| B - Blood and Blood Forming Organs |  |   |  
  |  | B05 - Blood Substitutes and Perfusion Solutions |  See also: V07AB - Solvents and diluting agents, incl. irrigating solutions V07AC - Blood transfusion, auxiliary products 
  |  No DDDs are established in this group. It is considered difficult to establish DDDs, because of the great variations in dosages given. 
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  |  | B05B - I.V. Solutions |  This group comprises i.v. solutions used in parenteral administration of fluids, electrolytes and nutrients. I.v. solution additives (i.v. concentrates), see B05X. 
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  |  | B05BA - Solutions for Parenteral Nutrition |  This group comprises amino acids, carbohydrates, fat emulsions etc. for parenteral nutrition. Combinations with electrolytes are allowed except for combinations of electrolytes and glucose which are classified in B05BB - Solutions affecting the electrolyte balance. These and similar combinations are not primarily used as nutrients. 
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