Davis's Lab & Diagnostic Tests
- N -acetyl procainamide, drug monitoring, therapeutic
- Narcolepsy, electroencephalography
- Nasal obstruction, endoscopy, sinus
- Nasal passages, growths in, endoscopy, sinus
- Nasogastric feeding with inadequate fluid, sodium, blood and sodium, urine, in
- Nateglinide
- Nausea, cholangiopancreatography, endoscopic retrograde
- Necator americanus infection
- Neisseria gonorrhoeae
- Neisseria meningitidis, cerebrospinal fluid analysis
- Nelson syndrome, ACTH levels in
- Neomycin
- Neonatal hyaline membrane disease, plasminogen and tissue plasminogen activator antigen levels in
- Neonatal hyperglycemia
- Neonatal immune thrombocytopenia, platelet antibodies in
- Neonatal lupus, antinuclear antibody, anti-DNA antibody, anticentromere antibody, antiextractable nuclear antigen antibody, anti-Jo antibody, and antiscleroderma antibody levels in
- Neonatal seizures, vitamin B 6 levels in
- Neonatal thyroid disease, antithyrotropin receptor antibodies: binding inhibition antibodies and stimulating antibodies levels in
- Neovascularization, fluorescein angiography
- Neovascularization in angle, gonioscopy
- Nephroblastoma, erythropoietin
- Nephropathies with sodium or potassium wasting
- Nephrotoxic drugs, urea nitrogen, blood and urea nitrogen, urine in
- Nerve conduction study
- Nerve Fiber Analysis
- Neurofibroma, skin biopsy
- Neurogenic bladder, cystourethrography, voiding
- Neuromuscular effects, cerebrospinal fluid analysis
- Neuromuscular junction testing
- Neuropathies, evoked brain potentials
- Niemann-Pick syndrome
- Night blindness, vitamin A levels in
- Nipple discharge, ductography
- Nitrendipine
- Nocardia, culture, fungal
- Nodal lymphoma, lymphangiography of
- Noise induced hearing loss
- Nonalcoholic fatty liver disease, alanine aminotransferase levels in
- Non-hematological disorders
- Non-Hodgkin lymphoma, bone marrow biopsy in
- Non-small-cell lung cancer (NSCLC)
- Nonsmokers, carbon monoxide levels in
- Nontoxic nodular goiter
- Nontropical sprue, antigliadin antibody (immunoglobulin G and immunoglobulin A), antiendomysial antibody (immunoglobulin A), and antitissue transglutaminase antibody (immunoglobulin A) levels in
- Nontropical sprue (celiac disease, gluten-induced enteropathy), D-xylose tolerance test
- Normal sinus rhythm, Holter monitor
- Normoblasts
- Nortriptyline, drug monitoring, therapeutic
- Norwalk virus
- N-terminal propeptide of type I procollagen (PINP)
- NT x (collagen cross-linked N-telopeptide of type I collagen)
- Nuclear matrix protein (NMP)
- Nutritional deficiency of copper, ceruloplasmin
- Nutritional deficit, hemoglobin and hematocrit
- Nystagmus