Macrophage Activation Syndrome
Macrothrombocytopenia
Macular Degeneration
Macular dystrophy
Macular Edema
Maculopathy
Major Adverse Cardiac Events
major injury
Malabsorption Syndromes
Malaria
Malaria, Avian
Malaria, Cerebral
Malaria, Vivax
Male Infertility
Male Pattern Alopecia
Male Reproductive System Disorder
Male sexual dysfunction
Malig neopl bone NOS
Malignant Endocrine Neoplasm
Malignant Endometrial Neoplasm
Malignant Female Reproductive System Neoplasm
Malignant neoplasm
Malignant Nervous System Neoplasm
Malignant Neurilemmomas
Malignant Oropharyngeal Neoplasm
Malignant Pleural Mesotheliomas
Malignant Small Intestinal Neoplasm
Malignant Thyroid Gland Neoplasm
Malnutrition
Malnutrition in Children
Mammary Neoplasms, Animal
Manganese Poisoning
Maple syrup urine disease
Marburg Virus Disease
Marburgvirus
Marden-Walker syndrome
Marfan Syndrome
Marginal Zone Lymphoma
Mast Cell Activation Syndrome
Mast Cell Neoplasm
Mastitis
Mastocytosis
Mastodynia
Maternal hypertension
maternal hypothyroidism
Maturity-onset diabetes of the young
Mayaro virus
Measles
Measles virus
Meckel syndrome
Meconium Ileus
Meconium Peritonitis
MECP2 duplication syndrome
Medial epicondyle apophysitis
Medial Tibial Stress Syndrome
median nerve injury
Medulloblastoma
Megacolon, Toxic
Meibomian Gland Dysfunction
Melanoma
Melanoma In Situ
Melioidosis
Mendelian Susceptibility to Mycobacterial Diseases
Meniere's Disease
Meningioma
Meningitis
Meningitis, Aseptic
Meningitis, Bacterial
Meningitis, Cryptococcal
Meningitis, Fungal
Meningitis, Meningococcal
Meningitis, Pneumococcal
Meningitis, Viral
Meningococcal Disease
Meningococcal Meningitis, Serogroup B
Meningoencephalitis
Menkes syndrome
Menopausal Symptom
Menopausal Syndrome
Menopause, Premature
Merbecoviruses
mercury exposure
Merkel cell polyomavirus
Mesothelioma
Mesothelioma, Malignant
Metabolic Disorders
Metabolic Syndrome
Metabolism, Inborn Errors
Metachromatic leukodystrophy
Metastatic Biliary Tract Carcinoma
metastatic breast cancer
Metastatic Breast Carcinoma
Metastatic Castration-Resistant Prostate Carcinoma
Metastatic Castration-Sensitive Prostate Carcinoma
metastatic colorectal cancer
Metastatic Colorectal Carcinoma
Metastatic Cutaneous Melanoma
Metastatic Lung Carcinoma
Metastatic Malignant Neoplasm
Metastatic Malignant Neoplasm in the Bone
Metastatic Malignant Neoplasm in the Leptomeninges
Metastatic Malignant Neoplasm in the Liver
Metastatic Malignant Neoplasm in the Lung
Metastatic Melanoma
Metastatic Neoplasm
Metastatic Ovarian Carcinoma
Metastatic Pancreatic Ductal Adenocarcinoma
Metastatic Prostate Carcinoma
metastatic renal cell cancer
Metastatic Renal Cell Carcinoma
Metastatic Uveal Melanoma
Metatarsalgia
Methemoglobinemia
Methylmalonic acidemia
Microcytic Anemia
Microsatellite Stable Colorectal Carcinoma
Microscopic Polyangiitis
microtrauma
Microvascular Angina
Middle Ear Disorder
Middle East Respiratory Syndrome
Middle East Respiratory Syndrome Coronavirus
Migraine
Migraine with Aura
Migraine without Aura
Mild Concussion
Miliaria
Minimally Conscious States
MINOCA
Minor, Variola
Miosis
MIS-C multisystem inflammatory syndrome in children
Mitochondrial complex III deficiency
Mitochondrial Diseases
Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes
Mitochondrial encephalopathy
Mitochondrial Myopathies
Mitral Valve Insufficiency
Mitral Valve Prolapse
Mitral Valve Stenosis
Mobility Limitation
Modified vaccinia ankara
Molluscum Contagiosum
Moloney murine leukemia virus
MONKEYPOX
Monkeypox virus
Monkeypox Virus Clade I
Monkeypox virus clade Ia
Monkeypox virus clade Ib
Monkeypox Virus Clade II
Monoclonal B-Cell Lymphocytosis
Monoclonal Gammapathy
Monoclonal Gammopathy of Undetermined Significance
Monogenic Diabetes
Moon facies
Morpheas
mosaic variegated aneuploidy
Mosquito Bites
Motion Sickness
Motor Disorders
Motor Neuron Disease
Motor Seizure
Mouse Poliovirus
Mouth Neoplasms
Movement Disorders
Moyamoya disease
Mpox
MRSA
MS2 Phages
Muckle Wells Syndrome
Mucocutaneous Candidiasis
Mucopolysaccharidoses
Mucopolysaccharidosis type I
Mucopolysaccharidosis type II
Mucopolysaccharidosis type III
Mucopolysaccharidosis type IV
Mucormycosis
Mucosal Melanoma
Multi-centric Castleman's Disease
multiple allergies
Multiple Endocrine Neoplasia Type 1
Multiple Endocrine Neoplasia Type 2
Multiple Myeloma
Multiple Organ Failure
Multiple Sclerosis
MULTIPLE SCLEROSIS SECOND PROGRESSIVE
Multiple Sclerosis, Chronic Progressive
Multiple Sclerosis, Relapsing-Remitting
Multiple sulfatase deficiency
Multiple Trauma
MULTISYSTEM DISORDER
Mumps
Murine hepatitis virus
Muscle degeneration
Muscle Disorders
muscle injury
Muscle Rigidity
Muscle Spasticity
Muscle Stiffness
Muscle Weakness
Muscular Dystrophy
Muscular Dystrophy, Becker's
Muscular Dystrophy, Duchenne
MUSCULAR DYSTROPHY, LIMB-GIRDLE, AUTOSOMAL RECESSIVE 25
Musculoskeletal Diseases
Musculoskeletal Injury
Mushroom Poisoning
Myalgia
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myasthenia Gravis
Mycetoma
Mycobacterial Infections
Mycoplasma pneumoniae Infections
Mycosis fungoides
Mycotoxicosis
Mydriasis
Myelin Oligodendrocyte Glycoprotein Antibody-Associated Disease
Myelitis
Myelitis, Transverse
Myelodysplastic Syndromes
Myelodysplastic-Myeloproliferative Diseases
Myelofibrosis
Myeloproliferative Disorders
Myiasis
Myocardial Contusions
myocardial injury
Myocardial Ischemia
Myocarditis
Myopathy, X-Linked, with Excessive Autophagy
Myositis
Myositis, Inclusion Body
Myotonic dystrophy
Myotoxicity
myringitis
Myxoma virus
