Medical Procedures
Explore procedure pages with patient-friendly context about preparation, expectations, and recovery.
Procedures starting with N (3,292)
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N-methyldiethanolamine [Mass/volume] in Urine
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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
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N-methylhistamine/Creatinine [Molar ratio] in 24 hour Urine
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N-methylhistamine/Creatinine [Molar ratio] in Urine
Other
N-methylimidazoleacetate [Mass/time] in 24 hour Urine
Diagnostic
N-methylimidazoleacetic acid measurement, urine
N-methylimidazoleacetic acid measurement, urine — clinical procedure (SNOMED CT 20883006).
Other
N-monomethylarginine/Creatinine [Molar ratio] in Urine
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N-nitrosodimethylamine [Mass/volume] in Air
Other
N-nitrosomorpholine [Mass/volume] in Air
Other
N-nortramadol [Mass/mass] in Meconium by Confirmatory method
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N-nortramadol [Mass/volume] in Saliva (oral fluid) by Confirmatory method
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N-nortramadol [Mass/volume] in Urine
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N-nortramadol [Mass/volume] in Urine by Confirmatory method
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N-nortramadol [Presence] in Meconium
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N-nortramadol [Presence] in Urine
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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
Other
N6-Acetyl-L-lysine/Creatinine [Molar ratio] in Urine
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NAACCR Indian Health Service linkage
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NAACCR ambiguous terminology as basis for diagnosis
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NAACCR facility identification system coding system
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NAACCR hispanic identification algorithm hispanic origin Derived
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NAACCR hospital tumor registration.permanent [Identifier]
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NAACCR survival to last contact (in months) [Time]
Diagnostic
NAD/NADH ratio measurement
NAD/NADH ratio measurement — clinical procedure (SNOMED CT 250740008).
Other
NADH cytochrome C reductase [Enzymatic activity/mass] in Tissue
Other
NADH cytochrome C reductase/Citrate synthase [Enzymatic activity ratio] in Tissue
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NADH dehydrogenase [Enzymatic activity/mass] in Tissue
Diagnostic
NADH dehydrogenase measurement
NADH dehydrogenase measurement — clinical procedure (SNOMED CT 104826000).
Diagnostic
NADH-methemoglobin reductase measurement
NADH-methemoglobin reductase measurement — clinical procedure (SNOMED CT 104827009).
Other
NADH:ubiquinone reductase [Enzymatic activity/mass] in Fibroblast
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NADH:ubiquinone reductase [Enzymatic activity/mass] in Tissue
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NBOMe [Presence] in Urine by Screen method
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NCBI BioProject identifier [Identifier] in Specimen
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NCBI Sample Accession Number in Specimen
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NCBI sequence read Run (SRR) number in Specimen
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NCBI sequence read archive number in Specimen
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NCBI sequence read experiment (SRX) number in Specimen
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NCSBN ID
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NDM Carbapenemase [Presence] in Isolate by Rapid immunoassay
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NEEP decreased - Negative end expiratory pressure decreased
NEEP decreased - Negative end expiratory pressure decreased — clinical procedure (SNOMED CT 243172009).
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NEEP increased - Negative end expiratory pressure increased
NEEP increased - Negative end expiratory pressure increased — clinical procedure (SNOMED CT 243171002).
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NF1 gene mutations found [Identifier] in Amniotic fluid by Molecular genetics method Nominal
Other
NF2 gene mutations found [Identifier] in Amniotic fluid by Molecular genetics method Nominal
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NICHQ Vanderbilt Assessment Scale - Parent Informant
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NIDA Quick Screen [NIDA]
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NIDA-Modified ASSIST version 2.0 [NIDA]
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NIH Stroke Scale
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NIH stroke scale interval [NIH Stroke Scale]
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NIPS assessment (interpretation)
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NKI/C3 Ag [Presence] in Tissue by Immune stain
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NKX3.1 homeodomain transcription factor Ag [Presence] in Tissue by Immune stain
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NMDAR Ab [Presence] in Cerebral spinal fluid by Immunofluorescence
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NMDAR IgG Ab [Presence] in Cerebral spinal fluid by Immunofluorescence
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NMDAR IgG Ab [Titer] in Cerebral spinal fluid by Immunofluorescence
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NMDAR subunit 1 Ab [Presence] in Cerebral spinal fluid by Cell binding immunofluorescent assay
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NMDAR subunit 1 Ab [Titer] in Cerebral spinal fluid by Cell binding immunofluorescent assay
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NMDAR subunit 1 IgG Ab [Presence] in Cerebral spinal fluid by Cell binding immunofluorescent assay
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NMMDS accreditation, certification, and licensure panel [NMMDS]
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NOTCH3 gene full mutation analysis in Specimen by Molecular genetics method
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NPHS1 gene mutations found [Identifier] in Body fluid by Molecular genetics method Nominal
Other
NPHS1 gene targeted mutation analysis in Body fluid by Molecular genetics method
Other
NPM1 gene c.956dupTCTG transcript/control transcript [# Ratio] in Bone marrow by Molecular genetics method
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NPM1 gene c.960insCATG transcript/control transcript [# Ratio] in Bone marrow by Molecular genetics method
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NPM1 gene c.960insCCTG transcript/control transcript [# Ratio] in Bone marrow by Molecular genetics method
Other
NPM1 gene mutations found [Identifier] in Bone marrow by Molecular genetics method Nominal
Other
NPO - Nothing by mouth
NPO - Nothing by mouth — clinical procedure (SNOMED CT 182923009).
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NRAS gene [VCF] in Cancer specimen by Sequencing
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NRAS gene mutations found [Identifier] in Bone marrow by Molecular genetics method Nominal
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NRAS gene mutations found [Identifier] in Colorectal cancer specimen by Molecular genetics method Nominal
Other
NTRK1 and NTRK2 and NTRK3 targeted gene mutation analysis in Tissue by Molecular genetics method
Other
NTRK1, NTRK2 and NTRK3 gene rearrangements in Tissue by Molecular genetics method
Diagnostic
Nabumetone measurement
Nabumetone measurement — clinical procedure (SNOMED CT 121393001).
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Nadolol [Mass/time] in 24 hour Urine
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Nadolol [Mass/volume] in Urine
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Nadolol [Mass] of Dose
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Nadolol [Measurement] in Urine
Other
Nadolol [Presence] in Urine
Diagnostic
Nadolol measurement
Nadolol measurement — clinical procedure (SNOMED CT 105253001).
Other
Naegleria fowleri Ab [Measurement] in Cerebral spinal fluid
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Naegleria fowleri Ab [Presence] in Cerebral spinal fluid
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Naegleria fowleri Ab [Presence] in Cerebral spinal fluid by Immunoassay
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Naegleria fowleri Ab [Presence] in Cerebral spinal fluid by Immunofluorescence
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Naegleria fowleri Ab [Presence] in Specimen by Immunofluorescence
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Naegleria fowleri Ag [Presence] in Specimen by Immunofluorescence
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Naegleria fowleri DNA [Presence] in Cerebral spinal fluid by NAA with probe detection
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Naegleria fowleri DNA [Presence] in Specimen by NAA with probe detection
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Naegleria fowleri [Presence] in Specimen by Organism specific culture
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Naegleria sp identified in Tissue by Organism specific culture
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Naegleria sp identified in Tissue by Wet preparation
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Nafcillin [Mass/volume] in Specimen