Hyperfunction of pituitary gland, unspecified

This code signifies an overactive pituitary gland where the specific hormone or hormones being overproduced are not identified. It indicates a general state of pituitary hyperfunction without further diagnostic refinement. This can lead to a variety of symptoms depending on the affected hormone, but the exact cause or specific hormonal excess remains unknown.

This code is appropriate when documentation indicates an elevated pituitary hormone level or clinical signs of pituitary hyperfunction, but the specific hormone involved has not been determined or documented. It should be used when the physician explicitly states "hyperfunction of pituitary gland, unspecified" or similar language without further detail.

• Avoid using this code if the specific pituitary hormone excess (e.g., growth hormone, ACTH, TSH) is known and documented; instead, code to the specific condition (e.g., acromegaly, Cushing's disease).
• Always query the provider for more specific documentation if possible, as this code represents an unspecified condition.
• Consider sequencing this code as a primary diagnosis if it is the main reason for the encounter, or as a secondary diagnosis if it is a co-morbidity.