Underdosing of anterior pituitary hormones, subs encntr

This code signifies a patient receiving insufficient amounts of medication containing anterior pituitary hormones, such as growth hormone or TSH, during an ongoing course of treatment. This underdosing can lead to a recurrence or worsening of the underlying endocrine deficiency that the hormones are intended to treat.

Use this code when documentation indicates a patient is experiencing adverse effects or a lack of therapeutic response due to taking less than the prescribed dose of anterior pituitary hormones. This typically applies to follow-up visits where the underdosing is identified or continues to be a problem.

• Always assign an additional code for the specific endocrine disorder being treated (e.g., E23.0 for hypopituitarism).
• Ensure the documentation clearly states "underdosing" and specifies the "subsequent encounter" for accurate code assignment.
• Distinguish from initial encounters (A), subsequent encounters (D), and sequela (S) based on the patient's treatment phase.