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

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)

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.

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