Medical Tests
Explore lab tests, blood work, and imaging exams with plain-language preparation and overview pages.
Browse Directory Sections
All medical tests (102,751)
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
Blood test
NF1 gene deletion+duplication and full mutation analysis in Blood or Tissue by Molecular genetics method
Other
NF1 gene mutations found [Identifier] in Amniotic fluid by Molecular genetics method Nominal
Blood test
NF1 gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method Nominal
Blood test
NF1 gene mutations tested for in Blood or Tissue by Molecular genetics method Nominal
Other
NF2 gene mutations found [Identifier] in Amniotic fluid by Molecular genetics method Nominal
Blood test
NGR1 gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method Nominal
Blood test
NGR1 gene mutations tested for in Blood or Tissue by Molecular genetics method Nominal
Other
NICHQ Vanderbilt Assessment Scale - Parent Informant
Other
NIDA Quick Screen [NIDA]
Other
NIDA-Modified ASSIST version 2.0 [NIDA]
Blood test
NIFEdipine [Mass/volume] in Serum or Plasma
Blood test
NIFEdipine induced platelet IgG Ab [Presence] in Serum or Plasma by Flow cytometry (FC)
Blood test
NIFEdipine induced platelet IgM Ab [Presence] in Serum or Plasma by Flow cytometry (FC)
Other
NIH Stroke Scale
Other
NIH stroke scale interval [NIH Stroke Scale]
Blood test
NIPA1 and REEP1 gene full mutation analysis in Blood or Tissue by Sequencing
Blood test
NIPA1 gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method Nominal
Blood test
NIPBL gene mutations found [Identifier] in Blood or Tissue by Molecular genetics method Nominal
Blood test
NIPBL gene targeted mutation analysis in Blood or Tissue by Molecular genetics method
Other
NIPS assessment (interpretation)
Other
NKI/C3 Ag [Presence] in Tissue by Immune stain
Other
NKX3.1 homeodomain transcription factor Ag [Presence] in Tissue by Immune stain
Imaging
NM Abdomen Views
Imaging
NM Abdomen Views W In-111 Satumomab IV
Imaging
NM Abdomen Views for therapy W Tc-99m SC IV
Imaging
NM Abdomen and Pelvis Views for shunt patency
Imaging
NM Abdomen and Pelvis Views for shunt patency W Tc-99m MAA inj
Imaging
NM Abdomen and Pelvis Views for tumor
Imaging
NM Adrenal gland Views
Imaging
NM Adrenal gland Views W I-131 MIBG IV
Imaging
NM Adrenal gland Views W I-131 NP59 IV
Imaging
NM Artery Views W Tc-99m DTPA IA
Imaging
NM Biliary ducts and Gallbladder Views for patency of biliary structures W Tc-99m IV
Imaging
NM Biliary ducts and Gallbladder Views for patency of biliary structures and ejection fraction W sincalide and W radionuclide IV
Imaging
NM Bone 2 Phase Views
Imaging
NM Bone 3 Phase Views
Imaging
NM Bone 3 Phase Views multiple areas
Imaging
NM Bone 3 Phase Views single area
Imaging
NM Bone Blood pool
Imaging
NM Bone Delayed Views