| Abbreviation | Definition |
|---|---|
| HMP | Hot moist packs |
| HMS | Health Management System |
| HMS | HyperMobility Syndrome |
| HMSA | Hawaii Medical Service Association |
| HMSA | HyperMobility Syndrome Association |
| HMSE | Headache Management Self-Efficacy |
| HMSM | Human Myometrial Smooth Muscle |
| HMSN | Hereditary Motor and Sensory Neuropathy |
| HMV | Hair, Melanin, and Veins |
| HN | High Nitrogen |
| HNAC | Heymann Nephritis Antigenic Complex |
| HNAD | Atopic Dermatitis of the Head and Neck |
| HNAN | Heterotrophic NANoflagellate |
| HNP | Herniated Nucleus Pulposus |
| HNV | Has Not Voided |
| HO | History of |
| HOB | Head of bed |
| HOG | Hemophillia of Georgia |
| HOM | High Order Multiples |
| HOMA | homeostatic model assessment |