Q73.8 ICD-10-CA code: Other reduction defects of unspecified limb(s)
Q73.8 is the ICD-10-CA code for “Other reduction defects of unspecified limb(s)” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
Q73.8Other reduction defects of unspecified limb(s)
Short description: Other reduction defects of NOS limb(s)
ICD-10-CA · Canada · Also written Q738
Index terms
Entries in CIHI’s alphabetical index that lead to Q73.8. Searching the index by the condition the note names is how coders reach this code.
- Hemimelia
- Ectromelia
- Hemiectromelia
- Hypoplasia, hypoplastic, limb
- Deformity, reduction (extremity) (limb), congenital
Notes for Q73.8
As CIHI prints them, with any note Q73.8 takes from the headings above it.
Includes
- Ectromelia NOS, Hemimelia NOS, Reduction defect of limb(s) NOSLongitudinal reduction deformity of unspecified limb(s)
Excludes
Conditions classified elsewhere.
- Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Where Q73.8 sits
- 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- 2Block Q65-Q79Congenital malformations and deformations of the musculoskeletal system
- 3Category Q73Reduction defects of unspecified limb
- 4Valid code Q73.8Other reduction defects of unspecified limb(s)
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 Q73.8 mean?
Q73.8 is the ICD-10-CA code for “Other reduction defects of unspecified limb(s)” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is Q73.8 in ICD-10-CA?
Q73.8 sits under Q73 Reduction defects of unspecified limb, within Q65-Q79 Congenital malformations and deformations of the musculoskeletal system, within Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
What coding notes apply to Q73.8?
ICD-10-CA lists Includes, Excludes notes for Q73.8, 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.