Underdosing of hormones and synthetic substitutes, sequela

This code signifies a long-term or residual effect resulting from a patient not receiving enough of a prescribed hormone or synthetic substitute, excluding insulin, oral contraceptives, and other specified hormones. It indicates that the underdosing event itself is in the past, but its consequences are still being managed.

Apply this code when documenting chronic conditions or complications that are a direct result of a past underdosing of hormones like thyroid hormones, growth hormones, or corticosteroids. This would be used, for example, when a patient presents with persistent hypothyroidism due to a prolonged period of insufficient thyroid medication.

• Always sequence this code after the code(s) for the specific condition or symptom that is the sequela.
• Ensure documentation clearly links the current condition to a past underdosing event of a non-specified hormone.
• Do not use for acute underdosing; this code is specifically for the long-term effects.