| Manson's | 
  |  | 
  |  | 
  | Manual - see condition | 
  |  | 
  | Maple bark-strippers' lung 495.6 | 
  | Maple syrup (urine) disease or syndrome 270.3 | 
  | Marable's syndrome (celiac artery compression) 447.4 | 
  |  | 
  |  | 
  | Marble | 
  |  | 
  | Marburg disease (virus) 078.89 | 
  | March | 
  |  | 
  | Marchand multiple nodular hyperplasia (liver) 571.5 | 
  | Marchesani (-Weill) syndrome (brachymorphism and ectopia lentis) 759.89 | 
  | Marchiafava (-Bignami) disease or syndrome 341.8 | 
  | Marchiafava-Micheli syndrome (paroxysmal nocturnal hemoglobinuria) 283.2 | 
  | Marcus Gunn's syndrome (jaw-winking syndrome) 742.8 | 
  | Marfan's | 
  |  | 
  | Marginal | 
  |  | 
  | Marie's | 
  |  | 
  | Marie-Bamberger disease or syndrome (hypertrophic) (pulmonary) (secondary) 731.2 | 
  |  | 
  | Marie-Charcôt-Tooth neuropathic atrophy, muscle 356.1 | 
  | Marie-Strümpell arthritis or disease (ankylosing spondylitis) 720.0 | 
  | Marihuana, marijuana | 
  |  | 
  | Marion's disease (bladder neck obstruction) 596.0 | 
  |  | 
  | Mark | 
  |  | 
  | Maroteaux-Lamy syndrome (mucopolysaccharidosis VI) 277.5 | 
  | Marriage license examination V70.3 | 
  | Marrow (bone) | 
  |  | 
  |  | 
  | Marsh's disease (exophthalmic goiter) 242.0 | 
  | Marshall's (hidrotic) ectodermal dysplasia 757.31 | 
  | Marsh fever (see also Malaria) 084.6 | 
  |  | 
  | Martin-Albright syndrome (pseudohypoparathyroidism) 275.49 | 
  | Martorell-Fabre syndrome (pulseless disease) 446.7 | 
  | Masculinization, female, with adrenal hyperplasia 255.2 | 
  | Masculinovoblastoma (M8670/0) 220 | 
  |  | 
  |  | 
  | Mass | 
  |  | 
  | Massive - see condition | 
  |  | 
  |  | 
  | Mast cell | 
  |  | 
  | Masters-Allen syndrome 620.6 | 
  | Mastitis (acute) (adolescent) (diffuse) (interstitial) (lobular) (nonpuerperal) (nonsuppurative) (parenchymatous) (phlegmonous) (simple) (subacute) (suppurative) 611.0 | 
  |  | 
  | Mastocytoma (M9740/1) 238.5 | 
  |  | 
  |  | 
  |  | 
  |  | 
  |  | 
  | Mastoid - see condition | 
|  |  |