| IMEM | improved minimum essential medium |
|---|---|
| IMM | inhibitor-containing minimal medium; internal medial malleolus |
| ITM | improved Thayer-Martin [medium]; intrathecal methotrexate; Israel turkey meningoencephalitis |
| KF | Kenner-fecal medium; kidney function; Klippel-Feil [syndrome] |
| KGM | keratinocyte growth medium |