Medical Tests
Explore lab tests, blood work, and imaging exams with plain-language preparation and overview pages.
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All medical tests (102,751)
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Naso-labial angle Skull X-ray measured
Other
Nasogastric or abdominal feeding tube in last 7 days [MDSv3]
Other
Nasogastric tube Institution inventory number
Other
Nasogastric tube Vendor model number
Other
Nasogastric tube Vendor serial number
Other
Nasogastric tube site
Other
Nasopharyngeal temperature
Blood test
Natalizumab Ab [Mass/volume] in Serum by Immunoassay
Blood test
Natalizumab Ab [Measurement] in Serum
Blood test
Natalizumab Ab [Presence] in Serum
Blood test
Natalizumab Ab [Presence] in Serum by Immunoassay
Blood test
Natalizumab [Mass/volume] in Serum by Immunoassay
Other
Natamycin [Susceptibility]
Blood test
Nateglinide [Mass/volume] in Serum or Plasma
Other
Nateglinide [Mass/volume] in Urine
Blood test
Nateglinide [Presence] in Serum or Plasma
Other
Nation catchment area Population [Estimated]
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National (USA) PFGE cluster code or CDC cluster [Identifier] in Isolate
Other
National (USA) PFGE pattern [Identifier] in Isolate
Other
National Comprehensive Cancer Network - Bladder Symptom Index Questionnaire - 18 items (NCCN-FBlSI-18) [FACIT]
Other
National Comprehensive Cancer Network - Breast Symptom Index Questionnaire - 16 items (NCCN-FBSI-16) [FACIT]
Other
National Comprehensive Cancer Network - Colorectal Symptom Index Questionnaire - 19 items (NCCN - FCSI-19) [FACIT]
Other
National Comprehensive Cancer Network - Head and Neck Symptom Index Questionnaire - 22 items (NCCN-FACT - FHNSI-22) [FACIT]
Other
National Comprehensive Cancer Network - Hepatibiliary Symptom Index Questionnaire - 18 items (NCCN-FACT - FHSI-18) [FACIT]
Other
National Comprehensive Cancer Network - Kidney Symptom Index Questionnaire - 19 items (NCCN-FACT - FKSI-19) [FACIT]
Other
National Comprehensive Cancer Network - Lung Symptom Index Questionnaire - 17 items (NCCN-FACT - FLSI-17) [FACIT]
Other
National Comprehensive Cancer Network - Lymphoma Symptom Index Questionnaire - 18 items (NCCN-FACT - FLymSI-18) [FACIT]
Other
National Comprehensive Cancer Network - Ovarian Symptom Index Questionnaire - 18 items (NCCN_FACT - FOSI 18) [FACIT]
Other
National Comprehensive Cancer Network - Prostate Symptom Index Questionnaire - 17 items (NCCN-FACT-FPSI 17) [FACIT]
Other
National EMS Information System - version 3 set
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National Health Care Surveys report
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National Health Care Surveys report R1 - recommended CDA set
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National POLST form: portable medical order panel
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National Quality Forum (NQF) serious reportable event [AHRQ]
Other
National Trauma Data Standard - version 2018 set
Other
National comprehensive cancer network - Brain Symptom Index Questionnaire - 24 items (NCCN-FACT - FBrSI-24) [FACIT]
Other
National provider ID
Other
National provider indentifier panel [NMMDS]
Other
National reporting jurisdiction
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National scale air toxics assessment air toxics cancer risk
Other
National scale air toxics assessment diesel PM (DPM)
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National scale air toxics assessment respiratory hazard index
Other
National socioeconomic disadvantage rank Reporting Period
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Nationality Person Narrative
Other
Native hawaiian and other pacific islander alone [#] Census tract
Other
Native inferior vena cava liver graft attachment
Blood test
Natriuretic peptide B [Mass/volume] adjusted for eGFR in Serum or Plasma
Blood test
Natriuretic peptide B [Mass/volume] in Blood
Blood test
Natriuretic peptide B [Mass/volume] in Serum or Plasma
Blood test
Natriuretic peptide B [Measurement] in Serum or Plasma
Blood test
Natriuretic peptide B [Moles/volume] in Serum or Plasma
Blood test
Natriuretic peptide.B prohormone N-Terminal [Mass/volume] in Blood by Immunoassay
Other
Natriuretic peptide.B prohormone N-Terminal [Mass/volume] in Body fluid by Immunoassay
Other
Natriuretic peptide.B prohormone N-Terminal [Mass/volume] in Peritoneal dialysis fluid by Immunoassay
Other
