The Trizetto ICD-10 Code of the Week is Z62.891 – Sibling rivalry Share!Facebook0LinkedIn3Google+0Twitter0The Trizetto ICD-10 Code of the Week is Z62.891 – Sibling rivalry Learn more and find ICD-10 resources at Trizetto. Visit PracticeAdmin ICD-10 resource page. Share!Facebook0LinkedIn3Google+0Twitter0