- Hypoalbuminemia 273.8
- Hypoaldosteronism 255.42
- Hypoalphalipoproteinemia 272.5
- Hypobarism 993.2
- Hypobaropathy 993.2
- Hypobetalipoproteinemia (familial) 272.5
- Hypocalcemia 275.41
- Hypocalcification, teeth 520.4
- Hypochloremia 276.9
- Hypochlorhydria 536.8
- Hypocholesteremia 272.5
- Hypochondria (reaction) 300.7
- Hypochondriac 300.7
- Hypochondriasis 300.7
- Hypochromasia blood cells 280.9
- Hypochromic anemia 280.9
- Hypocoagulability (see also Defect, coagulation) 286.9
- Hypocomplementemia 279.8
- Hypocythemia (progressive) 284.9
- Hypodontia (see also Anodontia) 520.0
- Hypoeosinophilia 288.59
- Hypoesthesia (see also Disturbance, sensation) 782.0