| IAH | idiopathic adrenal hyperplasia; implantable artificial heart |
|---|---|
| IPEH | intravascular papillary endothelial hyperplasia |
| IPH | idiopathic portal hypertension; idiopathic pulmonary hemosiderosis; idiopathic pulmonary hypertensio... |
| NRH | nodular regenerative hyperplasia |
| VAH | vertebral ankylosing hyperostosis; Veterans Affairs Hospital; virilizing adrenal hyperplasia |