ICD-10-CM Codes
Q00-Q99
Q90-Q99
Q90-
2023 ICD-10-CM Diagnosis Code Q90.0

2023 ICD-10-CM Diagnosis Code Q90.0

Trisomy 21, nonmosaicism (meiotic nondisjunction)

2016

2017

2018

2019

2020

2021

2022

2023

Billable/Specific Code

POA Exempt

Q90.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM Q90.0 became effective on October 1, 2022.
This is the American ICD-10-CM version of Q90.0 - other international versions of ICD-10 Q90.0 may differ.

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
2023 ICD-10-CM Range Q00-Q99
Congenital malformations, deformations and chromosomal abnormalities
Note
- Codes from this chapter are not for use on maternal records
Type 2 Excludes
- inborn errors of metabolism (E70-E88)
Congenital malformations, deformations and chromosomal abnormalities
Q90-Q99
2023 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
Use Additional
- code(s) to identify any associated physical conditions and degree of intellectual disabilities (F70-F79)
Down syndrome

Approximate Synonyms

Trisomy 21, nonmosaicism
Trisomy 21- meiotic nondisjunction

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.

Q90.0 is considered exempt from POA reporting.

ICD-10-CM Q90.0 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):

884 Organic disturbances and intellectual disability

Convert Q90.0 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change

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

Down syndrome Q90.9
ICD-10-CM Diagnosis Code Q90.9
Down syndrome, unspecified
Applicable To
Trisomy 21 NOS
- meiotic nondisjunction Q90.0
Syndrome - see also Disease
- trisomy Q92.9
  ICD-10-CM Diagnosis Code Q92.9
  Trisomy and partial trisomy of autosomes, unspecified
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
  - 21 Q90.9
    ICD-10-CM Diagnosis Code Q90.9
    Down syndrome, unspecified
    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
    Applicable To
    Trisomy 21 NOS
    - meiotic nondisjunction Q90.0
Trisomy (syndrome) Q92.9
ICD-10-CM Diagnosis Code Q92.9
Trisomy and partial trisomy of autosomes, unspecified
- 21 (partial) Q90.9
  ICD-10-CM Diagnosis Code Q90.9
  Down syndrome, unspecified
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
  Applicable To
  Trisomy 21 NOS
  - meiotic nondisjunction 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.

2023 ICD-10-CM Diagnosis Code Q90.0

Trisomy 21, nonmosaicism (meiotic nondisjunction)

Congenital malformations, deformations and chromosomal abnormalities

Chromosomal abnormalities, not elsewhere classified

Down syndrome

Down syndrome, unspecified

Trisomy and partial trisomy of autosomes, unspecified

Down syndrome, unspecified

Trisomy and partial trisomy of autosomes, unspecified

Down syndrome, unspecified