Q77
Non-Billable

Osteochondrodysplasia with defects of growth of tubular bones and spine

Non-Billable / Non-Specific Code

What is Osteochondrodysplasia with defects of growth of tubular bones and spine?

ICD-10-CM Q77 is the diagnosis code for Osteochondrodysplasia with defects of growth of tubular bones and spine. 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 non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1
â„šī¸ Excludes2

Coding Guidelines for Q77

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as Q77. They are mutually exclusive:

  • mucopolysaccharidosis (E76.0-E76.3)

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in Q77. If the patient has both, code each condition separately:

  • congenital myotonic chondrodystrophy (G71.13)

ICD-10-CM Code Hierarchy

Understanding where Q77 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 10 entries
Q77.0AchondrogenesisBillableQ77.1Thanatophoric short statureBillableQ77.2Short rib syndromeBillableQ77.3Chondrodysplasia punctataBillableQ77.4AchondroplasiaBillableQ77.5Diastrophic dysplasiaBillableQ77.6Chondroectodermal dysplasiaBillableQ77.7Spondyloepiphyseal dysplasiaBillableQ77.8Other osteochondrodysplasia with defects of growth of tubular bones and spineBillableQ77.9Osteochondrodysplasia with defects of growth of tubular bones and spine, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is Q77 a billable ICD-10-CM code?

No, Q77 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does Q77 mean?

Q77 is the ICD-10-CM diagnosis code for "Osteochondrodysplasia with defects of growth of tubular bones and spine". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is Q77 in?

Q77 is located in Section Q65-Q79 — "Congenital malformations and deformations of the musculoskeletal system" within Chapter 17 of the ICD-10-CM Tabular List.

What are the sub-codes of Q77?

Q77 has 10 sub-code(s) that provide more specific detail: Q77.0, Q77.1, Q77.2, Q77.3, Q77.4 and more.

When should I use Q77?

Use Q77 when the patients documented diagnosis matches "Osteochondrodysplasia with defects of growth of tubular bones and spine" 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 Osteochondrodysplasia with defects of growth of tubular bones and spine?

The ICD-10-CM code for Osteochondrodysplasia with defects of growth of tubular bones and spine is Q77.

Can Q77 be used for primary diagnosis?

No, Q77 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is Q77 in?

Q77 is in Chapter 17 of the ICD-10-CM Tabular List.

What conditions are excluded from Q77?

Type 1 Excludes for Q77 include: mucopolysaccharidosis (E76.0-E76.3).

Is Q77 valid for 2026?

Yes, Q77 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousQ76.9Congenital malformation of bony thorax, unspecifiedNext →Q77.0Achondrogenesis
Code Details
Q77
Osteochondrodysplasia with defects of growth of tubular bones and spine
Non-Billable / Non-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