E28
⚠ Non-billable
Ovarian dysfunction
ICD-10-CM · FY2026 · Endocrine, Nutritional and Metabolic Diseases
Code
E28
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.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Excludes1 — never code together
- isolated gonadotropin deficiency (E23.0)
- postprocedural ovarian failure (E89.4-)
Frequently asked questions
What is ICD-10 code E28?
ICD-10-CM code E28 represents Ovarian dysfunction. 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 E28 billable?
No. E28 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is E28 in?
E28 belongs to the Endocrine, Nutritional and Metabolic Diseases chapter (E00–E89) of ICD-10-CM.
Related codes in the E28 category
E28.0
Estrogen excess
Billable
E28.1
Androgen excess
Billable
E28.2
Polycystic ovarian syndrome
Billable
E28.3
Primary ovarian failure
Non-billable
E28.8
Other ovarian dysfunction
Billable
E28.9
Ovarian dysfunction, unspecified
Billable
E28.31
Premature menopause
Non-billable
E28.39
Other primary ovarian failure
Billable
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