E27.40

Billable

Unspecified adrenocortical insufficiency

E27.40 is the ICD-10-CM code for Unspecified adrenocortical insufficiency. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
E00-E89
Parent
E27.4
Edition
FY2026

E00-E89 Endocrine, nutritional and metabolic diseases

What this means — in plain language

MedlinePlus · NIH

Your adrenal glands are just above your kidneys. The outside layer of these glands makes hormones that help your body respond to stress and regulate your blood pressure and water and salt balance. Addison disease happens if the adrenal glands don't make enough of these hormones. A problem with your immune system usually causes Addison disease. The immune system mistakenly attacks your own tissues, damaging your…

Read more about Addison Disease at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Adrenocortical insufficiency NOS
  • Hypoaldosteronism

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Frequently asked questions

What is ICD-10 code E27.40?
E27.40 is the ICD-10-CM code for "Unspecified adrenocortical insufficiency". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
Is E27.40 a billable code?
Yes — E27.40 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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