, or hash brown potatoes in past 12 months [PhenX]
Other
About how often did you eat fruit (not juices) in past 12 months [PhenX]
Other
About how often did you eat margarine or butter on bread, rolls, pancakes in past 12 months [PhenX]
Other
About how often did you eat margarine or butter on vegetables, including potatoes in past 12 months [PhenX]
Other
About how often did you eat margarine, butter, or oil on rice or pasta in past 12 months [PhenX]
Other
About how often did you eat mayonnaise, regular-fat, in past 12 months [PhenX]
Other
About how often did you eat rice in past 12 months [PhenX]
Other
About how often did you eat salad dressings, regular-fat, in past 12 months [PhenX]
Other
About how often did you eat sausage or bacon, regular-fat, in past 12 months [PhenX]
Other
About how often do your severe headaches occur [PhenX]
Other
About how old were you the first time you got this exposure [NHL]
Other
About how old were you the first time you had a period of 2 weeks like this [CIDI-SF]
Other
About how old were you the last time you got this exposure [NHL]
Other
About how old were you the last time you had a period of 2 weeks like this [CIDI-SF]
Other
About how old were you when you first had wheezing or whistling in your chest [PhenX]
Other
About how old were you when you first started drinking, not counting small tastes or sips of alcohol [PhenX]
Other
Abrasions or bruises [Minimum Data Set]
Other
Abrine [Mass/volume] in Urine
Other
Absence of contact with family/friends [Minimum Data Set]
Other
Absence of deformity score [Harris Hip Score]
Other
Absence of hip deformity measurements
Blood test
Absidia corymbifera Ab [Presence] in Serum
Other
Absolute aerobic exercise intensity
Other
Absolute volume [PhenX]
Other
Abstractor [Identifier]
Other
Abuse Behavior Community [OMAHA]
Other
Abuse Behavior Family [OMAHA]
Other
Abuse Behavior [OMAHA]
Other
Abuse Knowledge Community [OMAHA]
Other
Abuse Knowledge Family [OMAHA]
Other
Abuse Knowledge [OMAHA]
Other
Abuse Status Community [OMAHA]
Other
Abuse Status Family [OMAHA]
Other
Abuse Status [OMAHA]
Other
Acadesine [Moles/volume] in Cerebral spinal fluid
Blood test
Acadesine [Moles/volume] in Serum or Plasma
Other
Acadesine [Presence] in Urine
Other
Acadesine/Creatinine [Molar ratio] in Urine
Blood test
Acamprosate [Mass/volume] in Serum or Plasma
Other
Acanthamoeba sp Ab [Measurement] in Cerebral spinal fluid
Other
Acanthamoeba sp Ab [Presence] in Cerebral spinal fluid
Other
Acanthamoeba sp Ab [Presence] in Cerebral spinal fluid by Immunoassay
Other
Acanthamoeba sp Ab [Presence] in Cerebral spinal fluid by Immunofluorescence
Other
Acanthamoeba sp Ab [Presence] in Cornea
Other
Acanthamoeba sp Ab [Presence] in Cornea by Immunofluorescence
Blood test
Acanthamoeba sp Ab [Presence] in Serum
Other
Acanthamoeba sp Ab [Presence] in Specimen by Immunofluorescence
Other
Acanthamoeba sp Ag [Presence] in Specimen by Immunofluorescence
Other
Acanthamoeba sp DNA [Presence] in Cerebral spinal fluid by NAA with probe detection
Other
Acanthamoeba sp DNA [Presence] in Contact lens by NAA with probe detection
Other
Acanthamoeba sp DNA [Presence] in Cornea or Conjunctiva by NAA with probe detection
Other
Acanthamoeba sp DNA [Presence] in Specimen by NAA with probe detection
Other
Acanthamoeba sp DNA [Presence] in Tissue by NAA with probe detection
Other
Acanthamoeba sp and Naegleria fowleri and Balamuthia mandrillaris DNA panel - Specimen
Other
Acanthamoeba sp identified in Cerebral spinal fluid by Organism specific culture
Other
Acanthamoeba sp identified in Contact lens by Organism specific culture
Other
Acanthamoeba sp identified in Cornea or Conjunctiva by Organism specific culture
Other
Acanthamoeba sp identified in Eye by Organism specific culture
Other
Acanthamoeba sp identified in Eye by Wet preparation
Other
Acanthamoeba sp identified in Specimen by Organism specific culture
Other
Acanthocytes [#/area] in Urine sediment by Computer assisted method
Other
Acanthocytes [#/volume] in Urine sediment by Computer assisted method
Blood test
Acanthocytes [Presence] in Blood
Blood test
Acanthocytes [Presence] in Blood by Light microscopy
Other
Acanthocytes [Presence] in Urine sediment by Computer assisted method
Other
Acanthocytes [Presence] in Urine sediment by Light microscopy
Blood test
Acanthocytes/1000 erythrocytes in Blood by Light microscopy
Other
Acanthocytes/Erythrocytes in Urine sediment by Computer assisted method
Blood test
Acarbose induced platelet IgG Ab [Presence] in Serum or Plasma by Flow cytometry (FC)
Blood test
Acarbose induced platelet IgM Ab [Presence] in Serum or Plasma by Flow cytometry (FC)
Blood test
Acarboxyprothrombin [Mass/volume] in Serum or Plasma
Blood test
Acarboxyprothrombin [Units/volume] in Serum or Plasma
Blood test
Acarus siro IgE Ab [Presence] in Serum by Radioallergosorbent test (RAST)
Blood test
Acarus siro IgE Ab [Units/volume] in Serum
Blood test
Acarus siro IgE Ab [Units/volume] in Serum or Plasma by Immunoassay
Blood test
Acarus siro triggered leukotriene release [Mass/volume] by Leukocytes
Imaging
Acceleration 2 by US