Natriuretic peptide.B prohormone N-Terminal [Mass/volume] in Pleural fluid by Immunoassay
Blood test
Natriuretic peptide.B prohormone N-Terminal [Mass/volume] in Serum or Plasma
Blood test
Natriuretic peptide.B prohormone N-Terminal [Mass/volume] in Serum or Plasma by Immunoassay
Blood test
Natriuretic peptide.B prohormone N-Terminal [Mass/volume] in Serum, Plasma or Blood by Immunoassay
Blood test
Natriuretic peptide.B prohormone N-Terminal [Mass/volume] in Serum, Plasma or Blood by Rapid immunoassay
Blood test
Natriuretic peptide.B prohormone N-Terminal [Measurement] in Serum or Plasma
Blood test
Natriuretic peptide.B prohormone N-Terminal [Moles/volume] in Serum or Plasma
Blood test
Natriuretic peptide.B prohormone N-Terminal [Moles/volume] in Serum or Plasma by Immunoassay
Other
Natural and feet together and tandem stance assessment
Other
Natural cannabinoids panel - Urine
Other
Natural color of Hair
Blood test
Natural killer and natural killer T cell subsets panel - Blood
Other
Natural killer cell cytotoxicity panel - Blood mononuclear cells
Other
Natural killer cell cytotoxicity.0.9:1 effector to target cell ratio/Positive control in Blood mononuclear cells
Other
Natural killer cell cytotoxicity.1.88:1 effector to target cell ratio/Positive control in Blood mononuclear cells
Other
Natural killer cell cytotoxicity.100:1 effector to target cell ratio/Positive control in Blood mononuclear cells
Other
Natural killer cell cytotoxicity.12.5:1 effector to target cell ratio/Positive control in Blood mononuclear cells
Other
Natural killer cell cytotoxicity.15:1 effector to target cell ratio/Positive control in Blood mononuclear cells
Other
Natural killer cell cytotoxicity.25:1 effector to target cell ratio/Positive control in Blood mononuclear cells
Other
Natural killer cell cytotoxicity.3.13:1 effector to target cell ratio/Positive control in Blood mononuclear cells
Other
Natural killer cell cytotoxicity.3.75:1 effector to target cell ratio/Positive control in Blood mononuclear cells
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Natural killer cell cytotoxicity.30:1 effector to target cell ratio/Positive control in Blood mononuclear cells
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Natural killer cell cytotoxicity.50:1 effector to target cell ratio/Positive control in Blood mononuclear cells
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Natural killer cell cytotoxicity.6.25:1 effector to target cell ratio/Positive control in Blood mononuclear cells
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Natural killer cell cytotoxicity.7.5:1 effector to target cell ratio/Positive control in Blood mononuclear cells
Other
Natural killer cell cytotoxicity.IL-2 stimulated 30:1 effector to target cell ratio/Positive control in Blood mononuclear cells
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Natural killer cell cytotoxicity.IL-2 stimulated panel - Blood mononuclear cells by Flow cytometry (FC)
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Natural killer cell cytotoxicity.IL-stimulated 0.9:1 effector to target cell ratio/Positive control in Blood mononuclear cells
Other
Natural killer cell cytotoxicity.IL-stimulated 1.88:1 effector to target cell ratio/Positive control in Blood mononuclear cells
Other
Natural killer cell cytotoxicity.IL-stimulated 15:1 effector to target cell ratio/Positive control in Blood mononuclear cells
Other
Natural killer cell cytotoxicity.IL-stimulated 3.75:1 effector to target cell ratio/Positive control in Blood mononuclear cells
Other
Natural killer cell cytotoxicity.IL-stimulated 7.5:1 effector to target cell ratio/Positive control in Blood mononuclear cells
Blood test
Natural killer cell function [Units/volume] in Blood
Blood test
Natural killer cell panel - Blood by Flow cytometry (FC)
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Natural parent [PhenX]
Other
Nature of health problem Narrative [PhenX]
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Nausea
Other
Nausea [CCC]
Other
Nausea [HIV-SSC]
Other
Nausea [Presence]
Other
Nauseous or had stomach problems when I thought about or was exposed to information about the coronavirus in past 2 weeks
Other
Nautical catchment area Population [Estimated]
Other
Near acuity [RFC]
Other
Near convergence blur by Phoropter
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Near convergence break by Phoropter
Other
Near convergence recovery by Phoropter