T38.816 - Underdosing of anterior pituitary [adenohypophyseal] hormones T38.8 - Poisoning by, adverse effect of and underdosing of other and unspecified hormones and synthetic substitutes T38.81 - Poisoning by, adverse effect of and underdosing of anterior pituitary [adenohypophyseal] hormones T38.816 - Underdosing of anterior pituitary [adenohypophyseal] hormones