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  | Maladaptation - see Maladjustment | 
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  | Maladjustment | 
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  | Malakoplakia - see Malacoplakia | 
  | Malaria, malarial (fever) 084.6 | 
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  | Malassez's disease (testicular cyst) 608.89 | 
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  | Maldevelopment - see also Anomaly, by site | 
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  | Malformation (congenital) - see also Anomaly | 
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  | Malfunction - see also Dysfunction | 
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  | Malgaigne's fracture (closed) 808.43 | 
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  | Malherbe's | 
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  | Malignancy (M8000/3) - see Neoplasm, by site, malignant | 
  | Malignant - see condition | 
  | Malingerer, malingering V65.2 | 
  | Mallet, finger (acquired) 736.1 | 
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  |  | 
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  | Mallory-Weiss syndrome 530.7 | 
  | Malnutrition (calorie) 263.9 | 
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  | Malocclusion (teeth) 524.4 | 
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  | Malposition | 
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  | Malpresentation, fetus (see also Presentation, fetal) 652.9 | 
  | Malrotation | 
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  | MALT (mucosa associated lymphoid tissue) 200.3 | 
  | Malta fever (see also Brucellosis) 023.9 | 
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  | Maltreatment (of) | 
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  |  | 
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  | Mammillitis (see also Mastitis) 611.0 | 
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  | Mammitis (see also Mastitis) 611.0 | 
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  | Mammographic | 
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  | Management | 
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  | Mangled NEC (see also nature and site of injury) 959.9 | 
  | Mania (monopolar) (see also Psychosis, affective) 296.0 | 
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  | Manic-depressive insanity, psychosis, reaction, or syndrome (see also Psychosis, affective) 296.80 | 
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  | Manifestations, rheumatoid | 
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  | Mankowsky's syndrome (familial dysplastic osteopathy) 731.2 | 
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  | Manson's | 
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