DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

Q50 Congenital malformations of ovaries, fallopian tubes and broad ligaments

  • Header · not billable

Q50 is not billable. The category heads 10 billable codes in FY2027, grouped under 7 subdivisions.

Index → code

  • Fimbrial cyst → Q50.4
  • Rests, ovarian, in fallopian tube → Q50.6
  • Agenesisoviduct → Q50.6

Where it sits

  1. Chapter 17 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
  2. Q50-Q56 Congenital malformations of genital organs (Q50-Q56)
  3. Q50 Congenital malformations of ovaries, fallopian tubes and broad ligaments
Billable codes
10
Subdivisions
7
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
77

Codes in Q50

  1. Q50.0
    Congenital absence of ovary
    Header
    Excludes1 1

    Excludes1

    • Turner's syndrome (Q96.-) Q96
  2. Q50.01
    Congenital absence of ovary, unilateral
    BillableExempt
  3. Q50.02
    Congenital absence of ovary, bilateral
    BillableExempt
  4. Q50.1
    Developmental ovarian cyst
    BillableExempt
  5. Q50.2
    Congenital torsion of ovary
    BillableExempt
  6. Q50.3
    Other congenital malformations of ovary
    Header
  7. Q50.31
    Accessory ovary
    BillableExempt
  8. Q50.32
    Ovarian streak
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • 46, XX with streak gonads
  9. Q50.39
    Other congenital malformation of ovary
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Congenital malformation of ovary NOS
  10. Q50.4
    Embryonic cyst of fallopian tube
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Fimbrial cyst
  11. Q50.5
    Embryonic cyst of broad ligament
    BillableExempt
    Inclusion terms 2

    Inclusion terms

    • Epoophoron cyst
    • Parovarian cyst
  12. Q50.6
    Other congenital malformations of fallopian tube and broad ligament
    BillableExempt
    Inclusion terms 4

    Inclusion terms

    • Absence of fallopian tube and broad ligament
    • Accessory fallopian tube and broad ligament
    • Atresia of fallopian tube and broad ligament
    • Congenital malformation of fallopian tube or broad ligament NOS

Sources of each column.

Instructions

Notes that also apply

Block Q50-Q56 instructions (Excludes1 2): printed on the block page.

Chapter 17 instructions (Notes 1, Excludes2 1): printed on the chapter 17 page.

Index entries

  • Fimbrial cyst → Q50.4
  • Rests, ovarian, in fallopian tube → Q50.6
  • Accessory (congenital)ovary → Q50.31
  • Supernumerary (congenital)ovary → Q50.31
  • Streak(s)ovarian → Q50.32
  • Anomaly, anomalous (congenital) (unspecified type)ovary → Q50.39
  • Deformityovary (congenital) → Q50.39
  • Hypoplasia, hypoplasticovary, congenital → Q50.39
  • Malformation (congenital)ovary → Q50.39
  • Small (ness)ovary (congenital) → Q50.39
  • Cyst (colloid) (mucous) (simple) (retention)fimbrial (twisted) → Q50.4
  • Cyst (colloid) (mucous) (simple) (retention)Müllerian duct → Q50.4
  • Cyst (colloid) (mucous) (simple) (retention)paramesonephric duct → Q50.4
  • Cyst (colloid) (mucous) (simple) (retention)epoophoron → Q50.5
  • Cyst (colloid) (mucous) (simple) (retention)paroophoron → Q50.5
  • Cyst (colloid) (mucous) (simple) (retention)parovarian → Q50.5
  • Absence (of) (organ or part) (complete or partial)broad ligament → Q50.6
  • Accessory (congenital)fallopian tube (fimbria) (ostium) → Q50.6
  • Accessory (congenital)ligament, broad → Q50.6
  • Accessory (congenital)oviduct → Q50.6
  • Agenesisfallopian tube → Q50.6
  • Agenesisoviduct → Q50.6
  • Anomaly, anomalous (congenital) (unspecified type)broad ligament → Q50.6
  • Anomaly, anomalous (congenital) (unspecified type)fallopian tube → Q50.6
  • Anomaly, anomalous (congenital) (unspecified type)oviduct → Q50.6
  • Atresia, atreticfallopian tube (congenital) → Q50.6
  • Atresia, atreticoviduct (congenital) → Q50.6
  • Blindsac, fallopian tube (congenital) → Q50.6
  • Displacement, displaceduterine opening of oviducts or fallopian tubes → Q50.6
  • Distortion(s) (congenital)fallopian tube → Q50.6
  • Distortion(s) (congenital)oviduct → Q50.6
  • Gartner's ductpersistent → Q50.6
  • Malformation (congenital)broad ligament → Q50.6
  • Malformation (congenital)fallopian tube → Q50.6
  • Persistence, persistent (congenital)ovarian rests in fallopian tube → Q50.6
  • Supernumerary (congenital)fallopian tube → Q50.6
  • Supernumerary (congenital)oviduct → Q50.6
  • Agenesisovaryunilateral → Q50.01
  • Agenesisovarybilateral → Q50.02
  • Cyst (colloid) (mucous) (simple) (retention)congenital NECovary → Q50.1

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

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

Hierarchy