- Hypertrichosis 704.1
- Hypertriglyceridemia, essential 272.1
- Hypertrophy, hypertrophic
- Hypertropia (intermittent) (periodic) 378.31
- Hypertyrosinemia 270.2
- Hyperuricemia 790.6
- Hypervalinemia 270.3
- Hyperventilation (tetany) 786.01
- Hyperviscidosis 277.00
- Hyperviscosity (of serum) (syndrome) NEC 273.3
- Hypervitaminosis (dietary) NEC 278.8
- Hypervolemia 276.69
- Hypesthesia (see also Disturbance, sensation) 782.0
- Hyphema (anterior chamber) (ciliary body) (iris) 364.41
- Hyphemia - see Hyphema
- Hypo-ovarianism 256.39
- Hypo-ovarism 256.39
- Hypo-TBG-nemia 246.8
- Hypoacidity, gastric 536.8
- Hypoactive labyrinth (function) - see Hypofunction, labyrinth
- Hypoadrenalism 255.41
- Hypoadrenocorticism 255.41