Medical Tests
Explore lab tests, blood work, and imaging exams with plain-language preparation and overview pages.
Browse Directory Sections
Tests starting with N (3,452)
Blood test
N Ab [Presence] in Serum or Plasma
Blood test
N Ab [Presence] in Serum or Plasma from Blood product unit
Blood test
N Ab [Presence] in Serum or Plasma from Donor
Blood test
N Ab [Titer] in Serum or Plasma
Blood test
N Ag [Presence] on Red Blood Cells
Other
N Ag [Presence] on Red Blood Cells from Blood product unit
Other
N Ag [Presence] on Red Blood Cells from Donor
Blood test
N Ag inferred phenotype [Presence] in Blood or Tissue by Molecular genetics method
Blood test
N Ag inferred phenotype [Presence] in Blood or Tissue from Donor by Molecular genetics method
Blood test
N,N'-dimethylarginine [Mass/volume] in Serum or Plasma
Blood test
N,N'-dimethylarginine [Moles/volume] in Serum or Plasma
Other
N,N'-dimethylarginine/Creatinine [Molar ratio] in Urine
Other
N,N-Dimethylaniline [Mass/volume] in Air
Other
N,N-Dimethylpentylone [Mass/volume] in Urine by Confirmatory method
Other
N,N-Dimethylpentylone [Presence] in Urine by Confirmatory method
Other
N,N-Dimethylpentylone/Creatinine [Mass Ratio] in Urine by Confirmatory method
Blood test
N,N-dimethylarginine [Mass/volume] in Serum or Plasma
Blood test
N,N-dimethylarginine [Moles/volume] in Serum or Plasma
Other
N,N-dimethylarginine/Creatinine [Molar ratio] in Urine
Other
N-Acetylgalactosamine-4-Sulfatase [Enzymatic activity/mass] in Fibroblast
Blood test
N-Acetylgalactosamine-4-Sulfatase [Enzymatic activity/mass] in Leukocytes
Other
N-Acetylgalactosamine-4-Sulfatase [Enzymatic activity/mass] in Tissue
Other
N-Acetylgalactosamine-4-Sulfatase [Enzymatic activity/volume] in Amniotic fluid
Other
N-Acetylgalactosamine-4-Sulfatase [Enzymatic activity/volume] in DBS
Blood test
N-Acetylgalactosamine-4-Sulfatase [Enzymatic activity/volume] in Leukocytes
Blood test
N-Acetylgalactosamine-4-Sulfatase [Enzymatic activity/volume] in Serum
Other
N-Acetylgalactosamine-4-Sulfatase [Enzymatic activity/volume] in Urine
Other
N-Acetylgalactosamine-4-Sulfatase/N-Acetylgalactosamine-6-Sulfatase [Enzymatic activity ratio] in Urine
Other
N-Acetylgalactosamine-6-Sulfatase [Enzymatic activity/mass] in Fibroblast
Blood test
N-Acetylgalactosamine-6-Sulfatase [Enzymatic activity/mass] in Leukocytes
Other
N-Acetylgalactosamine-6-Sulfatase [Enzymatic activity/mass] in Tissue
Other
N-Acetylgalactosamine-6-Sulfatase [Enzymatic activity/volume] in DBS
Other
N-Acetylgalactosamine-6-Sulfatase [Enzymatic activity/volume] in Urine
Other
N-Acetylglucosamine-6-Sulfatase [Enzymatic activity/mass] in Fibroblast
Blood test
N-Acetylglucosamine-6-Sulfatase [Enzymatic activity/mass] in Leukocytes
Other
N-Acetylglucosamine-6-Sulfatase [Enzymatic activity/mass] in Tissue
Blood test
N-Acetylglucosamine-6-Sulfatase [Enzymatic activity/volume] in Serum
Other
N-Desethyl Isotonitazene [Mass/volume] in Urine by Confirmatory method
Other
N-Desethyl Isotonitazene [Presence] in Urine by Confirmatory method
Other
N-Desethyl Isotonitazene/Creatinine [Mass Ratio] in Urine by Confirmatory method
Blood test
N-Desethyl Sunitinib [Mass/volume] in Serum or Plasma
Blood test
N-Desethyl Sunitinib [Mass/volume] in Serum or Plasma by LC/MS/MS --24 hours post dose
Blood test
N-Desmethyl imatinib [Mass/volume] in Serum or Plasma
Blood test
N-Desmethyl regorafenib [Mass/volume] in Serum or Plasma
Other
N-Desmethylasenapine [Mass/volume] in Urine by Confirmatory method
