Q51
Congenital malformations of uterus and cervix
Q51 is a non-billable ICD-10-CM code category for congenital malformations of uterus and cervix. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are Q51.0 Agenesis and aplasia of uterus, Q51.1 Doubling of uterus with doubling of cervix and vagina, Q51.2 Other doubling of uterus, Q51.3 Bicornate uterus and 6 more. Its coding notes include 2 Excludes1 entries and 1 Excludes2 entry.
Guidelines tip
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
Chapter 17 codes can be used for life. Manifestations that are an inherent part of a specifically coded anomaly are not coded separately. A corrected malformation is reported with a personal history code.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (1 note)
- inborn errors of metabolism (E70-E88)
Notes
Also from chapter/block level (1 note)
- Codes from this chapter are not for use on maternal records
More specific codes under Q51 10
- Q51.0Agenesis and aplasia of uterusBillable
- Q51.1Doubling of uterus with doubling of cervix and vaginaHeader
- Q51.2Other doubling of uterusHeader
- Q51.3Bicornate uterusBillable
- Q51.4Unicornate uterusBillable
- Q51.5Agenesis and aplasia of cervixBillable
- Q51.6Embryonic cyst of cervixBillable
- Q51.7Congenital fistulae between uterus and digestive and urinary tractsBillable
- Q51.8Other congenital malformations of uterus and cervixHeader
- Q51.9Congenital malformation of uterus and cervix, unspecifiedBillable