Q78.6
Billable

Multiple congenital exostoses

Billable / Specific Code

What is Multiple congenital exostoses?

ICD-10-CM Q78.6 is the diagnosis code for Multiple congenital exostoses. This code falls under the section "Congenital malformations and deformations of the musculoskeletal system" within Chapter 17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions

Coding Guidelines for Q78.6

✅ This Code Includes

  • Diaphyseal aclasis

ICD-10-CM Code Hierarchy

Understanding where Q78.6 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is Q78.6 a billable ICD-10-CM code?

Yes, Q78.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does Q78.6 mean?

Q78.6 is the ICD-10-CM diagnosis code for "Multiple congenital exostoses". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of Q78.6?

The parent code of Q78.6 is Q78 ("Other osteochondrodysplasias"). Q78.6 provides a more specific classification within this category.

What section is Q78.6 in?

Q78.6 is located in Section Q65-Q79 — "Congenital malformations and deformations of the musculoskeletal system" within Chapter 17 of the ICD-10-CM Tabular List.

When should I use Q78.6?

Use Q78.6 when the patients documented diagnosis matches "Multiple congenital exostoses" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Multiple congenital exostoses?

The ICD-10-CM code for Multiple congenital exostoses is Q78.6.

Can Q78.6 be used for primary diagnosis?

Yes, Q78.6 can be used as a primary diagnosis code since it is billable and specific.

What chapter is Q78.6 in?

Q78.6 is in Chapter 17 of the ICD-10-CM Tabular List.

Is Q78.6 valid for 2026?

Yes, Q78.6 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousQ78.5Metaphyseal dysplasiaNext →Q78.8Other specified osteochondrodysplasias
Code Details
Q78.6
Multiple congenital exostoses
Billable / Specific Code
17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q65-Q79 — Congenital malformations and deformations of the musculoskeletal system
2026 ICD-10-CM