- Hyperviscidosis 277.00
- Hyperviscosity (of serum) (syndrome) NEC 273.3
- Hypervitaminosis (dietary) NEC 278.8
- Hypervolemia 276.6
- 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 255.4
- Hypoadrenocorticism 255.4
- Hypoalbuminemia 273.8
- Hypoaldosteronism 255.4
- Hypoalphalipoproteinemia 272.5
- Hypobarism 993.2
- Hypobaropathy 993.2
- Hypobetalipoproteinemia (familial) 272.5
- Hypocalcemia 275.41
- Hypocalcification, teeth 520.4
