| Z |
| Zahorsky's syndrome |
| Zellweger's syndrome Q87.89 |
| Zenker's diverticulum |
| Ziehen-Oppenheim disease G24.1 |
| Zieve's syndrome K70.0 |
| Zinc |
| deficiency, dietary E60 |
| metabolism disorder E83.2 |
| Zollinger-Ellison syndrome E16.4 |
| Zona --see Herpes, zoster |
| Zoophobia F40.218 |
| Zoster |
| Zygomycosis B46.9 |
| specified NEC B46.8 |
| Zymotic --see condition |