 AAA - Abdominal aortic aneurysm |
| AAS - Aarskog-Scott syndrome |
| ABCD syndrome - Albinism, black lock, cell migration disorder |
| ACC - Agenesis of the corpus callosum |
| ACS - Acute coronary syndrome |
| ACTH deficiency - Adrenocorticotropic hormone deficiency |
| AD - Alzheimer's Disease |
| AD - Attachment disorder |
| ADD - Attention Deficit Disorder |
| ADD-RT - Attention Deficit Disorder-Residual Type |
| ADEM - Acute disseminated encephalomyelitis |
| ADHD - Attention Deficit Hyperactivity Disorder |
| AF - Atrial fibrillation |
| AGS - Aicardi-Goutieres syndrome |
| AHC - Alternating hemiplegia of childhood |
| AIDS - Acquired Immune Deficiency Syndrome |
| ALI - Acute lung injury |
| ALS - Amyotrophic Lateral Sclerosis |
| AMD - Age-related Macular Degeneration |
| AOS - Apraxia of speech |
| APA - Aldosterone Producing Adenoma |
| APS - Antiphospholipid syndrome |
| ARBD - Alcohol-Related Birth Defects |
| ARD - Adult Refsum disease |
| ARDS - Acute Respiratory Distress Syndrome |
| ARND - Alcohol-Related Neurodevelopmental Disorder |
| AS - Ankylosing Spondylitis |
| AS - Asperger syndrome |
| ASDs - Autism spectrum disorders |
| A-T - Ataxia-telangiectasia |
| AVMs - Arteriovenous malformations |
| BBS - Bashful Bladder Syndrome |
| BEB - Benign essential blepharospasm |
| BD - Binswanger's disease |
| BEH - Behaviorally/Emotionally Handicapped |
| BH - Behaviorally Handicapped |
| BMD - Becker's muscular dystrophy |
| BPH - Benign prostatic hyperplasia |
| BS - Bloom's syndrome |
| BSE - Bovine spongiform encephalopathy |
| BSS - Brown-Sequard syndrome |
| BV - Bacterial Vaginosis |
| CACH - Central Nervous System Hypomyelination |
| CAD - Coronary artery disease |
| CADASIL - Cerebral Autosomal Dominant Arteriopathy with Sub-cortical Infarcts and Leukoencephalopathy |
| CAPD - Central Auditory Processing Disorder |
| CCD - Considerable Conduct Disorder |
| CCHF - Crimean-Congo haemorrhagic fever |
| CCHS - Congenital Central Hypoventilation Syndrome |
| CCM - Cerebral cavernous malformation |
| CDG - Congenital disorder of glycosylation |
| CDGS - Carbohydrate deficient glycoprotein syndrome |
| CESD - Cholesteryl ester storage disease |
| CF - Cystic Fibrosis |
| CFIDS - Chronic Fatigue Immune Dysfunction Syndrome |
| CFS - Chronic fatigue syndrome |
| CGBD - Corticobasal ganglionic degeneration |
| CH - Cluster headache |
| CHARGE syndrome - |
| CHARGE syndrome - Coloboma of the eye, Heart defects, Atresia of the nasal choanae, Retarded growth & or development, Genital abnormalities, Ear abnormalities |
| CHD - Congenital Heart Disease |
| CHD - Congenital hip dysplasia |
| CHD - Coronary heart disease |
| CHF - Congestive heart failure |
| CIDP - Chronic inflammatory demyelinating polyneuropathy |
| CIPA - Congenital insensitivity to pain with anhidrosis |
| CJD - Creutzfeldt-Jakob disease |
| CMs - Chiari malformations |
| CMT disease - Charcot-Marie-Tooth disease |
| COFS - Cerebro-oculo-facio-skeletal syndrome |
| COPD - Chronic Obstructive Pulmonary Disease |
| CP - Cerebral Palsy |
| CP/CPPS - Chronic prostatitis/chronic pelvic pain syndrome |
| CPDD - Calcium pyrophosphate deposition disease |
| CPM - Central pontine myelinolysis |
| CPPS - Chronic Pelvic Pain Syndrome |
| CRF - Chronic Renal Failure |
| CRKP - Carbapenem resistant Klebsiella pneumonia |
| CRPS - Complex regional pain syndrome |
| CSA - Central sleep apnea |
| CSD - Cat scratch disease |
| CVD - Cardiovascular disease |
| DAS - Developmental apraxia of speech |
| DBA - Diamond Blackfan anemia |
| DBMD - Duchenne/Becker Muscular Dystrophy |
| DD - Developmental disability |
| DEF - Deaf |
| DF - Dengue Fever |
| DH - Developmentally handicapped |
| DHF - Dengue hemorrhagic fever |
