The Royal College of Physicians' Accreditation Unit offers a range of accreditation programmes, with the aim of improving the quality, safety and experience of clinical services. The Accreditation unit runs programmes in the following clinical services:

• Liver - Improving Quality in Liver services (IQILS)
• Pulmonary rehabilitation Services Accreditation scheme (PRSAS)
• Primary Immunodeficiency - Quality of Primary Immunodeficiency Services accreditation services (QPIDS)
• Allergy - Improving Quality in Allergy services (IQAS)