The number of medical biology examinations performed on samples transmitted by a medical biology laboratory pursuant to Article L. 6211-19 may not exceed 15% of the total number of medical biology examinations performed in whole or in part by the transmitting laboratory. The total number of tests is obtained by adding together the medical biology tests covered by 1°, 2° and 3° of Article D. 6211-14 , with the exception of immuno-haematology tests under the conditions provided for in the second paragraph of Article L. 1223-1.