2017/18 ICD-10-CM Diagnosis Code Q90.0

Trisomy 21, nonmosaicism (meiotic nondisjunction)

The following code(s) above Q90.0 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to Q90.0:
  • Q00-Q99
    2018 ICD-10-CM Range Q00-Q99

    Congenital malformations, deformations and chromosomal abnormalities

    Note
    • Codes from this chapter are not for use on maternal or fetal records
    Type 2 Excludes
    • inborn errors of metabolism (E70-E88)
    Congenital malformations, deformations and chromosomal abnormalities
  • Q90-Q99
    2018 ICD-10-CM Range Q90-Q99

    Chromosomal abnormalities, not elsewhere classified

    Type 2 Excludes
    • mitochondrial metabolic disorders (E88.4-)
    Chromosomal abnormalities, not elsewhere classified
  • Q90
    ICD-10-CM Diagnosis Code Q90

    Down syndrome

      2016 2017 2018 Non-Billable/Non-Specific Code
    Use Additional
    • code(s) to identify any associated physical conditions and degree of intellectual disabilities (F70-F79)
    Down syndrome
Approximate Synonyms Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
ICD-10-CM Q90.0 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert Q90.0 to ICD-9-CM

Code History

Diagnosis Index entries containing back-references to Q90.0:

ICD-10-CM Codes Adjacent To Q90.0
Q89.01 Asplenia (congenital)
Q89.09 Congenital malformations of spleen
Q89.1 Congenital malformations of adrenal gland
Q89.2 Congenital malformations of other endocrine glands
Q89.3 Situs inversus
Q89.4 Conjoined twins
Q89.7 Multiple congenital malformations, not elsewhere classified
Q89.8 Other specified congenital malformations
Q89.9 Congenital malformation, unspecified
Q90 Down syndrome
Q90.0 Trisomy 21, nonmosaicism (meiotic nondisjunction)
Q90.1 Trisomy 21, mosaicism (mitotic nondisjunction)
Q90.2 Trisomy 21, translocation
Q90.9 Down syndrome, unspecified
Q91 Trisomy 18 and Trisomy 13
Q91.0 Trisomy 18, nonmosaicism (meiotic nondisjunction)
Q91.1 Trisomy 18, mosaicism (mitotic nondisjunction)
Q91.2 Trisomy 18, translocation
Q91.3 Trisomy 18, unspecified
Q91.4 Trisomy 13, nonmosaicism (meiotic nondisjunction)
Q91.5 Trisomy 13, mosaicism (mitotic nondisjunction)

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.