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Q90.1

Billable

Trisomy 21, mosaicism (mitotic nondisjunction)

Trisomy 21, mosaicism (mitotic nondisjunction)

Status

Billable / Specific

Parent Code

Q90

Coding Notes

Excludes 2

Conditions not included here, but the patient may have both

  • inborn errors of metabolism (E70-E88)
  • mitochondrial metabolic disorders (E88.4-)

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

SNOMED CT

UMLS

Frequently Asked Questions

What is the ICD-10 code for trisomy 21, mosaicism (mitotic nondisjunction)?

The ICD-10-CM code for trisomy 21, mosaicism (mitotic nondisjunction) is Q90.1. The full clinical description is "Trisomy 21, mosaicism (mitotic nondisjunction)". Q90.1 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q90.1 mean?

ICD-10-CM code Q90.1 represents "Trisomy 21, mosaicism (mitotic nondisjunction)". 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 Q90.1 a billable code?

Yes, Q90.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q90.1 in?

Q90.1 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

Are additional codes required with Q90.1?

Yes, when using Q90.1 you should also code: code(s) to identify any associated degree of intellectual disabilities (F70-F79).

What SNOMED CT codes does Q90.1 map to?

Q90.1 maps to 3 SNOMED CT concepts: 41040004, 205616004, 254270008. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q90.1?

Q90.1 is linked to 1 UMLS Concept Unique Identifier: C0432418. 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.