Q92.6
Header — not billableMarker chromosomes
The ICD-10 code for marker chromosomes is Q92.6.
Q92.6 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Trisomies due to dicentrics
- Trisomies due to extra rings
- Trisomies due to isochromosomes
- Individual with marker heterochromatin
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under Q92.6
Related codes in this category
- Q92.0Whole chromosome trisomy, nonmosaicism (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
- Q92.6Marker chromosomesnon-billable header