- Hyperosmia (see also Disturbance, sensation) 781.1
- Hyperosmolality 276.0
- Hyperosteogenesis 733.99
- Hyperostosis 733.99
- Hyperovarianism 256.1
- Hyperovarism, hyperovaria 256.1
- Hyperoxaluria (primary) 271.8
- Hyperoxia 987.8
- Hyperparathyroidism 252.00
- Hyperpathia (see also Disturbance, sensation) 782.0
- Hyperperistalsis 787.4
- Hyperpermeability, capillary 448.9
- Hyperphagia 783.6
- Hyperphenylalaninemia 270.1
- Hyperphoria 378.40
- Hyperphosphatemia 275.3
- Hyperpiesia (see also Hypertension) 401.9
- Hyperpiesis (see also Hypertension) 401.9
- Hyperpigmentation - see Pigmentation
- Hyperpinealism 259.8
- Hyperpipecolatemia 270.7
- Hyperpituitarism 253.1