Q93
Monosomies and deletions from the autosomes, not elsewhere classified
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 1 never code together
Instructional notes
No further instructional notes apply.
Index entries leading here filed at null
No alphabetic index entry points at this code.
Subordinate codes 9
Q93.0 Whole chromosome monosomy,nonmosaic (meiotic nondisjunction) Q93.1 Whole chromosome monosomy, mosaic (mitotic nondisjunction) Q93.2 Chromosome replaced with ring, dicentric or isochromosome Q93.3 Deletion of short arm of chromosome 4 Q93.4 Deletion of short arm of chromosome 5 Q93.5 Other deletions of part of a chromosome Q93.7 Deletions with other complex rearrangements Q93.8 Other deletions from the autosomes Q93.9 Deletion from autosomes, unspecified
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.