Q92.9
Trisomy and partial trisomy of autosomes, unspecified
Q92.9 (also written Q929) is a billable ICD-10-CM diagnosis code for trisomy and partial trisomy of autosomes, unspecified. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 9 codes in category Q92 (Other trisomies and partial trisomies of the autosomes, not elsewhere classified). The Alphabetic Index lists it under 7 entries. Its coding notes include 1 Excludes1 entry and 2 Excludes2 entries.
Guidelines tip
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
Chapter 17 codes can be used for life. Manifestations that are an inherent part of a specifically coded anomaly are not coded separately. A corrected malformation is reported with a personal history code.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
- trisomies of chromosomes 13, 18, 21 (Q90-Q91)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (2 notes)
- mitochondrial metabolic disorders (E88.4-)
- inborn errors of metabolism (E70-E88)
Includes
Further defines or gives examples of the content of the category.
- unbalanced translocations and insertions
Notes
Also from chapter/block level (1 note)
- Codes from this chapter are not for use on maternal records
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 7 entries