Q92.0

Whole chromosome trisomy, nonmosaicism (meiotic nondisjunction)

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

RxHCC V08

RXHCC148

Mild or Unspecified Intellectual Disability/Developmental Disorder

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

Inherited from Q92Oth trisomies and partial trisomies of the autosomes, NEC
Includes

unbalanced translocations and insertions

Excludes 1

trisomies of chromosomes 13, 18, 21 (Q90-Q91)

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 Q92.0

FY 2026 ›
I.C.17Chapter-specific guidanceChapter 17: Congenital malformations, deformations, and chromosomal abnormalities (Q00-QA1)

Sections that reference Q92.0

Sections whose FY 2026 text names Q92.0, its Q92 category, or a range containing it — the chapter guidance above is the authoritative source.

Find Q92.0 in the alphabetic index

2 index paths lead to this code