Non-Billable / Non-Specific Code
ICD-10-CM E27.4 is the diagnosis code for Other and unspecified adrenocortical insufficiency. This code falls under the section "Disorders of other endocrine glands" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as E27.4. They are mutually exclusive:
Understanding where E27.4 sits in the ICD-10-CM classification helps ensure proper coding:
No, E27.4 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
E27.4 is the ICD-10-CM diagnosis code for "Other and unspecified adrenocortical insufficiency". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of E27.4 is E27 ("Other disorders of adrenal gland"). E27.4 provides a more specific classification within this category.
E27.4 is located in Section E20-E35 — "Disorders of other endocrine glands" within Chapter 4 of the ICD-10-CM Tabular List.
E27.4 has 2 sub-code(s) that provide more specific detail: E27.40, E27.49.
Use E27.4 when the patients documented diagnosis matches "Other and unspecified adrenocortical insufficiency" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Other and unspecified adrenocortical insufficiency is E27.4.
No, E27.4 is non-billable. Use a more specific sub-code for primary diagnosis billing.
E27.4 is in Chapter 4 of the ICD-10-CM Tabular List.
Type 1 Excludes for E27.4 include: adrenoleukodystrophy [Addison-Schilder] (E71.528); Waterhouse-Friderichsen syndrome (A39.1).
Yes, E27.4 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.