A container assembly (101) for biopsy comprises: a container (2) provided with a lower chamber (C1) filled with a liquid (L) intended to preserve biopsic samples and an upper chamber (C2), a partition (3) disposed in the upper chamber and provided with a base wall (30) connected to the container； the partition has a lateral wall (34) that raises from the base wall (30) in such a way to define a compartment (S) intended to receive a biopsic sample (B)； disengageable connection means connect the base wall of the partition to the container； a cover (4) is coupled with the container (2) and cooperates with the lateral wall (34) of the partition in such a way to push the partition, to force the disengageable connection means and to cause the disengagement of the base wall (30) of the partition from the container (2).
