Doubling of Uterus/Septate Uterus

Codes at subcategory Q51.2, Other doubling of uterus, were expanded to include complete septate uterus (Q51.21) and partial septate uterus (Q51.22). The American Congress of Obstetricians and Gynecologists requested this expansion to allow for specificity when reporting a septate uterus. In addition, there are new codes for unspecified septate uterus (Q51.20) and other specified septate uterus (Q51.28). A septate uterus is a deformity of the uterus, which happens during fetal development and before birth. It occurs when a wall of tissue (septum) remains between the two halves of the uterus, dividing it either fully...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This article explains a coding expansion related to congenital uterine anomalies and provides clinical background on septate uterus. It is relevant to coders, OB/GYN practices, and anyone needing to distinguish among related uterine anomaly categories for accurate reporting. The discussion includes the affected ICD-10-CM categories, the rationale for the update, and the broader clinical grouping of related conditions.

Why This Topic Matters

Accurate classification of congenital uterine anomalies supports more specific reporting and better alignment between clinical documentation and code selection. This matters for OB/GYN coding, medical record abstraction, and understanding how related anomalies are separated into different categories.

Article Sections

  1. Coding expansion for septate uterus

    Summarizes the update to a congenital anomaly subcategory and the addition of more specific classification options. It also notes the source organization associated with the request for the change.

  2. Clinical background on septate uterus

    Provides a general explanation of septate uterus as a developmental uterine anomaly and describes related clinical context. It also distinguishes this condition from a closely related uterine anomaly grouping.

What You Will Learn

  • How the article frames a coding update for congenital uterine anomalies
  • What clinical context is provided for septate uterus
  • How related uterine anomaly categories are discussed at a high level
  • Which organization is mentioned in connection with the classification expansion

Who Should Read This

  • Medical coders
  • OB/GYN coding staff
  • Clinical documentation professionals
  • Health information management professionals

Codes Discussed

  • ICD-10-CM: Q51.2
  • ICD-10-CM: Q51.21
  • ICD-10-CM: Q51.22
  • ICD-10-CM: Q51.20
  • ICD-10-CM: Q51.28
  • ICD-10-CM: Q51.1

Code Ranges Discussed

  • ICD-10-CM: Q51.2
  • ICD-10-CM: Q51.1

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