E27.4
⚠ Non-billable
Other and unspecified adrenocortical insufficiency
ICD-10-CM · FY2026 · Endocrine, Nutritional and Metabolic Diseases
Code
E27.4
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Endocrine, Nutritional and Metabolic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code E27.4?
ICD-10-CM code E27.4 represents Other and unspecified adrenocortical insufficiency. It is a non-billable header code requiring a more specific subcategory in the Endocrine, Nutritional and Metabolic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is E27.4 billable?
No. E27.4 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is E27.4 in?
E27.4 belongs to the Endocrine, Nutritional and Metabolic Diseases chapter (E00–E89) of ICD-10-CM.
Related codes in the E27 category
E27
Other disorders of adrenal gland
Non-billable
E27.0
Other adrenocortical overactivity
Billable
E27.1
Primary adrenocortical insufficiency
Billable
E27.2
Addisonian crisis
Billable
E27.3
Drug-induced adrenocortical insufficiency
Billable
E27.5
Adrenomedullary hyperfunction
Billable
E27.8
Other specified disorders of adrenal gland
Billable
E27.9
Disorder of adrenal gland, unspecified
Billable
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