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
Naphthol [Mass/volume] in Serum or Plasma
Other
Naphyrone [Mass/volume] in Urine by Confirmatory method
Other
Naphyrone cutoff [Mass/volume] in Urine for Confirmatory method
Blood test
Naproxen IgE Ab [Units/volume] in Serum
Blood test
Naproxen [Mass/volume] in Serum or Plasma
Other
Naproxen [Mass/volume] in Urine by Confirmatory method
Other
Naproxen [Mass] of Dose
Other
Naproxen [Measurement] in Urine
Other
Naproxen [Moles/volume] in Gastric fluid
Blood test
Naproxen [Moles/volume] in Serum or Plasma
Other
Naproxen [Moles/volume] in Specimen
Other
Naproxen [Moles/volume] in Urine
Other
Naproxen [Presence] in Urine by Screen method
Blood test
Naproxen induced platelet IgG Ab [Presence] in Serum or Plasma by Flow cytometry (FC)
Blood test
Naproxen induced platelet IgM Ab [Presence] in Serum or Plasma by Flow cytometry (FC)
Other
Naproxen/Creatinine [Mass Ratio] in Urine by Confirmatory method
Other
Naps regularly during day [Minimum Data Set]
Other
Napsin A Ag [Presence] in Tissue by Immune stain
Other
Narasin [Mass/mass] in Specimen
Blood test
Narcissus IgE Ab [Units/volume] in Serum
Blood test
Narcolepsy associated Ag [Presence] in Serum or Plasma
Other
Narcotics [Identifier] in Bile fluid
Blood test
Narcotics [Identifier] in Blood
Other
Narcotics [Identifier] in Gastric fluid
Other
Narcotics [Identifier] in Urine
Other
Narcotics [Presence] in Saliva (oral fluid) by Confirmatory method
Imaging
Narrative Fetal position US
Imaging
Narrative Fetal position palpation
Imaging
Narrative Fetal presentation US
Imaging
Narrative Fetal presentation palpation
Imaging
Narrative Placenta position US
Imaging
Narrative [Interpretation] Study observation general US
Blood test
Narrative diagnostic report [Interpretation]
Other
Nasal cannula type
Other
Nasal temperature
Other
Nasion to A-point [Length] Skull X-ray measured
Other
Nasion to Frankfort horizontal plane [Length] Skull X-ray measured
Other
Nasion-glabella line to nasion-pronasale line [Angle] Skull CT measured
Other
Nasion-glabella line to nasion-pronasale line [Angle] Skull Digital model.measured
Other
Nasion-glabella line to nasion-pronasale line [Angle] Skull X-ray measured
Other
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]
Other
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
Other
National Health Care Surveys report
Other
National Health Care Surveys report R1 - recommended CDA set
Other
National POLST form: portable medical order panel
Other
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
Other
National scale air toxics assessment air toxics cancer risk
Other
National scale air toxics assessment diesel PM (DPM)
Other
National scale air toxics assessment respiratory hazard index
Other
National socioeconomic disadvantage rank Reporting Period
Other
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