| HARM | heparin assay rapid method |
|---|---|
| HIA | Hearing Industries Association; heat infusion agar; hemagglutination inhibition antibody or assay |
| IEMA | immunoenzymatic assay |
| IPA | immunoperoxidase assay; incontinentia pigmenti achromians; independent physician or practice associa... |
| IPIA | immunoperoxidase infectivity assay |