| DiG - DiGeorge syndrome |
| DLB - Dementia with Lewy bodies |
| DM - Diabetes mellitus |
| DMD - Duchenne muscular dystrophy |
| DRSP disease - Drug-resistant Streptococcus pneumoniae disease |
| DS - Down syndrome |
| DSPS - Delayed sleep phase syndrome |
| DTs - Delirium tremens |
| DVD - Developmental verbal dyspraxia |
| ED - Emotionally disturbed |
| EDS - Ehlers-Danlos syndrome |
| EDS - Excessive daytime sleepiness |
| EEE - Eastern equine encephalitis |
| EHK - Epidermolytic hyperkeratosis |
| EMH - Educable mentally handicapped |
| EMR - Educable mentally retarded |
| ENS - Epidermal nevus syndrome |
| EPM - Extrapontine myelinolysis |
| ESRD - End Stage Renal Disease |
| ESS - Empty Sella Syndrome |
| FAE - Fetal Alcohol Effects |
| FAS - Fetal Alcohol Syndrome |
| FASDs - Fetal Alcohol Spectrum Disorders |
| FFI - Fatal familial insomnia |
| FMA - Focal Muscular Atrophies |
| FMD - Fibromuscular dysplasia |
| FMS - Fibromyalgia Syndrome |
| FSP - Familial spastic paraparesis |
| FTD - Frontotemporal dementia |
| FVS - Fetal Valproate Syndrome |
| FXS - Fragile X syndrome |
| GAD - Generalized anxiety disorder |
| GAN - Giant axonal neuropathy |
| GAS disease - Group A Streptococcal disease |
| GBS - Guillain-Barré Syndrome |
| GBS disease - Group B Streptococcal disease |
| GCE - Glycine encephalopathy |
| GD - Gestational diabetes |
| GERD - Gastroesophageal reflux disease |
| GI - Gastrointestinal |
| GIB - Gastro-intestinal bleeding |
| GN - Glossopharyngeal neuralgia |
| GSS disease - Gerstmann-Straussler-Scheinker disease |
| GT/LD - Gifted and learning disabled |
| GVHD - Graft-versus-host disease |
| GWD - Guinea worm disease |
| HAS - Holmes-Adie syndrome |
| HD - Huntington's Disease |
| HDL2 - Huntington's disease-like 2 |
| HELLP syndrome - Hemolytic anemia, Elevated Liver enzymes and Low Platelet count syndrome |
| HFA - High Functioning Autism |
| HFMD - Hand, foot, and mouth disease |
| HFRS - Hemorrhagic fever with renal syndrome |
| HI - Hearing impaired |
| HiB disease - Idiopathic Hyperaldosteronism |
| HMSN Type III - Hereditary Motor and Sensory Polyneuropathy Type III |
| HOH - Hard of hearing |
| HPN - Hypertension |
| HPRT deficiency - Hypoxanthine-guanine phosphoribosyl transferase deficiency |
| HPS - Hantavirus pulmonary syndrome |
| HPV Infection - Human Papillomavirus Infection |
| HSP - Hereditary spastic paraplegia |
| IBD - Inflammatory bowel disease |
| IBIDS syndrome - Ichthyosis, brittle hair, intellectual impairment, decreased fertility, and short stature syndrome |
| IBM - Inclusion body myositis |
| IBS - Ichthyosis bullosa of Siemens |
| IBS - Irritable bowel syndrome |
| IC/PBS - Interstitial cystitis/painful bladder syndrome |
| ICF syndrome - Immunodeficiency, Centromere instability and Facial anomalies syndrome |
| IHA - Idiopathic Hyperaldosteronism |
| IED - Intermittent Explosive Disorder |
| IFAP syndrome - Ichthyosis follicularis, alopecia, and photophobia syndrome |
| INAD - Infantile neuroaxonal dystrophy |
| IP - Incontinentia pigmenti |
| IRD - Infantile Refsum disease |
| IS - Infantile spasm |
| ITP - Idiopathic thrombocytopenic purpura |
| LCM - Lymphocytic choriomeningitis |
| LD - Learning Disabilities/Differences |
| LD - Legionnaires' Disease |
| LEMS - Lambert-Eaton myasthenic syndrome |
| LFA - Low Functioning Autism |
| LGV - Lymphogranuloma venereum |
| LKS - Landau-Kleffner syndrome |
| LNS - Lesch-Nyhan syndrome |
| LP - Lipoid proteinosis |
| LP - Little person/people |
| MAC - Mycobacterium avium complex |
| MBD - Minimal brain dysfunction |
| MCS - Multiple Chemical Sensitivities |
| MD - Muscular dystrophy |
| MDR TB - Multi-drug-resistant tuberculosis |
| MID - Multi-infarct dementia |
| MJD - Machado-Joseph disease |
