ICD-10-CM
- Macacus ear
- Maceration, wet feet, tropical (syndrome)
- MacLeod's syndrome
- Macrocephalia, macrocephaly
- Macrocheilia, macrochilia (congenital)
- Macrocytosis
- Macrodontia
- Macrogenia
- Macrognathia, macrognathism (congenital) (mandibular) (maxillary)
- Macrogyria (congenital)
- Macropsia
- Macrospondylitis , acromegalic
- Macrostomia (congenital)
- Macrotia (external ear) (congenital)
- Maculae ceruleae
- Maduromycosis
- Maffucci's syndrome
- Malabar itch (any site)
- Maladie de Roger
- Malaise
- Malassez's disease (cystic)
- Malassimilation
- Mal de mer
- Malibu disease
- Malingerer, malingering
- Malleus
- Mallory's bodies
- Mallory-Weiss syndrome
- Malposture
- Maltworker's lung
- Mammoplasia
- Manic depression
- Mannosidosis
- Mansonelliasis, mansonellosis
- Maple-bark-stripper's lung (disease)
- Maple-syrup-urine disease
- Marable's syndrome (celiac artery compression)
- Marburg virus disease
- Marchesani (-Weill) syndrome
- Marchiafava (-Bignami) syndrome or disease
- Marchiafava-Micheli syndrome
- Marcus Gunn's syndrome
- Marie-Charcot-Tooth neuropathic muscular atrophy
- Marion's disease (bladder neck obstruction)
- Marital conflict
- Maroteaux-Lamy syndrome (mild) (severe)
- Marseilles fever
- Marshall's (hidrotic) ectodermal dysplasia
- Masculinovoblastoma
- Masochism (sexual)
- Mason's lung
- Mastalgia
- Masters-Allen syndrome
- Mastodynia
- Mastoidalgia
- Mastoplasia, mastoplastia
- Masturbation (excessive)
- Matheiu's disease (leptospiral jaundice)
- Maxcy's disease
- May (-Hegglin) anomaly or syndrome
- McArdle (-Schmid)(-Pearson) disease (glycogen storage)
- McCune-Albright syndrome
- McQuarrie's syndrome (idiopathic familial hypoglycemia)
- ME/CFS (myalgic encephalomyelitis/chronic fatigue syndrome)
- Meadow's syndrome
- Meat-wrappers' asthma
- Meckel-Gruber syndrome
- MED13L (mediator complex subunit 13L) syndrome
- Mediastinal shift
- Mediator complex subunit 13L (MED13L) syndrome
- Medullary cystic kidney
- Megalencephaly
- Megalerythema (epidemic)
- Megaloappendix
- Megalocephalus, megalocephaly NEC
- Megalocytic anemia
- Megaloduodenum
- Megalophthalmos
- Megalopsia
- Megarectum
- Megavitamin-B6 syndrome
- Meige's syndrome
- Meige-Milroy disease (chronic hereditary edema)
- Melalgia, nutritional
- Melanemia
- Melanocytoma, eyeball
- Melanocytosis, neurocutaneous
- Melanoderma, melanodermia
- Melanodontia, infantile
- Melanodontoclasia
- Melanuria
- MELAS syndrome
- Melitensis, febris
- Melkersson (-Rosenthal) syndrome
- Meloschisis
- Melotia
- Membranacea placenta
- Membranaceous uterus
- Menadione deficiency
- Mendacity, pathologic
- Ménière's disease, syndrome or vertigo
- Meningoencephalomyelopathy
- Meningoencephalopathy
- Menometrorrhagia
- Menostaxis
- Menses, retention
- Meralgia paresthetica
- Mercurialism
- MERRF syndrome (myoclonic epilepsy associated with ragged-red fiber)
- Merzbacher-Pelizaeus disease
- Mesiodens, mesiodentes
- Mesio-occlusion
- Mesostromal dysgenesia
- Metabolic syndrome
- Metagonimiasis
- Metagonimus infestation (intestine)
- Metamorphopsia
- Metastrongyliasis
- Methioninemia
- Methylmalonic acidemia
- Metropathia hemorrhagica
- Metrosalpingitis
- Metrostaxis
- Meyer-Schwickerath and Weyers syndrome
- Mibelli's disease (porokeratosis)
- Micrencephalon, micrencephaly
- Microalbuminuria
- Microcalcifications, breast
- Microcheilia
- Microcolon (congenital)
- Microcornea (congenital)
- Microdeletions NEC
- Microdontia
- Microencephalon
- Microgastria (congenital)
- Microgenia
- Microglossia (congenital)
