The anion gap.
D000138:Acidosis / Q000097:blood; D000838:Anions; D004573:Electrolytes / Q000097:blood*; D006801:Humans; D010265:Paraproteinemias / Q000097:blood; D012709:Serum Albumin / Q000172:deficiency
D000838:Anions; D004573:Electrolytes; D012709:Serum Albumin