E23
Non-billableHypofunction and other disorders of the pituitary gland
E23 is the ICD-10-CM code for Hypofunction and other disorders of the pituitary gland. It is a non-billable category code — use a more specific child code such as E23.0 for billing.
- Status
- Header (non-billable)
- Chapter
- E00-E89
- Subcodes
- 6
- Edition
- FY2026
E00-E89 Endocrine, nutritional and metabolic diseases
What this means — in plain language
MedlinePlus · NIHYour 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 .
Read more about Pituitary Disorders at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •the listed conditions whether the disorder is in the pituitary or the hypothalamus
Excludes1 — not coded here
Medications indicated for this condition
FDA labelingDrugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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