- Micrognathia, micrognathism (congenital) (mandibular) (maxillary)
- Microgyria (congenital)
- Microlentia (congenital)
- Microlithiasis, alveolar, pulmonary
- Micromastia
- Micromyelia (congenital)
- Micropenis
- Microphakia (congenital)
- Micropsia
- Microscopic polyangiitis (polyarteritis)
- Microsporon furfur infestation
- Microstomia (congenital)
- Microtia (congenital) (external ear)
- Microtropia
- Microvillus inclusion disease (MVD) (MVID)
- Miescher's elastoma
- Mietens' syndrome
- Migrant, social
- Migration, anxiety concerning
- Mikity-Wilson disease or syndrome
- Mikulicz' disease or syndrome
- Milk-alkali disease or syndrome
- Milkman's disease or syndrome
- Millar's asthma
- Millard-Gubler (-Foville) paralysis or syndrome
- Miller Fisher syndrome
- Millstone maker's pneumoconiosis
- Milroy's disease (chronic hereditary edema)
- Minamata disease
- Miners' asthma or lung
- Minor's disease (hematomyelia)
- Minot's disease (hemorrhagic disease), newborn
- Miosis (pupil)
- Mirizzi's syndrome (hepatic duct stenosis)
- Mirror writing
- MIS-A
- MIS-C
- Miscarriage
- Misdirection, aqueous
- Misperception, sleep state
- Misuse of drugs
- Mitchell's disease (erythromelalgia)
- Mittelschmerz
- MMN (multifocal motor neuropathy)
- MNGIE (Mitochondrial Neurogastrointestinal Encephalopathy) syndrome
- Mobitz heart block (atrioventricular)
- Moeller's glossitis
- MOGAD (myelin oligodendrocyte glycoprotein antibody disease)
- Mohr's syndrome (Types I and II)
- Mola destruens
- Molarization of premolars
- Molar pregnancy
- Molding, head(during birth) - omit code
- Molimen, molimina (menstrual)
- Molluscum contagiosum (epitheliale)
- Mondini's malformation (cochlea)
- Mondor's disease
- Monge's disease
- Monilethrix (congenital)
- Monkey malaria
- Monkeypox
- Monochromat (ism), monochromatopsia (acquired) (congenital)
- Monocytopenia
- Monocytosis (symptomatic)
- Monorchism, monorchidism
- Monteggia's fracture (-dislocation)
- Mooser's bodies
- Mooser-Neill reaction
- Morbidity not stated or unknown
- Morel (-Stewart)(-Morgagni) syndrome
- Morel-Moore syndrome
- Morgagni-Stewart-Morel syndrome
- Morgagni-Stokes-Adams syndrome
- Morgagni-Turner (-Albright) syndrome
- Moria
- Moron (I.Q.50-69)
- Morphea
- Morton's metatarsalgia (neuralgia)(neuroma) (syndrome)
- Morvan's disease or syndrome
- Moschowitz' disease
- Mother yaw
- Motion sickness (from travel, any vehicle) (from roundabouts or swings)
- Mottled, mottling, teeth (enamel) (endemic) (nonendemic)
- Movements, dystonic
- Moyamoya disease
- Mpox
- MSD (multiple sulfatase deficiency)
- Mucha-Habermann disease
- Muguet
- Mulberry molars (congenital syphilis)
- Multicystic kidney (development)
- Multipartita placenta
- Multisystem inflammatory syndrome (in adult) (in children)
- Murri's disease (intermittent hemoglobinuria)
- Mushroom-workers' (pickers') disease or lung
- MVD (microvillus inclusion disease)
- MVID (microvillus inclusion disease)
- Myasthenic
- Mycelium infection
- Mycoplasma (M.) pneumoniae, as cause of disease classified elsewhere
- Mydriasis (pupil)
- Myelatelia
- Myelinolysis, pontine, central
- Myelokathexis
- Myeloleukodystrophy
- Myelomalacia
- Myelomatosis
- Myelo-osteo-musculodysplasia hereditaria
- Myelophthisis
- Myeloradiculitis
- Myeloradiculodysplasia (spinal)
- Myelosarcoma
- Myocytolysis
- Myoglobulinuria, myoglobinuria (primary)
- Myokymia, facial
- Myomalacia
- Myonecrosis, clostridial
- Myospasia impulsiva
- Myriapodiasis
- Mysophobia
- Myxadenitis labialis
- Myxolipoma