Hypophyseal, hypophysis - see also condition  | 
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  Hypophyseothalamic syndrome  253.8 | 
  Hypopiesis - see Hypotension  | 
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  Hypopituitarism (juvenile) (syndrome)  253.2 | 
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  Hypoproaccelerinemia (see also Defect, coagulation)  286.3 | 
  Hypoproconvertinemia (congenital) (see also Defect, coagulation)  286.3 | 
  Hypoproteinemia (essential) (hypermetabolic) (idiopathic)  273.8 | 
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  Hypoprothrombinemia (congenital) (hereditary) (idiopathic) (see also Defect, coagulation)  286.3 | 
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  Hypopyon (anterior chamber) (eye)  364.05 | 
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  Hyposecretion  | 
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  Hyposegmentation of neutrophils, hereditary  288.2 | 
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  Hyposomnia, unspecified (see also Insomnia)  780.52 | 
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  Hypospermatogenesis  606.1 | 
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  Hypostasis, pulmonary  514 | 
  Hypostatic - see condition  | 
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  Hypotension (arterial) (constitutional)  458.9 | 
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  Hypothermia (accidental)  991.6 | 
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  Hypothymergasia (see also Psychosis, affective)  296.2 | 
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  Hypothyroidism (acquired)  244.9 | 
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  Hypotonia, hypotonicity, hypotony  781.3 | 
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  Hypovitaminosis (see also Deficiency, vitamin)  269.2 | 
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  Hypoxemia (see also Anoxia)  799.02 | 
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  Hypoxia (see also Anoxia)  799.02 | 
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  Hypoxic-ischemic encephalopathy (HIE)  768.7 | 
  Hypsarrhythmia (see also Epilepsy)  345.6 | 
  Hysteralgia, pregnant uterus  646.8 | 
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