ICD-10-CM Q51.21 is the diagnosis code for Complete doubling of uterus. This code falls under the section "Congenital malformations of genital organs" within Chapter 17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where Q51.21 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, Q51.21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Q51.21 is the ICD-10-CM diagnosis code for "Complete doubling of uterus". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of Q51.21 is Q51.2 ("Other doubling of uterus"). Q51.21 provides a more specific classification within this category.
Q51.21 is located in Section Q50-Q56 — "Congenital malformations of genital organs" within Chapter 17 of the ICD-10-CM Tabular List.
Use Q51.21 when the patients documented diagnosis matches "Complete doubling of uterus" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Complete doubling of uterus is Q51.21.
Yes, Q51.21 can be used as a primary diagnosis code since it is billable and specific.
Q51.21 is in Chapter 17 of the ICD-10-CM Tabular List.
Yes, Q51.21 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.