Q78.6

Billable

ChapterQ00–Q99

Ranksubcategory

Official Description

Multiple congenital exostoses

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).

Instructional Notes

Includes

Diaphyseal aclasis

General instructions are available for the parent sections:

View CH17 Notes View Q78 Notes

Clinical Hierarchy

CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

Q65-Q79Congenital malformations and deformations of the musculoskeletal system (Q65-Q79)

Q78Other osteochondrodysplasias

Q78.6Multiple congenital exostoses

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q78.6:

categoryQ78

Other osteochondrodysplasias

View context instructions

chapterCH17

Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Q78.6. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths

Aclasis, diaphyseal1 unique routes

Direct index entry→Q78.6

Diaphysial aclasis1 unique routes

Direct index entry→Q78.6

Exostosis2 unique routes

congenital (multiple)→Q78.6

multiple, congenital→Q78.6