Adrenomedullary hyperfunction

This code describes an overactivity of the adrenal medulla, leading to excessive secretion of catecholamines (epinephrine and norepinephrine). This hormonal imbalance can result in symptoms such as hypertension, palpitations, sweating, and anxiety. It is often associated with conditions like pheochromocytoma or paraganglioma.

Use this code when documentation clearly indicates an overproduction of hormones by the adrenal medulla, typically confirmed by elevated catecholamine levels in blood or urine. This applies to patients diagnosed with pheochromocytoma, paraganglioma, or other conditions causing adrenal medullary hyperfunction. Supporting documentation should include laboratory results and physician notes detailing the diagnosis.

• Do not use this code for adrenal cortical hyperfunction (e.g., Cushing's syndrome), which involves different hormones and is coded elsewhere.
• Always code the underlying cause, such as pheochromocytoma (C74.1-), first, followed by this code as a manifestation, if applicable.
• Ensure documentation specifies "adrenal medulla" to differentiate from other adrenal gland disorders.