Q92.6
Non-billableMarker chromosomes
Marker chromosomes
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Trisomies due to dicentrics
- Trisomies due to extra rings
- Trisomies due to isochromosomes
- Individual with marker heterochromatin
Includes
Conditions included under this code
- unbalanced translocations and insertions
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Child Codes (2)
Related Codes(7)
Q92.0Whole chromosome trisomy, nonmosaic (meiotic nondisjunction)
Q92.1Whole chromosome trisomy, mosaicism (mitotic nondisjunction)
Q92.2Partial trisomy
Q92.5Duplications with other complex rearrangements
Q92.7Triploidy and polyploidy
Q92.8Other specified trisomies and partial trisomies of autosomes
Q92.9Trisomy and partial trisomy of autosomes, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(14)
UMLS
- Chromosome MarkerC0008631
- Chromosome MarkersC0008631
- Marker chromosomesC0008631
- Marker, ChromosomeC0008631
- Markers, ChromosomeC0008631
- chromosome markerC0008631
- chromosome markersC0008631
- chromosomes markerC0008631
- marker chromosomeC0008631
- Individual with marker heterochromatinC0432454
- Individual with marker heterochromatin (disorder)C0432454
- Trisomies due to dicentricsC2910360
- Trisomies due to extra ringsC2910361
- Trisomies due to isochromosomesC2910362
Frequently Asked Questions
What is the ICD-10 code for marker chromosomes?
The ICD-10-CM code for marker chromosomes is Q92.6. The full clinical description is "Marker chromosomes". Q92.6 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code Q92.6 mean?
ICD-10-CM code Q92.6 represents “Marker chromosomes”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a non-billable header code. Use a more specific child code for billing purposes.
Is Q92.6 a billable code?
No, Q92.6 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under Q92.6.
What chapter is Q92.6 in?
Q92.6 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What codes cannot be used with Q92.6?
Q92.6 has Excludes1 notes indicating codes that cannot be used together with it, including: trisomies of chromosomes 13, 18, 21 (Q90-Q91).
What are the subcategories under Q92.6?
Q92.6 has 2 child codes, including: Q92.61 (Marker chromosomes in normal individual), Q92.62 (Marker chromosomes in abnormal individual).
What are the UMLS CUIs for Q92.6?
Q92.6 is linked to 5 UMLS Concept Unique Identifiers: C0008631, C0432454, C2910360, C2910361, C2910362. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Q92.6 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like marker chromosomes 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 Q92.6?
Q92.6 maps to the ICD-11 code: LD41.Q (Extra marker chromosomes).
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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.