- Hypokalemia 276.8
- Hypokinesia 780.99
- Hypoleukia splenica 289.4
- Hypoleukocytosis 288.8
- Hypolipidemia 272.5
- Hypolipoproteinemia 272.5
- Hypomagnesemia 275.2
- Hypomania, hypomanic reaction (see also Psychosis, affective) 296.0
- Hypomastia (congenital) 757.6
- Hypomenorrhea 626.1
- Hypometabolism 783.9
- Hypomotility
- Hyponasality 784.49
- Hyponatremia 276.1
- Hypoparathyroidism (idiopathic) (surgically induced) 252.1
- Hypopharyngitis 462
- Hypophoria 378.40
- Hypophosphatasia 275.3
- Hypophosphatemia (acquired) (congenital) (familial) 275.3
- Hypophyseal, hypophysis - see also condition
- Hypophyseothalamic syndrome 253.8
- Hypopiesis - see Hypotension
