| IDU | idoxuridine; injection or intravenous drug user; iododeoxyuridine |
|---|---|
| IEC | injection electrode catheter; International Electrotechnical Commission; intraepithelial carcinoma; ... |
| IMI | immunologically measurable insulin; impending myocardial infarction; Imperial Mycological Institute ... |
| inj | injection; injury, injured, injurious |
| inject | injection |