A multipurpose medical instrument capping device is disclosed. The device includes a syringe cap having a first end that is adapted to engage an access port of an IV line. The syringe cap also includes a second end that is adapted to engage a needleless opening on an IV flush syringe. The luer cap includes a closed end and an open end that is adapted to engage an IV luer. The syringe cap and the luer cap are removably secured together by a coupler.
