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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

Excludes1 — not coded here

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

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.

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