What does ac stand for in the in-hospital transport grading scheme

Patient self-mobility. In a healthcare facility's Intrahospital Transportation Grading Scheme, ac stands for patient self-mobility, which means that the patient is able to walk and move on his or her own without external support or assistive devices. In the Intrahospital Transportation Grading Scheme, depending on the patient's medical condition and physical status, different transfer modalities and levels of transfer will be arranged to ensure the patient's safety and comfort.