ICD-10 Diagnosis Code E22.9

Hyperfunction of pituitary gland, unspecified

Diagnosis Code E22.9

ICD-10: E22.9
Short Description: Hyperfunction of pituitary gland, unspecified
Long Description: Hyperfunction of pituitary gland, unspecified
This is the 2017 version of the ICD-10-CM diagnosis code E22.9

Code Classification
  • Endocrine, nutritional and metabolic diseases
    • Disorders of other endocrine glands (E20-E35)
      • Hyperfunction of pituitary gland (E22)

Information for Medical Professionals

Information for Patients

Pituitary Disorders

Your pituitary gland is a pea-sized gland at the base of your brain. The pituitary is the "master control gland" - it makes hormones that affect growth and the functions of other glands in the body.

With pituitary disorders, you often have too much or too little of one of your hormones. Injuries can cause pituitary disorders, but the most common cause is a pituitary tumor.

  • ACTH (cosyntropin) stimulation test
  • ACTH blood test
  • Empty sella syndrome
  • Follicle-stimulating hormone (FSH) blood test
  • Gigantism
  • Growth hormone stimulation test
  • Hypopituitarism
  • Luteinizing hormone (LH) blood test
  • Pituitary infarction

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