Other
N-Ethylpentylone [Mass/volume] in Urine by Confirmatory method
Blood test
N-Nervonoylsphingosine [Moles/volume] in Plasma
Blood test
N-Nervonoylsphingosine/N-Lignoceroylsphingosine [Molar ratio] in Plasma
Blood test
N-Palmitoylsphingosine [Moles/volume] in Plasma
Blood test
N-Palmitoylsphingosine/N-Lignoceroylsphingosine [Molar ratio] in Plasma
Other
N-Pyrrolidino Etonitazene [Mass Ratio] in Urine by Confirmatory method
Other
N-Pyrrolidino Etonitazene [Mass/volume] in Urine by Confirmatory method
Other
N-Pyrrolidino Etonitazene [Measurement] in Urine
Other
N-Pyrrolidino Etonitazene [Presence] in Urine by Confirmatory method
Blood test
N-Stearoylsphingosine [Moles/volume] in Plasma
Blood test
N-Stearoylsphingosine/N-Lignoceroylsphingosine [Molar ratio] in Plasma
Blood test
N-acetyl ezogabine [Mass/volume] in Plasma
Other
N-acetyl-L-alanine/Creatinine [Molar ratio] in Urine
Other
N-acetyl-L-aspartate [Mass/volume] in Body fluid
Other
N-acetyl-L-aspartate [Moles/volume] in Amniotic fluid
Other
N-acetyl-L-aspartate [Moles/volume] in Cerebral spinal fluid
Blood test
N-acetyl-L-aspartate [Moles/volume] in Serum or Plasma
Other
N-acetyl-L-aspartate [Presence] in Urine
Other
N-acetyl-L-aspartate/Creatinine [Mass Ratio] in Urine
Other
N-acetyl-L-aspartate/Creatinine [Molar ratio] in Urine
Other
N-acetyl-L-glutamate/Creatinine [Molar ratio] in Urine
Other
N-acetyl-L-methionine/Creatinine [Molar ratio] in Urine
Blood test
N-acetyl-beta-glucosaminidase [Enzymatic activity/volume] in Serum
Other
N-acetyl-beta-glucosaminidase [Enzymatic activity/volume] in Urine
Other
N-acetyl-beta-glucosaminidase/Creatinine [Ratio] in Urine
Other
N-acetylaspartylglutamate [Moles/volume] in Cerebral spinal fluid
Other
N-acetylglycine/Creatinine [Mass Ratio] in Urine
Other
N-acetylglycine/Creatinine [Molar ratio] in Urine
Blood test
N-acetylprocainamide [Mass/volume] in Blood
Other
N-acetylprocainamide [Mass/volume] in Body fluid
Blood test
N-acetylprocainamide [Mass/volume] in Serum or Plasma
Other
N-acetylprocainamide [Mass/volume] in Urine
Other
N-acetylprocainamide [Mass] of Dose
Blood test
N-acetylprocainamide [Moles/volume] in Serum or Plasma
Blood test
N-acetylprocainamide/Procainamide [Mass Ratio] in Serum or Plasma
Blood test
N-acetyltyrosine [Moles/volume] in Serum or Plasma
Other
N-acetyltyrosine [Presence] in Urine
Other
N-acetyltyrosine/Creatinine [Molar ratio] in Urine
Blood test
N-alpha acetyllysine [Moles/volume] in Serum or Plasma
Other
N-alpha acetyllysine/Creatinine [Molar ratio] in Urine
Other
N-carbamoyl beta alanine [Moles/volume] in Cerebral spinal fluid
Blood test
N-carbamoyl beta alanine [Moles/volume] in Serum or Plasma
Other
N-carbamoyl beta alanine/Creatinine [Molar ratio] in Urine
Other
N-desalkylflurazepam [Mass/mass] in Hair
Other
N-desalkylflurazepam [Mass/mass] in Meconium
Other
N-desalkylflurazepam [Mass/mass] in Meconium by Confirmatory method
Other
N-desalkylflurazepam [Mass/mass] in Stool
Other
N-desalkylflurazepam [Mass/mass] in Stool by Confirmatory method
Other
N-desalkylflurazepam [Mass/mass] in Tissue
Other
N-desalkylflurazepam [Mass/mass] in Tissue by Confirmatory method
Blood test
N-desalkylflurazepam [Mass/volume] in Blood
Blood test
N-desalkylflurazepam [Mass/volume] in Blood by Confirmatory method
Other
N-desalkylflurazepam [Mass/volume] in Body fluid
Other
N-desalkylflurazepam [Mass/volume] in Body fluid by Confirmatory method
Blood test
N-desalkylflurazepam [Mass/volume] in Serum or Plasma