Q92.6

Q92.6: Marker chromosomes

Non-billable headerICD-10-CM

Q92.6 is a non-billable header ICD-10-CM code for marker chromosomes. It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Trisomies due to dicentrics
Trisomies due to extra rings
Trisomies due to isochromosomes
Individual with marker heterochromatin

Excludes1 inherited from the categories above Q92.6

A category’s note binds every code beneath it.

Written on Q92: Other trisomies and partial trisomies of the autosomes, not elsewhere classified

trisomies of chromosomes 13, 18, 21 (Q90-Q91)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead Q92.6

2 child codes. Green means billable.

Q92.61Marker chromosomes in normal individual
Q92.62Marker chromosomes in abnormal individual

Other codes under Q92

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