T47.1X6 - Underdosing of other antacids and anti-gastric-secretion drugs 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 T47.1X6 - Underdosing of other antacids and anti-gastric-secretion drugs