ICD-10 code for replaced chromosome by dicentric ring

The ICD-10-CM code for replaced chromosome by dicentric ring is Q93.2 (Chromosome replaced with ring, dicentric or isochromosome).

Within Q93 (Monosomies and deletions from the autosomes, not elsewhere classified), Q93.2 is specifically for chromosome replaced with ring, dicentric or isochromosome. Related codes cover whole chromosome monosomy, nonmosaicism (meiotic nondisjunction) (Q93.0), whole chromosome monosomy, mosaicism (mitotic nondisjunction) (Q93.1), deletion of short arm of chromosome 4 (Q93.3), deletion of short arm of chromosome 5 (Q93.4), other deletions of part of a chromosome (Q93.5), deletions with other complex rearrangements (Q93.7), other deletions from the autosomes (Q93.8) and deletion from autosomes, unspecified (Q93.9).

It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.

In MS-DRG v44.0, it is part of the grouping logic for DRG 951 (Other Factors Influencing Health Status, relative weight 0.5577), in MDC 23 (Factors Influencing Health Status and Other Contacts with Health Services), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.