Conditions due to anomaly of unspecified chromosome
Chromosomal disorder (disorder)
Disorder, Chromosomal
Anomaly of chromosome pair 11
Cardiac arrhythmia associated with genetic disorder
Autosomal dominant hereditary disorder
Dementia due to chromosomal anomaly
Anomaly of chromosome pair 19
ALPS - autoimmune lymphoproliferative syndrome
Anomaly of chromosome pair 22
Anomaly of chromosome pair 12
Hereditary disorder trait (autosomal)
Anomaly of chromosome pair 15
Anomaly of chromosome pair 17
Chromosome Disorders
CFTR-related disorder
Alpha-thalassaemia intellectual disability syndrome linked to chromosome 16
Chromosomal Disorders
Anomaly of chromosome pair 16
Chromosome Disorder
anomalies chromosome
Alpha thalassemia intellectual disability syndrome, deletion type
Chromosomal disorder
Congenital chromosomal disease
Autosomal recessive hereditary disorder
Autosomal translocation
Anomaly of chromosome pair 5
chromosomal anomalies
Autosomal chromosomal disorder
Canale-Smith syndrome
Deletion of part of short arm of chromosome 16
Anomaly of chromosome pair 9
Dominant autosomal hereditary disorder, incomplete penetrance
Anomaly of chromosome pair 18
CHROMOSOME ABNORM DIS
Chromosome Abnormality Disorders
abnormality chromosome
disorders chromosome
CTLA-4 haploinsufficiency with autoimmune infiltration disease
Disorder, Chromosome
Disorder, Chromosome Abnormality
Autoimmune lymphoproliferative syndrome due to cytotoxic T-lymphocyte associated protein 4 haploinsufficiency
abnormalities chromosomes
Chromosomal abnormality syndrome
Anomaly of chromosome pair 6
Cystic fibrosis transmembrane conductance regulator-related disorder
Autosomal hereditary disorder
Anomaly of chromosome pair 14
chromosomal disease
Anomaly of chromosome pair 8
Chromosomal hereditary disorder
chromosomal diseases
Autoimmune lymphoproliferative syndrome due to CTLA4 haploinsufficiency
Anomaly of chromosome
Recessive hereditary disorder (autosomal)
Anomaly of chromosome pair 13
chromosomes disorders
CHROMOSOME DIS
Congenital disorder due to abnormality of chromosome number OR structure (disorder)
Anomaly of chromosome pair 2
Anomaly of chromosome pair 10
Chromosomal imbalance syndrome
Chromosomopathy
Schinzel syndrome
AD - Autosomal dominant
Disorders, Chromosomal
Dominant autosomal hereditary disorder, complete penetrance
Genetic disease
CFTR (cystic fibrosis transmembrane conductance regulator) related disorder
Autoimmune lymphoproliferative syndrome
chromosomes disorder
Alpha-thalassemia intellectual disability syndrome linked to chromosome 16
Anomaly of chromosome pair 21
abnormality chromosomal
Chromosome Abnormality Disorder
Dementia due to genetic disease
Alpha thalassaemia intellectual disability syndrome, deletion type
Chromosomal abnormality NOS
Congenital disorder due to abnormality of chromosome number OR structure
Cytogenetic abnormality
Anomaly of chromosome pair 4
anomaly chromosomal
chromosome anomaly
chromosome abnormality
diseases chromosomal
Ulnar mammary syndrome
anomalies chromosomes
Anomaly of chromosome pair 7
Chromosomal anomaly
ATR-16 syndrome
Anomaly of chromosome pair 20
Anomaly of chromosome pair 3
CHROMOSOMAL DIS
Ulnar-mammary syndrome
Anomaly of chromosome pair 1
Disorders, Chromosome
Immunodeficiency associated with chromosomal abnormality

Frequently Asked Questions

What is the ICD-10 code for chromosomal abnormality, unspecified?

The ICD-10-CM code for chromosomal abnormality, unspecified is Q99.9. The full clinical description is "Chromosomal abnormality, unspecified". Q99.9 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code Q99.9 mean?

ICD-10-CM code Q99.9 represents “Chromosomal abnormality, 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 Q99.9 a billable code?

Yes, Q99.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is Q99.9 in?

Q99.9 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).

What SNOMED CT codes does Q99.9 map to?

Q99.9 maps to 42 SNOMED CT concepts: 11164009, 702444009, 734349003, 74345006, 74769007, and 37 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for Q99.9?

Q99.9 is linked to 1 UMLS Concept Unique Identifier: C0008626. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does Q99.9 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like chromosomal abnormality, unspecified 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 Q99.9?

Q99.9 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.