bacterial infectious disease gram-negative bacterial infections true MEDGEN:88406 UMLS:C0085423 MESH:D016905 infection, gram-negative bacterial bacterial infections, gram negative bacterial infections, gramme negative gramme negative bacterial infections SCTID:371583007 ICD9:041.85 bacterial infections, gram-negative infections, gramme negative bacterial infections, gram negative bacterial Infections caused by bacteria that show up as pink (negative) when treated by the gram-staining method. gram-negative bacterial infection bacterial infection, gram-negative MONDO:0021678 gram negative bacterial infections infections, gram-negative bacterial