A point-of-care system comprising: a dispensing cabinet comprising: a housing comprising a containment pocket configured to receive a single-item access, SIA, sub-drawer; and a first processor disposed within the housing; and a SIA sub-drawer comprising: a body configured to be secured within the containment pocket, the body comprising a compartment; a lid coupled to the body, the lid selectably securable in a closed position that encloses the compartment; a lid latch coupled to the body and configured to secure and selectably release the lid; a sub-drawer latch coupled to the body and configured to engage and selectably release a retention hook of the containment pocket; and a second processor coupled to the lid latch and the sub-drawer latch, the second processor configured to cause (i) the lid latch to release the lid upon receipt of a lid-release signal, and (ii) the sub-drawer latch to release the retention hook of the containment pocket upon receipt of a sub-drawer release signal from the first processor, wherein: the sub-drawer latch includes a sliding member coupled to a motor included in the sub-drawer latch, wherein the sliding member is captured in a guide, the sliding member is coupled to a rotating member that pivots about a pin, and the system configured so that when the sliding member is extended the rotating member engages the retention hook and prevents the sub-drawer from being removed from the containment pocket, and, the system configured so that when the sliding member is retracted, the rotating member disengages from the retention hook and permits the sub-drawer to be removed from the containment pocket. a dispensing cabinet comprising: a housing comprising a containment pocket configured to receive a single-item access, SIA, sub-drawer; and a first processor disposed within the housing; and a housing comprising a containment pocket configured to receive a single-item access, SIA, sub-drawer; and a first processor disposed within the housing; and a SIA sub-drawer comprising: a body configured to be secured within the containment pocket, the body comprising a compartment; a lid coupled to the body, the lid selectably securable in a closed position that encloses the compartment; a lid latch coupled to the body and configured to secure and selectably release the lid; a sub-drawer latch coupled to the body and configured to engage and selectably release a retention hook of the containment pocket; and a second processor coupled to the lid latch and the sub-drawer latch, the second processor configured to cause (i) the lid latch to release the lid upon receipt of a lid-release signal, and (ii) the sub-drawer latch to release the retention hook of the containment pocket upon receipt of a sub-drawer release signal from the first processor, wherein: the sub-drawer latch includes a sliding member coupled to a motor included in the sub-drawer latch, wherein the sliding member is captured in a guide, the sliding member is coupled to a rotating member that pivots about a pin, and the system configured so that when the sliding member is extended the rotating member engages the retention hook and prevents a body configured to be secured within the containment pocket, the body comprising a compartment; a lid coupled to the body, the lid selectably securable in a closed position that encloses the compartment; a lid latch coupled to the body and configured to secure and selectably release the lid; a sub-drawer latch coupled to the body and configured to engage and selectably release a retention hook of the containment pocket; and a second processor coupled to the lid latch and the sub-drawer latch, the second processor configured to cause (i) the lid latch to release the lid upon receipt of a lid-release signal, and (ii) the sub-drawer latch to release the retention hook of the containment pocket upon receipt of a sub-drawer release signal from the first processor, wherein: the sub-drawer latch includes a sliding member coupled to a motor included in the sub-drawer latch, wherein the sliding member is captured in a guide, the sliding member is coupled to a rotating member that pivots about a pin, and the system configured so that when the sliding member is extended the rotating member engages the retention hook and prevents the sub-drawer latch includes a sliding member coupled to a motor included in the sub-drawer latch, wherein the sliding member is captured in a guide, the sliding member is coupled to a rotating member that pivots about a pin, and the system configured so that when the sliding member is extended the rotating member engages the retention hook and prevents the sub-drawer from being removed from the containment pocket, and, the system configured so that when the sliding member is retracted, the rotating member disengages from the retention hook and permits the sub-drawer to be removed from the containment pocket.