Q51.81Header code — not billable
Other congenital malformations of uterus
- Chapter
- 17. Congenital malformations, deformations and chromosomal abnormalities
- Category
- Q51
- Effective date
- October 1, 2026
Related codes in category Q51
Q51Congenital malformations of uterus and cervixQ51.0Agenesis and aplasia of uterusYesQ51.1Doubling of uterus with doubling of cervix and vaginaQ51.10Doubling of uterus w doubling of cervix and vagina w/o obstYesQ51.11Doubling of uterus w doubling of cervix and vagina w obstYesQ51.2Other doubling of uterusQ51.21Complete doubling of uterusYesQ51.22Partial doubling of uterusYesQ51.28Other and unspecified doubling of uterusYesQ51.3Bicornate uterusYesQ51.4Unicornate uterusYesQ51.5Agenesis and aplasia of cervixYes
Frequently asked questions
What is ICD-10 code Q51.81?
Q51.81 is an ICD-10-CM diagnosis code for Other congenital malformations of uterus.
Is Q51.81 a billable code?
No. Q51.81 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is Q51.81 in?
Q51.81 falls under Chapter 17: Congenital malformations, deformations and chromosomal abnormalities.
When did Q51.81 become effective?
Q51.81 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Q51.81?
Q51.81 belongs to category Q51, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.