T47.1X4 - Poisoning by other antacids and anti-gastric-secretion drugs, undetermined T47.1 - Poisoning by, adverse effect of and underdosing of other antacids and anti-gastric-secretion drugs T47.1X - Poisoning by, adverse effect of and underdosing of other antacids and anti-gastric-secretion drugs T47.1X4 - Poisoning by other antacids and anti-gastric-secretion drugs, undetermined