E27.1

Billable

Primary adrenocortical insufficiency

E27.1 is the ICD-10-CM code for Primary adrenocortical insufficiency. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
E00-E89
Parent
E27
Edition
FY2026

E00-E89 Endocrine, nutritional and metabolic diseases

What this means — in plain language

MedlinePlus · NIH

Autoimmune Addison disease affects the function of the adrenal glands, which are small hormone-producing glands located on top of each kidney. It is classified as an autoimmune disorder because it results from a malfunctioning immune system that attacks the adrenal glands. As a result, the production of several hormones is disrupted, which affects many body systems. The signs and symptoms of autoimmune Addison…

Read more about Autoimmune Addison disease at MedlinePlus ↗

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

Includes

  • Addison's disease
  • Autoimmune adrenalitis

Excludes1 — not coded here

  • Addison only phenotype adrenoleukodystrophy (E71.528)
  • amyloidosis (E85.-)
  • tuberculous Addison's disease (A18.7)
  • 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 E27.1?
E27.1 is the ICD-10-CM code for "Primary adrenocortical insufficiency". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
Is E27.1 a billable code?
Yes — E27.1 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from E27.1?
Excludes1 (not coded here): Addison only phenotype adrenoleukodystrophy (E71.528); amyloidosis (E85.-); tuberculous Addison's disease (A18.7); 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.