Diagnosis Code: Q90.9

Short Description: Down syndrome, unspecified

Long Description: Down syndrome, unspecified

The code Q90.9 is VALID for claim submission

Code Classification:

• Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
    • Down syndrome (Q90)
      • Q90.9 Down syndrome, unspecified

Code Version: 2022 ICD-10-CM

Synonyms

• 21q partial distal trisomy
• 21q partial trisomy
• Complete trisomy 21 syndrome
• Complete trisomy 21 syndrome
• Complete trisomy 21 syndrome
• Complete trisomy 21 syndrome
• Complete trisomy 21 syndrome
• Dementia due to chromosomal anomaly
• Dementia with Down syndrome
• Distal duplication of chromosome 21
• Down syndrome co-occurrent with leukemoid reaction associated transient neonatal pustulosis
• Down's facies
• Leukemoid reaction
• Leukemoid reaction of the newborn
• Myeloid leukemia associated with Down syndrome
• Partial trisomy 21 in Down's syndrome
• Partial trisomy of chromosome 21
• Partial trisomy of chromosome 21
• Periodontitis exacerbated by Down syndrome
• Proximal duplication of chromosome 21
• Pustule
• Transient abnormal myelopoiesis
• Transient abnormal myelopoiesis co-occurrent with Down syndrome
• Transient neonatal pustulosis

References to Index of Diseases and Injuries

The code Q90.9 has the following ICD-10-CM references to the Index of Diseases and Injuries

• Inclusion Terms:
  • Trisomy 21 NOS

Crosswalk Information

Similar Codes

This page was last updated on: 10/1/2023

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