Q93 ICD-10-CA category: Monosomies and deletions from the autosomes, not elsewhere classified
Q93 isn’t a code on its own. Choose one of the 10 codes beneath it, the one the documentation supports.
Official description
Q93Monosomies and deletions from the autosomes, not elsewhere classified
ICD-10-CA · Canada
Codes in Q93
Q93 isn’t a code on its own. Open the code that matches what the note documents.
Q93.0Whole chromosome monosomy, meiotic nondisjunctionQ93.1Whole chromosome monosomy, mosaicism (mitotic nondisjunction)Q93.2Chromosome replaced with ring or dicentricQ93.3Deletion of short arm of chromosome 4Q93.4Deletion of short arm of chromosome 5Q93.5Other deletions of part of a chromosomeQ93.6Deletions seen only at prometaphaseQ93.7Deletions with other complex rearrangementsQ93.8Other deletions from the autosomesQ93.9Deletion from autosomes, unspecifiedNotes for Q93
As CIHI prints them, with any note Q93 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Where Q93 sits
- 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- 2Block Q90-Q99Chromosomal abnormalities, not elsewhere classified
- 3Category Q93Monosomies and deletions from the autosomes, not elsewhere classified
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is Q93 a valid ICD-10-CA code?
No. Q93 (Monosomies and deletions from the autosomes, not elsewhere classified) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 10 codes; record the one the documentation supports.
Where is Q93 in ICD-10-CA?
Q93 sits under Q90-Q99 Chromosomal abnormalities, not elsewhere classified, within Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
What coding notes apply to Q93?
ICD-10-CA lists Excludes notes for Q93, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside Q93
View Q90-Q99Q90Down's syndromeQ91Edwards' syndrome and Patau's syndromeQ92Other trisomies and partial trisomies of the autosomes, not elsewhere classifiedQ95Balanced rearrangements and structural markers, not elsewhere classifiedQ96Turner's syndromeQ97Other sex chromosome abnormalities, female phenotype, not elsewhere classifiedQ98Other sex chromosome abnormalities, male phenotype, not elsewhere classifiedQ99Other chromosome abnormalities, not elsewhere classified