DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

E28 Ovarian dysfunction

  • Header · not billable

E28 is not billable. The category heads 8 billable codes in FY2027, grouped under 6 subdivisions.

Index → code

  • Hyperovarism → E28.8
  • Stein's syndrome → E28.2
  • Stimulation, ovary → E28.1

Where it sits

  1. Chapter 4 Endocrine, nutritional and metabolic diseases (E00-E89)
  2. E20-E35 Disorders of other endocrine glands (E20-E35)
  3. E28 Ovarian dysfunction
Billable codes
8
Subdivisions
6
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
55

Codes in E28

  1. E28.0
    Estrogen excess
    Billable
    Use additional code 1

    Use additional code

    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) T36 T50
  2. E28.1
    Androgen excess
    Billable
    Inclusion terms 1, Use additional code 1

    Inclusion terms

    • Hypersecretion of ovarian androgens

    Use additional code

    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) T36 T50
  3. E28.2
    Polycystic ovarian syndrome
    Billable
    Inclusion terms 2

    Inclusion terms

    • Sclerocystic ovary syndrome
    • Stein-Leventhal syndrome
  4. E28.3
    Primary ovarian failure
    Header
    Excludes1 2

    Excludes1

    • pure gonadal dysgenesis (Q99.1) Q99.1
    • Turner's syndrome (Q96.-) Q96
  5. E28.31
    Premature menopause
    Header
  6. E28.310
    Symptomatic premature menopause
    Billable
    Inclusion terms 1

    Inclusion terms

    • Symptoms such as flushing, sleeplessness, headache, lack of concentration, associated with premature menopause
  7. E28.319
    Asymptomatic premature menopause
    Billable
    Inclusion terms 1

    Inclusion terms

    • Premature menopause NOS
  8. E28.39
    Other primary ovarian failure
    Billable
    Inclusion terms 2

    Inclusion terms

    • Decreased estrogen
    • Resistant ovary syndrome
  9. E28.8
    Other ovarian dysfunction
    Billable
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • Ovarian hyperfunction NOS

    Excludes1

    • postprocedural ovarian failure (E89.4-) E89.4
  10. E28.9
    Ovarian dysfunction, unspecified
    Billable

Sources of each column.

Instructions

At E28

Excludes1

  • isolated gonadotropin deficiency (E23.0) E23.0
  • postprocedural ovarian failure (E89.4-) E89.4

Notes that also apply

Block E20-E35 instructions (Excludes1 2): printed on the block page.

Chapter 4 instructions (Notes 1, Excludes1 1): printed on the chapter 4 page.

Index entries

  • Hyperestrogenism (drug-induced) (iatrogenic) → E28.0
  • Stimulation, ovary → E28.1
  • Sclerocystic ovary syndrome → E28.2
  • Stein-Leventhal syndrome → E28.2
  • Stein's syndrome → E28.2
  • Hypo-ovarianism, hypo-ovarism → E28.39
  • Hyperovarism → E28.8
  • Hyperthecosis ovary → E28.8
  • Excess, excessive, excessivelyestrogen → E28.0
  • Hypersecretionestrogen → E28.0
  • Increase, increasedestrogen → E28.0
  • Excess, excessive, excessivelyandrogen (ovarian) → E28.1
  • Hypersecretionovarian androgens → E28.1
  • Increase, increasedandrogens (ovarian) → E28.1
  • Polycystic (disease)ovary, ovaries → E28.2
  • Syndromebilateral polycystic ovarian → E28.2
  • Syndromesclerocystic ovary → E28.2
  • SyndromeStein-Leventhal → E28.2
  • SyndromeStein's → E28.2
  • Virilization (female) (suprarenal)isosexual → E28.2
  • Menopause, menopausal (asymptomatic) (state)premature → E28.319
  • Prematuremenopause → E28.319
  • Decrease (d)estrogen → E28.39
  • Deficiency, deficientovarian → E28.39
  • Failure, failedovarian (primary) → E28.39
  • Hypofunctionovary → E28.39
  • Hypogonadismfemale → E28.39
  • Hypogonadismovarian (primary) → E28.39
  • Hyposecretionovary → E28.39
  • Ovary, ovarianresistant syndrome → E28.39
  • Suppressionovarian secretion → E28.39
  • Syndromeresistant ovary → E28.39
  • Amenorrheahyperhormonal → E28.8
  • Hyperfunctionovarian → E28.8
  • Hypergonadismovarian → E28.8
  • Dysfunctionovary → E28.9
  • Hypersecretionandrogen (testicular)ovarian (drug-induced) (iatrogenic) → E28.1
  • Hypersecretionhormone(s)ovarian androgen → E28.1
  • Disease, diseasedovary (noninflammatory)polycystic → E28.2
  • Disease, diseasedpolycysticovary, ovaries → E28.2

15 more, longer entries are not listed; the search box finds them by word.

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy