ICD-10-CM code "Q90.1": Trisomy 21, mosaicism (mitotic nondisjunction) (2024)

Overview

ICD-10 CodeQ90.1
DescriptionTrisomy 21, mosaicism (mitotic nondisjunction)
Hierarchy
  1. Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  2. Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
  3. Down syndrome (Q90)
  4. Trisomy 21, mosaicism (mitotic nondisjunction) (Q90.1)
Billable statusICD-10-CM Billable code

Excludes

  1. Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

    Type 2inborn errors of metabolism (E70-E88)

  2. Chromosomal abnormalities, not elsewhere classified (Q90-Q99)

    Type 2mitochondrial metabolic disorders (E88.4-)

  3. Down syndrome (Q90)
  4. Trisomy 21, mosaicism (mitotic nondisjunction) (Q90.1)

Includes

  1. Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  2. Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
  3. Down syndrome (Q90)
  4. Trisomy 21, mosaicism (mitotic nondisjunction) (Q90.1)