All ICD10 Codes

Q90.0

Billable
ChapterQ00–Q99
Ranksubcategory
Official Description

Trisomy 21, nonmosaicism (meiotic nondisjunction)

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).
General instructions are available for the parent sections:
View CH17 NotesView Q90-Q99 NotesView Q90 Notes

Clinical Hierarchy

BillableHas subcodes
CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q90-Q99Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
Q90Down syndrome
Q90.0Trisomy 21, nonmosaicism (meiotic nondisjunction)Billable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q90.0:

categoryQ90
Down syndrome
View context instructions
blockQ90-Q99
Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
View context instructions
chapterCH17
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 884
Organic Disturbances and Intellectual Disability

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Trisomy 21, nonmosaicism (meiotic nondisjunction).

Search PCS Codes