Medical Tests
Explore lab tests, blood work, and imaging exams with plain-language preparation and overview pages.
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Tests starting with N (3,452)
Blood test
N-desalkylflurazepam [Mass/volume] in Serum or Plasma by Confirmatory method
Blood test
N-desalkylflurazepam [Mass/volume] in Serum or Plasma by Screen method
Other
N-desalkylflurazepam [Mass/volume] in Urine
Other
N-desalkylflurazepam [Mass/volume] in Urine by Confirmatory method
Other
N-desalkylflurazepam [Mass/volume] in Vitreous fluid
Blood test
N-desalkylflurazepam [Measurement] in Serum or Plasma
Other
N-desalkylflurazepam [Measurement] in Stool
Other
N-desalkylflurazepam [Measurement] in Urine
Blood test
N-desalkylflurazepam [Moles/volume] in Serum or Plasma
Other
N-desalkylflurazepam [Moles/volume] in Specimen
Other
N-desalkylflurazepam [Presence] in Cord tissue by Confirmatory method
Other
N-desalkylflurazepam [Presence] in Cord tissue by Screen method
Other
N-desalkylflurazepam [Presence] in Gastric fluid
Blood test
N-desalkylflurazepam [Presence] in Serum or Plasma
Other
N-desalkylflurazepam [Presence] in Specimen
Other
N-desalkylflurazepam [Presence] in Stool
Other
N-desalkylflurazepam [Presence] in Urine
Other
N-desalkylflurazepam [Presence] in Urine by Confirmatory method
Other
N-desalkylflurazepam [Presence] in Urine by Screen method
Other
N-desalkylflurazepam cutoff [Mass/volume] in Urine for Confirmatory method
Other
N-desalkylflurazepam cutoff [Mass/volume] in Urine for Screen method
Other
N-desalkylflurazepam/Creatinine [Mass Ratio] in Urine
Blood test
N-desbutyl-dronedarone [Mass/volume] in Serum
Other
N-ethyldiethanolamine [Mass/volume] in Urine
Other
N-ethylnicotinamide [Mass/volume] in Urine
Other
N-ethylnicotinamide [Mass] of Dose
Blood test
N-methyl valine [Mass/volume] in Blood
Other
N-methylacetamide [Mass/volume] in Urine
Other
N-methylacetamide/Creatinine [Mass Ratio] in Urine
Other
N-methyldiethanolamine [Mass/volume] in Urine
Other
N-methylhistamine [Mass/volume] in Urine
Other
N-methylhistamine [Measurement] in Urine
Other
N-methylhistamine [Moles/time] in 24 hour Urine
Other
N-methylhistamine [Moles/volume] in 24 hour Urine
Other
N-methylhistamine [Moles/volume] in Urine
Other
N-methylhistamine/Creatinine [Mass Ratio] in 24 hour Urine
Other
N-methylhistamine/Creatinine [Mass Ratio] in Urine
Other
N-methylhistamine/Creatinine [Measurement] in Urine
Other
N-methylhistamine/Creatinine [Molar ratio] in 24 hour Urine
Other
N-methylhistamine/Creatinine [Molar ratio] in Urine
Other
N-methylimidazoleacetate [Mass/time] in 24 hour Urine
Blood test
N-monodesmethyl bedaquiline [Mass/volume] in Serum or Plasma
Blood test
N-monomethylarginine [Moles/volume] in Serum or Plasma
Other
N-monomethylarginine/Creatinine [Molar ratio] in Urine
Other
N-nitrosodimethylamine [Mass/volume] in Air
Other
N-nitrosomorpholine [Mass/volume] in Air
Other
N-nortramadol [Mass/mass] in Meconium by Confirmatory method
Other
N-nortramadol [Mass/volume] in Saliva (oral fluid) by Confirmatory method
Other
N-nortramadol [Mass/volume] in Urine
Other
N-nortramadol [Mass/volume] in Urine by Confirmatory method
Other
N-nortramadol [Presence] in Meconium
Other
N-nortramadol [Presence] in Urine
Other
N-nortramadol/Creatinine [Mass Ratio] in Urine by Confirmatory method
Other
N-octanoylglycine/Creatinine [Mass Ratio] in Urine
Other
