DEFINITION

Heparin Lock Flush Solution is a sterile preparation of Heparin Sodium Injection with sufficient Sodium Chloride to make it isotonic with blood. Heparin sodium used in the manufacture of Heparin Lock Flush Solution complies with the compendial requirements stated in the Heparin Sodium monograph. The potency of Heparin Lock Flush Solution is NLT 90.0% and NMT 120.0% of the potency stated on the label in terms of USP Heparin Units. It contains NMT 1.00% of sodium chloride (NaCl). It may contain a suitable preservative.