T39.4X6 - Underdosing of antirheumatics, not elsewhere classified T39.4 - Poisoning by, adverse effect of and underdosing of antirheumatics, not elsewhere classified T39.4X - Poisoning by, adverse effect of and underdosing of antirheumatics, not elsewhere classified T39.4X6 - Underdosing of antirheumatics, not elsewhere classified