Q93.5 ICD-10-CA code: Other deletions of part of a chromosome
Q93.5 is the ICD-10-CA code for “Other deletions of part of a chromosome” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
Q93.5Other deletions of part of a chromosome
ICD-10-CA · Canada · Also written Q935
Index terms
Entries in CIHI’s alphabetical index that lead to Q93.5. Searching the index by the condition the note names is how coders reach this code.
- Angelman syndrome
- Happy puppet syndrome
- Deletion, chromosome, part
- Chromosome, long arm l8 or 21 syndrome
- Deletion, chromosome, specified part NEC
- Syndrome, chromosome, l8 long arm deletion
- Syndrome, chromosome, 21 long arms deletion
- Deletion, long arm chromosome l8 or 21 syndrome
- Deletion, chromosome, short arm, specified part NEC
Notes for Q93.5
As CIHI prints them, with any note Q93.5 takes from the headings above it.
Includes
- Angelman syndrome
Excludes
Conditions classified elsewhere.
- Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Where Q93.5 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
- 4Valid code Q93.5Other deletions of part of a chromosome
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
What does ICD-10-CA code Q93.5 mean?
Q93.5 is the ICD-10-CA code for “Other deletions of part of a chromosome” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is Q93.5 in ICD-10-CA?
Q93.5 sits under Q93 Monosomies and deletions from the autosomes, not elsewhere classified, within Q90-Q99 Chromosomal abnormalities, not elsewhere classified, within Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
What coding notes apply to Q93.5?
ICD-10-CA lists Includes, Excludes notes for Q93.5, 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 Q93.5
View Q93Q93.0Whole 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 5Q93.6Deletions seen only at prometaphaseQ93.7Deletions with other complex rearrangementsQ93.8Other deletions from the autosomesQ93.9Deletion from autosomes, unspecified