Q99.8
BillableOther specified chromosome abnormalities
Other specified chromosome abnormalities
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(4)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for other specified chromosome abnormalities?
The ICD-10-CM code for other specified chromosome abnormalities is Q99.8. The full clinical description is "Other specified chromosome abnormalities". Q99.8 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q99.8 mean?
ICD-10-CM code Q99.8 represents “Other specified chromosome abnormalities”. 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 Q99.8 a billable code?
Yes, Q99.8 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q99.8 in?
Q99.8 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What are the UMLS CUIs for Q99.8?
Q99.8 is linked to 1 UMLS Concept Unique Identifier: C0478107. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Q99.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other specified chromosome abnormalities affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of Q99.8?
Q99.8 maps to the ICD-11 code: LD7Z (Chromosomal anomalies, excluding gene mutations, unspecified).
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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.