01 = NHS patient, including overseas visitors charged under Section 121 of the NHS Act 1977 as amended by Section 7(12) and (14) of the Health and Medicine Act 1988

02 = Private patient: one who uses accommodation or services authorised under section 65 and/or 66 of the NHS Act 1977 (Section 7(10) of Health and Medicine Act 1988 refers) as amended by Section 26 of the National Health Service and Community Care Act 1990

03 = Amenity patient: one who pays for the use of a single room or small ward in accord with section 12 of the NHS Act 1977, as amended by section 7(12) and (14) of the Health and Medicine Act 1988

04 = A category II patient: one for whom work is undertaken by hospital medical or dental staff within categories II as defined in paragraph 37 of the Terms and Conditions of Service of Hospital Medical and Dental Staff

98 = Not applicable

99 = Not known