2026 ICD-10-CM Diagnosis Code Q77Osteochondrodysplasia with defects of growth of tubular bones and spine

ICD-10-CM Codes›Q00-Q99›Q65-Q79›Q77

ICD-10-CM Q77
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q77 is a non-billable ICD-10-CM category code for osteochondrodysplasia with defects of growth of tubular bones and spine, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Q77.0, Q77.1, Q77.2, and Q77.3.

Code Identity

ICD-10-CM Code
Q77
Billable Status
No — Non-Billable Category
Code Describes
Osteochondrodysplasia with defects of growth of tubular bones and spine
Chapter
Q65-Q79
Congenital malformations and deformations of the musculoskeletal system

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ65-Q79Congenital malformations and deformations of the musculoskeletal system
CategoryQ77Osteochondrodysplasia with defects of growth of tubular bones and spine
This CodeQ77Osteochondrodysplasia with defects of growth of tubular bones and spine

Specific Coding for Osteochndrdys w defects of growth of tubular bones and spineOverview

Non-specific codes like Q77 require more characters. Use one of these billable codes instead:

  • Use Q77.0 for Achondrogenesis

  • Use Q77.1 for Thanatophoric short stature

  • Use Q77.2 for Short rib syndrome

  • Use Q77.3 for Chondrodysplasia punctata

  • Use Q77.4 for Achondroplasia

  • Use Q77.5 for Diastrophic dysplasia

  • Use Q77.6 for Chondroectodermal dysplasia

  • Use Q77.7 for Spondyloepiphyseal dysplasia

  • Use Q77.8 for Other osteochondrodysplasia with defects of growth of tubular bones and spine

  • Use Q77.9 for Osteochondrodysplasia with defects of growth of tubular bones and spine, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

Type 2 Excludes

  • congenital myotonic chondrodystrophy G71.13

Patient EducationClinical

Birth Defects

A birth defect is a problem that happens while a baby is developing in the mother's body. Most birth defects happen during the first 3 months of pregnancy. One out of every 33 babies in the United States is born with a birth defect.

The full article covers:

  • What are birth defects?
  • What causes birth defects?
  • Who is at risk of having a baby with birth defects?
  • How are birth defects diagnosed?
  • What are the treatments for birth defects?
  • Can birth defects be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Q77Overview

Is Q77 a billable code?

No. This is a category header that groups the codes for osteochondrodysplasia with defects of growth of tubular bones and spine, and headers cannot be submitted on claims. Claims for osteochondrodysplasia with defects of growth of tubular bones and spine need a more specific code from this category, such as Q77.0, Q77.1, and Q77.2.