Q93
Monosomies and deletions from the autosomes, not elsewhere classified
Header / non-billable
Choose the additional character
Q93 needs more characters to be billable. Pick the specific code below.
- Q93.0Whole chromosome monosomy, nonmosaicism (meiotic nondisjunction)Billable
- Q93.1Whole chromosome monosomy, mosaicism (mitotic nondisjunction)Billable
- Q93.2Chromosome replaced with ring, dicentric or isochromosomeBillable
- Q93.3Deletion of short arm of chromosome 4Billable
- Q93.4Deletion of short arm of chromosome 5Billable
- Q93.5Other deletions of part of a chromosomeMore levels
- Q93.7Deletions with other complex rearrangementsBillable
- Q93.8Other deletions from the autosomesMore levels
- Q93.9Deletion from autosomes, unspecifiedBillable
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
Inherited from Q90-Q99Chromosomal abnormalities, not elsewhere classified
Excludes 2
mitochondrial metabolic disorders (E88.4-)
Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities
Excludes 2
inborn errors of metabolism (E70-E88)
Note
Codes from this chapter are not for use on maternal records
Official Guidelines for Q93
FY 2026 ›Sections that reference Q93
Sections whose FY 2026 text names Q93, its Q93 category, or a range containing it — the chapter guidance above is the authoritative source.