Q92.6
Marker chromosomes
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 2 never code together
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 5
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 7 same parent — Q92
Q92.0 Whole chromosome trisomy, nonmosaic (meiotic nondisjunction) Q92.1 Whole chromosome trisomy, mosaicism (mitotic nondisjunction) Q92.2 Partial trisomy Q92.5 Duplications with other complex rearrangements Q92.7 Triploidy and polyploidy Q92.8 Other specified trisomies and partial trisomies of autosomes Q92.9 Trisomy and partial trisomy of autosomes, unspecified
Subordinate codes 2
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.