Q78.5 ICD-10-CA code: Metaphyseal dysplasia

Q78.5 is the ICD-10-CA code for “Metaphyseal dysplasia” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

Q78.5

Metaphyseal dysplasia

ICD-10-CA · Canada · Also written Q785

Index terms

Entries in CIHI’s alphabetical index that lead to Q78.5. Searching the index by the condition the note names is how coders reach this code.

  • Pyle's syndrome
  • Dysplasia, metaphyseal (Jansen's) (McKusick's) (Schmid's)
  • Chondrodysplasia, metaphyseal (Jansen's) (McKusick's) (Schmid's)

Notes for Q78.5

As CIHI prints them, with any note Q78.5 takes from the headings above it.

Includes

  • Pyle's syndrome

Excludes

Conditions classified elsewhere.

  • Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

Where Q78.5 sits

  1. 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  2. 2Block Q65-Q79Congenital malformations and deformations of the musculoskeletal system
  3. 3Category Q78Other osteochondrodysplasias
  4. 4Valid code Q78.5Metaphyseal dysplasia

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 Q78.5 mean?

Q78.5 is the ICD-10-CA code for “Metaphyseal dysplasia” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is Q78.5 in ICD-10-CA?

Q78.5 sits under Q78 Other osteochondrodysplasias, 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 Q78.5?

ICD-10-CA lists Includes, Excludes notes for Q78.5, 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.