ICD-10-CM Book 2026 Edition
Chapters ICD-10-CM Book Table of Content /
chapter 17 Q00-QA0 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders /
Q90-Q99 Chromosomal abnormalities, not elsewhere classified /
Q91 Trisomy 18 and Trisomy 13
Billable ICD-10-CM Code Q91.1
|
Q91.1
|
|
Trisomy 18, mosaicism (mitotic nondisjunction)
 |