E24.1

Approximate Synonyms

• Nelson syndrome

Clinical Information

• A syndrome characterized by hyperpigmentation, enlarging pituitary mass, visual defects secondary to compression of the optic chiasm, and elevated serum acth. It is caused by the expansion of an underlying acth-secreting pituitary adenoma that grows in the absence of feedback inhibition by adrenal corticosteroids, usually after adrenalectomy.

• A syndrome that develops following bilateral adrenalectomy for cushing syndrome. The signs and symptoms result from the presence of an adenocorticotropin-secreting pituitary gland adenoma, and include enlargement of the sella turcica and pressure on the adjacent structures, and skin hyperpigmentation.

Details

• E24.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM E24.1 became effective on October 1, 2022.

• This is the American ICD-10-CM version of E24.1 – other international versions of ICD-10 E24.1 may differ.