| ML - Mucolipidoses |
| MLD - Metachromatic leukodystrophy |
| MMA - Monomelic amyotrophy |
| MMR - Measles, mumps, rubella |
| MMRV - Measles, mumps, rubella, varicella |
| MND - Motor neuron disease |
| MOH - Medication overuse headaches |
| MPD - Myeloproliferative disorders |
| MPS I - Mucopolysaccharoidosis Type I |
| MPS II - Mucopolysaccharoidosis Type II |
| MPS III - Mucopolysaccharoidosis Type III |
| MPS IV - Mucopolysaccharoidosis Type IV |
| MPS VI - Mucopolysaccharoidosis Type VI |
| MPS VII - Mucopolysaccharoidosis Type VII |
| MR/DD - Mentally retarded/Developmentally disabled |
| MS - Multiple Sclerosis |
| MSDD - Multi-Sensory Developmental Delays |
| NAS - Neonatal Abstinence Syndrome |
| NBIA - Neurodegeneration with brain iron accumulation |
| NCL - Neuronal Ceroid Lipofuscinosis |
| NF1 - Neurofibromatosis type 1 |
| NF2 - Neurofibromatosis type 2 |
| NKH - Nonketotic hyperglycinemia |
| NLD - Nonverbal learning disability |
| NMDs - Neuronal migration disorders |
| NMO - Neuromyelitis optica |
| NMS - Neuroleptic malignant syndrome |
| NP - Niemann-Pick disease |
| NPC1 - Niemann-Pick disease, type C1 |
| NPH - Normal pressure hydrocephalus |
| NTD - Neural Tube Defect |
| NTDs - Neural tube defects |
| PBC - Primary biliary cirrhosis |
| PBD - Peroxisome biogenesis disorders |
| PCOS - Polycystic ovarian syndrome |
| PD - Parkinson's disease |
| PDD - Pervasive Developmental Disorder |
| PDD-NOS - Pervasive developmental disorder not otherwise specified |
| PDD/NOS - Pervasive developmental disorder not otherwise specified |
| PKAN - Panthothenate kinase-associated neurodegeneration |
| PLMD - Periodic limb movement disorder |
| PLS - Primary lateral sclerosis |
| PMD - Pelizaeus-Merzbacher disease |
| PML - Progressive multifocal leukoencephalopathy |
| PMS - Premenstrual Syndrome |
| POTS - Postural orthostatic tachycardia syndrome |
| PPMA - Postpolio Progressive Muscular Atrophy |
| PPS - Post-polio syndrome |
| PSC - Primary sclerosing cholangitis |
| PSP - Progressive supranuclear palsy |
| PVL - Periventricular leukomalacia |
| PW - Port-wine stain |
| RA - Rheumatoid Arthritis |
| RAD - Reactive Airway Disease |
| RIND - Reversible ischemic neurologic deficit |
| RLF - Retrolental fibroplasia |
| RLS - Restless legs syndrome |
| RMDs - Repetitive motion disorders |
| ROP - Retinopathy of prematurity |
| RS - Reye's syndrome |
| RSD - Reflex Sympathetic Dystrophy |
| RTI - Respiratory Tract Infection |
| SARS - Severe Acute Respiratory Syndrome |
| SB - Spina bifida |
| SBS - Shaken Baby Syndrome |
| SC - Sydenham chorea |
| SD - Saint Vitus's dance |
| SIDS - Sudden Infant Death Syndrome |
| SIS - Shaken infant syndrome |
| SLE - Systemic lupus erythematosus |
| SMA - Spinal Muscular Atrophy |
| SMEI - Severe myoclonic epilepsy of infancy |
| SMS - Smith-Magenis Syndrome |
| SOD - Septo-optic dysplasia |
| SPS - Stiff person syndrome |
| SSPE - Subacute sclerosing panencephalitis |
| STD - Sexually Transmitted Disease |
| SUNCT Headache - Short-lasting, Unilateral, Neuralgiform headache |
| SWS - Sturge-Weber syndrome |
| TAC - Trigeminal autonomic cephalgia |
| TB - Tuberculosis |
| TBI - Traumatic brain injury |
| TCS - Tethered cord syndrome |
| TEF - Tracheoesophageal fistula |
| TIA - Transient ischemic attack |
| TMH - Trainable mentally handicapped |
| TMJ/TMD - Temporomandibular joint disorder |
| TMR - Trainable mentally retarded |
| TN - Trigeminal neuralgia |
| TOS - Thoracic Outlet Syndrome |
| TS - Tourette syndrome |
| TS - Tuberous sclerosis |
| TSC - Tuberous sclerosis |
| TSEs - Transmissible spongiform encephalopathies |
| TSP - Tropical spastic paraparesis |
| TTH - Tension type headache |
| TTP - Thrombotic thrombocytopenic purpura |
