• Martin's disease 715.27
  • Martin-Albright syndrome (pseudohypoparathyroidism) 275.49
  • Martorell-Fabre syndrome (pulseless disease) 446.7
  • Masculinization, female, with adrenal hyperplasia 255.2
  • Masculinovoblastoma (M8670/0) 220
  • Masochism 302.83
  • Masons' lung 502
  • Mass
  • Massive - see condition
  • Mast cell
  • Mastalgia 611.71
  • 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
  • Mastocytosis 757.33
  • Mastodynia 611.71
  • Mastoid - see condition
  • Mastoidalgia (see also Otalgia) 388.70
  • Mastoiditis (coalescent) (hemorrhagic) (pneumococcal) (streptococcal) (suppurative) 383.9
  • Mastopathy, mastopathia 611.9
  • Mastoplasia 611.1
  • Masturbation 307.9