Ring(s)
  • aorta 747.21
    • Bandl's, complicating delivery 661.4
      • affecting fetus or newborn 763.7
      • contraction, complicating delivery 661.4
        • affecting fetus or newborn 763.7
        • esophageal (congenital) 750.3
          • Fleischer (-Kayser) (cornea) 275.1 [371.14]
            • hymenal, tight (acquired) (congenital) 623.3
              • Kayser-Fleischer (cornea) 275.1 [371.14]
                • retraction, uterus, pathological 661.4
                  • affecting fetus or newborn 763.7
                  • Schatzki's (esophagus) (congenital) (lower) 750.3
                  • Soemmering's 366.51
                    • trachea, abnormal 748.3
                      • vascular (congenital) 747.21
                        • Vossius' 921.3