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Q92.8

Other specified trisomies and partial trisomies of autosomes

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 2 never code together
Q92code
Excludes1
  • trisomies of chromosomes 13, 18, 21 (Q90-Q91)Q90-Q91
Q90-Q99block
Excludes2
  • mitochondrial metabolic disorders (E88.4-)E88.4-

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 4
Q92code
Includes
  • unbalanced translocations and insertions
Q92.8code
Inclusion terms
  • Duplications identified by fluorescence in situ hybridization (FISH)
  • Duplications identified by in situ hybridization (ISH)
  • Duplications seen only at prometaphase
Index entries leading here 5
  • Trisomy (syndrome) Q92.9
  • Syndrome — see also Disease
  • Accessory (congenital)
    • chromosome (s) NEC (nonsex) Q92.9
      • with complex rearrangements NEC Q92.5
        • seen only at prometaphase Q92.8
  • Cat
  • Duplication, duplex — see also Accessory
    • chromosome NEC — see also Trisomy
      • seen only at prometaphase Q92.8
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 Q92.6 Marker chromosomes category Q92.7 Triploidy and polyploidy Q92.9 Trisomy and partial trisomy of 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.

Risk adjustment

RX08HCC148

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
Q92
Block
Q90-Q99
Siblings
7

Present FY2024–FY2027.