- narcolepsy syndrome
- nasal congestion
- nasal polyp
- nausea
- nausea and vomiting
- nausea gravidarum
- necator americanus infection
- necrobiosis lipoidica diabeticorum
- necrotizing enterocolitis
- necrotizing fasciitis streptococcus infection
- necrotizing pneumonia
- neisseria gonorrhea pelvic cellulitis
- neonatal abstinence syndrome
- neonatal alloimmune thrombocytopenia
- neonatal apnea
- neonatal bronchopulmonary dysplasia
- neonatal group b streptococcal septicemia
- neonatal herpes meningoencephalitis
- neonatal hypocalcemic tetany
- neonatal meningitis
- neonatal opioid dependence
- neonatal pneumonia
- neonatal seizure
- neonatal thyrotoxicosis
- neonate at high risk of infection
- neoplasm associated with von hippel-lindau disease
- neoplasm of brain
- neoplasm of breast
- neovascular age-related macular degeneration
- nephrogenic diabetes insipidus
- nephropathic cystinosis
- nephrotic syndrome
- nesidioblastosis
- neuroblastoma
- neurocysticercosis
- neuroendocrine prostate carcinoma
- neurofibromatosis type 1 with plexiform neurofibromas
- neurogenic bladder
- neurogenic detrusor overactivity
- neuroleptic malignant syndrome
- neuromyelitis optica spectrum disorder with anti-aquaporin-4 (aqp4) antibodies
- neuropathic pain
- neuropathic pain associated with spinal cord injury
- neurosyphilis
- neurotrophic keratitis
- neutropenia secondary to aml treatment
- niacin deficiency
- nighttime sleep disturbance in smith-magenis syndrome
- nocardiosis
- nocturia
- nocturnal enuresis
- non q-wave myocardial infarction
- non-24 hour sleep-wake cycle disorder
- non-cns manifestations of acid sphingomyelinase deficiency
- non-hodgkin's lymphoma
- non-infectious uveitis
- non-infectious uveitis affecting the posterior segment of eye
- non-metastatic castration-resistant prostate cancer
- non-muscle invasive bladder cancer with carcinoma in situ
- non-radiographic axial spondyloarthritis
- non-small cell lung cancer
- non-small cell lung cancer with braf v600e mutation
- non-small cell lung cancer with egfr exon 19 deletion
- non-small cell lung cancer with egfr exon 20 insertion mutation
- non-small cell lung cancer with egfr exon 21 l858r substitution mutation
- non-small cell lung cancer with kras g12c mutation
- non-small cell lung cancer with mesenchymal-epithelial transition (met) exon 14 skipping
- nonexudative age-related macular degeneration
- nonfunctional neuroendocrine tumor of gastrointestinal origin
- nonfunctional neuroendocrine tumor of lung origin
- nongonococcal urethritis
- nonsquamous non-small cell lung cancer
- nosocomial bacterial pneumonia
- nosocomial pneumonia due to escherichia coli
- nosocomial pneumonia due to haemophilus influenzae
- nosocomial pneumonia due to klebsiella pneumoniae
- nosocomial pneumonia due to methicillin-sensitive staphylococcus aureus
- nosocomial pneumonia due to serratia marcescens
- nosocomial pneumonia due to streptococcus pneumoniae
- nsaid-induced duodenal ulcer
- nsaid-induced gastric ulcer
- nummular dermatitis