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E28.2 — Polycystic ovarian syndrome
E28.2
What this code means
Polycystic ovary syndrome (PCOS) is a hormonal condition affecting ovulation, periods, and androgen levels.
Also called: pcos, polycystic ovary syndrome.
When this code is used
Used for polycystic ovarian syndrome.
Where it sits in ICD-10-CM
Code E28.2 belongs to Chapter 4: Endocrine, nutritional and metabolic diseases, which covers codes E00–E89 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Related anatomy
Watch: related videos
Frequently asked questions
What is ICD-10-CM code E28.2?
E28.2 is the ICD-10-CM diagnosis code for “Polycystic ovarian syndrome”. Polycystic ovary syndrome (PCOS) is a hormonal condition affecting ovulation, periods, and androgen levels.
When is code E28.2 used?
Used for polycystic ovarian syndrome. It belongs to Chapter 4 of ICD-10-CM (Endocrine, nutritional and metabolic diseases).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.