Q50.4 Embryonic cyst of fallopian tube

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Fimbrial cyst

MS-DRG index

Defines the logic of DRG(s) 742-743 in MDC 13.

Approximate ICD-9-CM (GEMs)

• 752.11 Embryonic cyst of fallopian tubes and broad ligaments (approximate)

Code annotations containing back-references to Q50.4

Back-references to Q50.4

• Type 1 Excludes: D28 Benign neoplasm of other and unspecified female genital organs ("fimbrial cyst (Q50.4)")

Diagnosis Index entries for Q50.4

• Cyst (colloid) (mucous) (simple) (retention) › congenital NEC › fallopian tube
• Cyst (colloid) (mucous) (simple) (retention) › congenital NEC › oviduct
• Cyst (colloid) (mucous) (simple) (retention) › embryonic › fallopian tube
• Cyst (colloid) (mucous) (simple) (retention) › fallopian tube › congenital
• Cyst (colloid) (mucous) (simple) (retention) › fimbrial (twisted)
• Cyst (colloid) (mucous) (simple) (retention) › Müllerian duct
• Cyst (colloid) (mucous) (simple) (retention) › Müllerian duct › fallopian tube
• Cyst (colloid) (mucous) (simple) (retention) › Müllerian duct › female
• Cyst (colloid) (mucous) (simple) (retention) › paramesonephric duct
• Cyst (colloid) (mucous) (simple) (retention) › paramesonephric duct › female
• Fimbrial cyst

Nearby codes

• Q50.2 Congenital torsion of ovary
• Q50.3 Other congenital malformations of ovary
• Q50.31 Accessory ovary
• Q50.32 Ovarian streak
• Q50.39 Other congenital malformation of ovary
• Q50.4 Embryonic cyst of fallopian tube (this code)
• Q50.5 Embryonic cyst of broad ligament
• Q50.6 Other congenital malformations of fallopian tube and broad ligament