Other and unspecified doubling of uterus

This code signifies a congenital anomaly where the uterus exhibits a duplication or partial duplication beyond a bicornuate uterus, but without a complete double uterus and cervix (didelphys). This can include conditions like a septate or subseptate uterus, or other less common forms of uterine duplication that are not fully specified.

Assign this code when documentation indicates a uterine anomaly involving duplication that is not a complete uterus didelphys (Q51.1) or a bicornuate uterus (Q51.21-Q51.23). This code is appropriate for "other" or "unspecified" forms of uterine doubling. Documentation should clearly state the presence of uterine duplication, often identified via imaging studies such as ultrasound, MRI, or hysteroscopy.

• Differentiate carefully between septate, subseptate, and arcuate uteri, as well as uterus didelphys and bicornuate uterus, to ensure the most specific code is chosen.
• Avoid using this code if a more specific code for a type of uterine duplication (e.g., bicornuate) is available and documented.
• Review imaging reports and operative notes for precise anatomical descriptions to support the selection of "other" or "unspecified" when no more specific code applies.