ICD-10-CM>Q00-QA1>Q90-Q99>Q92>Q92.6Q92.6Marker chromosomesNon-Billable/Non-SpecificApplicable ToTrisomies due to dicentricsTrisomies due to extra ringsTrisomies due to isochromosomesIndividual with marker heterochromatinCodesQ92.61Marker chromosomes in normal individualQ92.62Marker chromosomes in abnormal individual