E28.9
✓ Billable
Ovarian dysfunction, unspecified
ICD-10-CM · FY2026 · Endocrine, Nutritional and Metabolic Diseases
Code
E28.9
System
ICD-10-CM
Billable
Yes — valid for submission
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 E28.9?
ICD-10-CM code E28.9 represents Ovarian dysfunction, unspecified. It is a billable diagnosis code in the Endocrine, Nutritional and Metabolic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is E28.9 billable?
Yes. E28.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is E28.9 in?
E28.9 belongs to the Endocrine, Nutritional and Metabolic Diseases chapter (E00–E89) of ICD-10-CM.
Related codes in the E28 category
E28
Ovarian dysfunction
Non-billable
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
E28.31
Premature menopause
Non-billable
E28.39
Other primary ovarian failure
Billable
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