International Units per Microliter

**Semantic type:** Quantitative Concept

**Definition:** A unit of arbitrary substance concentration (biologic activity concentration) defined as the concentration of one international unit per one microliter of system volume.

**Synonyms:** - IU/uL - KiloInternationalUnitsPerMilliLiter - Kilointernational Unit per Milliliter - kIU/mL - k[IU]/mL - k[iU]/mL - kilo international unit per milliliter