Q90.9
BillableDown syndrome, unspecified
Down syndrome, unspecified
Status
Billable / Specific
Parent Code
Q90Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Trisomy 21 NOS
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
- code(s) to identify any associated degree of intellectual disabilities (F70-F79)
Code Also
A second code may be required; sequencing depends on circumstances
- associated physical condition(s), such as atrioventricular septal defect (Q21.2-)
Also Known As / Clinical Terms
UMLS
- Down syndromeC0013080
- 21 trisomiesC0013080
- 21 trisomyC0013080
- 47,XX,+21C0013080
- 47,XY,+21C0013080
- DOWN SYNDROMEC0013080
- Down SyndromeC0013080
- Down syndrome, unspecifiedC0013080
- Down's SyndromeC0013080
- Down's syndromeC0013080
- Downs SyndromeC0013080
- Downs syndromeC0013080
- MongolismC0013080
- Syndrome Down'sC0013080
- Syndrome, DownC0013080
- Syndrome, Down'sC0013080
- TRISOMY 21C0013080
- Trisomy 21C0013080
- Trisomy 21 (Down Syndrome)C0013080
- Trisomy 21 (morphologic abnormality)C0013080
- Trisomy 21 NOSC0013080
- Trisomy 21 SyndromeC0013080
- Trisomy GC0013080
- down s syndromeC0013080
- downing syndromeC0013080
- mongolismC0013080
- mongoloidismC0013080
- morbus downC0013080
- trisomy 21C0013080
- trisomy 21 syndromeC0013080
SNOMED CT
- Complete trisomy 21 syndrome41040004
- Down syndrome41040004
- Downs syndrome41040004
- T21 - Trisomy 2141040004
- Leukaemoid reaction56478004
- Leukemoid reaction56478004
- Infantile pseudoleukaemia191273000
- Infantile pseudoleukemia191273000
- Leukaemoid reaction of the newborn191273000
- Leukemoid reaction of the newborn191273000
- 21q partial distal trisomy227035005
- 21q partial trisomy228050004
- Transient neonatal pustular melanosis239092005
- Transient neonatal pustulosis239092005
- Down facies248199009
- Down's facies248199009
- Partial trisomy 21 in Down syndrome254264002
- Partial trisomy 21 in Down's syndrome254264002
- Trisomy 21 - translocation254264002
- Transient abnormal myelopoiesis721307000
- Dementia due to chromosomal anomaly722980006
- Transient abnormal myelopoiesis and Down syndrome724643004
- Transient abnormal myelopoiesis co-occurrent with Down syndrome724643004
- Myeloid leukaemia and Down syndrome724644005
- Myeloid leukaemia associated with Down syndrome724644005
- Myeloid leukaemia co-occurrent with Down syndrome724644005
- Myeloid leukemia and Down syndrome724644005
- Myeloid leukemia associated with Down syndrome724644005
- Myeloid leukemia co-occurrent with Down syndrome724644005
- Duplication of chromosome 21726361003
- Partial trisomy of chromosome 21726361003
- Dementia co-occurrent and due to Down syndrome733194007
- Dementia with Down syndrome733194007
- Down syndrome co-occurrent with leukaemoid reaction associated transient neonatal pustulosis840505007
- Down syndrome co-occurrent with leukemoid reaction associated transient neonatal pustulosis840505007
- Distal duplication of chromosome 21897545002
- Distal partial trisomy 21897545002
- Proximal duplication of chromosome 211003905001
- Periodontitis exacerbated by Down syndrome1184621000
- Periodontitis exacerbated by Down's syndrome1184621000
Frequently Asked Questions
What is the ICD-10 code for down syndrome, unspecified?
The ICD-10-CM code for down syndrome, unspecified is Q90.9. The full clinical description is "Down syndrome, unspecified". Q90.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q90.9 mean?
ICD-10-CM code Q90.9 represents "Down syndrome, unspecified". It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.
Is Q90.9 a billable code?
Yes, Q90.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q90.9 in?
Q90.9 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
Are additional codes required with Q90.9?
Yes, when using Q90.9 you should also code: code(s) to identify any associated degree of intellectual disabilities (F70-F79).
What SNOMED CT codes does Q90.9 map to?
Q90.9 maps to 18 SNOMED CT concepts: 227035005, 228050004, 41040004, 733194007, 722980006, and 13 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q90.9?
Q90.9 is linked to 1 UMLS Concept Unique Identifier: C0013080. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.