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Q92.6

Q92.6Marker 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

Risk adjustment

Q92.6 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead Q92.6

2 child codes. Green means billable.

Related codes at this level

Codes that share Q92. If Q92.6 is not quite right, the correct code is usually one of these.

Questions about Q92.6

Is Q92.6 a billable ICD-10-CM code?
No. Q92.6 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does Q92.6 sit in the tabular list?
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Chromosomal abnormalities, not elsewhere classified (Q90-Q99).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.