N-tau methylimidazoleacetate/Creatinine [Molar ratio] in 24 hour Urine
Other
N-tau methylimidazoleacetate/Creatinine [Molar ratio] in Urine
Blood test
N6-Acetyl-L-lysine [Moles/volume] in Serum or Plasma
Other
N6-Acetyl-L-lysine/Creatinine [Molar ratio] in Urine
Other
NAACCR Indian Health Service linkage
Other
NAACCR ambiguous terminology as basis for diagnosis
Other
NAACCR facility identification system coding system
Other
NAACCR hispanic identification algorithm hispanic origin Derived
Other
NAACCR hospital tumor registration.permanent [Identifier]
Other
NAACCR survival to last contact (in months) [Time]
Other
NADH cytochrome C reductase [Enzymatic activity/mass] in Tissue
Other
NADH cytochrome C reductase/Citrate synthase [Enzymatic activity ratio] in Tissue
Other
NADH dehydrogenase [Enzymatic activity/mass] in Tissue
Blood test
NADH dehydrogenase [Enzymatic activity/volume] in Plasma
Blood test
NADH dehydrogenase [Enzymatic activity/volume] in Red Blood Cells
Other
NADH:ubiquinone reductase [Enzymatic activity/mass] in Fibroblast
Other
NADH:ubiquinone reductase [Enzymatic activity/mass] in Tissue
Blood test
NAGLU gene full mutation analysis in Blood or Tissue by Sequencing
Blood test
NAGS gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method Nominal
Blood test
NARS2 gene full mutation analysis in Blood or Tissue by Sequencing
Blood test
NARS2 gene mutation analysis limited to known familial mutations in Blood or Tissue by Molecular genetics method
Blood test
NASEM Summation Value [Mass/volume] in Serum or Plasma
Blood test
NAT2 gene allele [Genotype] in Blood or Tissue by Molecular genetics method Nominal
Blood test
NAT2 gene full mutation analysis in Blood or Tissue by Sequencing
Blood test
NAT2 gene product metabolic activity interpretation in Blood or Tissue Qualitative by Molecular genetics method
Blood test
NAT2 gene targeted mutation analysis in Blood or Tissue by Molecular genetics method
Blood test
NB gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method Nominal
Blood test
NB gene mutations tested for in Blood or Tissue by Molecular genetics method Nominal
Blood test
NBN gene targeted mutation analysis in Blood or Tissue by Molecular genetics method
Other
NBOMe [Presence] in Urine by Screen method
Other
NCBI BioProject identifier [Identifier] in Specimen
Other
NCBI Sample Accession Number in Specimen
Other
NCBI sequence read Run (SRR) number in Specimen
Other
NCBI sequence read archive number in Specimen
Other
NCBI sequence read experiment (SRX) number in Specimen
Blood test
NCF1 gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method Nominal
Blood test
NCF1+NCF2+CYBB gene targeted mutation analysis in Blood or Tissue by Molecular genetics method
Blood test
NCF2 gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method Nominal
Blood test
NCF2 gene targeted mutation analysis in Blood or Tissue by Molecular genetics method
Other
NCSBN ID
Other
NDM Carbapenemase [Presence] in Isolate by Rapid immunoassay
Blood test
NDRG1 gene full mutation analysis in Blood or Tissue by Sequencing
Blood test
NDUFAF5 gene targeted mutation analysis in Blood or Tissue by Molecular genetics method
Blood test
NEB gene targeted mutation analysis in Blood or Tissue by Molecular genetics method
Blood test
NEFL gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method Nominal
Blood test
NEFL gene targeted mutation analysis in Blood or Tissue by Molecular genetics method