It is recommended that blood once issued should not be taken back by
the Blood Bank, especially if the cold chain is broken URGENT REQUIREMENT OF BLOOD
Blood or blood components should be issued before completion of
routine cross matching tests in cases where delay in providing blood
may jeopardize the patient's life, on receipt of a signed written request
of the treating physician stating that the clinical condition of the patient
requires urgent release of blood before completing ABO and Rh(D)
tests and compatibility testing. Records of such requests should be retained
for 5 years as per the relevant standards