Q93.1
ICD-10BillableWhole chromosome monosomy, mosaic (mitotic nondisjunction)
Official ICD-10-CM descriptor (FY2026)
Whole chromosome monosomy, mosaicism (mitotic nondisjunction)
Q93.1 is valid for submission on a claim — CMS flags it as a billable, specific code.
Related codes in Q93
- Q93.0Whole chromosome monosomy,nonmosaic (meiotic nondisjunction)
- Q93.2Chromosome replaced with ring, dicentric or isochromosome
- Q93.3Deletion of short arm of chromosome 4
- Q93.4Deletion of short arm of chromosome 5
- Q93.5Other deletions of part of a chromosomecategory
- Q93.7Deletions with other complex rearrangements
- Q93.8Other deletions from the autosomescategory
- Q93.9Deletion from autosomes, unspecified
Where this code sits
- Parent code
- Q93
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.