| IPA | immunoperoxidase assay; incontinentia pigmenti achromians; independent physician or practice associa... |
|---|---|
| IPCD | infantile polycystic disease |
| IPKD | infantile polycystic kidney disease |
| IPN | infantile polyarteritis nodosa; infectious pancreatic necrosis [of trout]; intern progress note; int... |
| IRD | infantile Refsum syndrome; isorhythmic dissociation |