Compatibility tests by crossmatch - all tests performed on any 1 day for up to 6 units, including: (a) direct testing of donor red cells from each unit against the serum of the patient by one or more accepted crossmatching techniques; and (b) all grouping checks of the patient and donor; and (c) examination for antibodies, and if necessary identification of any antibodies detected; and (d) (if performed) any tests described in item 65060, 65070, 65090 or 65096 (Item is subject to rule 5)