2026 ICD-10-CM Diagnosis Code E28.2Polycystic ovarian syndrome
ICD-10-CM Codes›E00–E89›E20-E35›E28
- Billable — Valid for Submission
- Chronic Condition
E28.2 is a billable ICD-10-CM diagnosis code for polycystic ovarian syndrome. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 742 through 743, 760 through 761. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified endocrine disorders.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Androgenetic alopecia in association with polycystic ovaries
- Cyst of bilateral ovaries
- Diffuse alopecia
- Endocrine alopecia
- Hyperandrogenization syndrome
- Isosexual virilization
- Male pattern alopecia
- Polycystic bilateral ovaries
- Polycystic left ovary
- Polycystic ovary
- Polycystic ovary syndrome
- Polycystic ovary syndrome of bilateral ovaries
- Polycystic ovary syndrome of left ovary
- Polycystic ovary syndrome of right ovary
- Polycystic right ovary
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Sclerocystic ovary syndrome
- Stein-Leventhal syndrome
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Disease, diseased - See Also: Syndrome;
- ovary (noninflammatory) - N83.9
- polycystic - E28.2
- ovary, ovaries - E28.2
- Stein-Leventhal syndrome - E28.2
- due to
- Stein-Leventhal syndrome - E28.2
- ovary, ovaries - E28.2
- Sclerocystic ovary syndrome - E28.2
- Stein-Leventhal syndrome - E28.2
- Stein's syndrome - E28.2
- Syndrome - See Also: Disease;
- bilateral polycystic ovarian - E28.2
- ovary
- polycystic - E28.2
- sclerocystic - E28.2
- sclerocystic ovary - E28.2
- Stein-Leventhal - E28.2
- Stein's - E28.2
- Virilization (female) (suprarenal) - E25.9
- isosexual - E28.2
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Disease, diseased
- ovary (noninflammatory)
- polycystic
- Disease, diseased
- polycystic
- ovary, ovaries
- Infertility
- female
- associated with
- Stein-Leventhal syndrome
- Infertility
- female
- due to
- Stein-Leventhal syndrome
- Polycystic(disease)
- ovary, ovaries
- Sclerocystic ovary syndrome
- Stein-Leventhal syndrome
- Stein's syndrome
- Syndrome
- bilateral polycystic ovarian
- Syndrome
- ovary
- polycystic
- Syndrome
- ovary
- sclerocystic
- Syndrome
- sclerocystic ovary
- Syndrome
- Stein-Leventhal
- Syndrome
- Stein's
- Virilization(female) (suprarenal)
- isosexual
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Polycystic Ovary Syndrome
a complex disorder characterized by infertility, hirsutism; obesity; and various menstrual disturbances such as oligomenorrhea; amenorrhea; anovulation. polycystic ovary syndrome is usually associated with bilateral enlarged ovaries studded with atretic follicles, not with cysts. the term, polycystic ovary, is misleading.Polycystic Ovary Syndrome
a disorder that manifests as multiple cysts on the ovaries. it results in hormonal imbalances and leads to irregular and abnormal menstrual periods, excess growth of hair, acne eruptions and obesity.Polycystic Ovary Syndrome|PCOS|PCOS|Polycystic Ovarian Disease|Polycystic Ovarian Syndrome (PCOS)|Stein-Leventhal Syndrome|Stein-Leventhal Syndrome|polycystic ovary syndrome
a disorder that manifests as multiple cysts on the ovaries. it results in hormonal imbalances and leads to irregular and abnormal menstrual periods, excess growth of hair, acne eruptions and obesity.
Patient EducationClinical
Polycystic Ovary Syndrome
Polycystic ovary syndrome (PCOS) is the name for set of symptoms that are related to an imbalance of hormones. PCOS affects the ovaries, as well as many other parts of the body.
The full article covers:
- What is polycystic ovary syndrome (PCOS)?
- What causes polycystic ovary syndrome (PCOS)?
- What are the symptoms of polycystic ovary syndrome (PCOS)?
- What other health problems are linked to polycystic ovary syndrome (PCOS)?
- How is polycystic ovary syndrome (PCOS) diagnosed?
- What are the treatments for polycystic ovary syndrome (PCOS)?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert E28.2 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About E28.2Overview
Is E28.2 (Ovarian dysfunction) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report polycystic ovarian syndrome on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does E28.2 group to?
When polycystic ovarian syndrome is the principal diagnosis on an inpatient stay, it groups to MS-DRG 742, 743, 760, 761, with relative weights from 0.5696 to 1.8348 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of E28.2?
Under the General Equivalence Mappings, polycystic ovarian syndrome converts to ICD-9-CM 256.4 (polycystic ovaries). The mapping is a direct match.
Footnotes
[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:
- The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
- The condition places limitations on self-care, independent living, and social interactions.
