E27.4

Non-billable

Other and unspecified adrenocortical insufficiency

E27.4 is the ICD-10-CM code for Other and unspecified adrenocortical insufficiency. It is a non-billable category code — use a more specific child code such as E27.40 for billing.

Status
Header (non-billable)
Chapter
E00-E89
Parent
E27
Subcodes
2
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.

Excludes1 — not coded here

  • adrenoleukodystrophy [Addison-Schilder] (E71.528)
  • Waterhouse-Friderichsen syndrome (A39.1)

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 E27.4?
E27.4 is the ICD-10-CM code for "Other and unspecified adrenocortical insufficiency". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
Is E27.4 a billable code?
No — E27.4 is a non-billable header code. Use a more specific child code (such as E27.40) for billing.
What are the subcodes of E27.4?
E27.4 has 2 more specific child codes, including E27.40, E27.49.
What is excluded from E27.4?
Excludes1 (not coded here): adrenoleukodystrophy [Addison-Schilder] (E71.528); Waterhouse-Friderichsen syndrome (A39.1).

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

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.