Non-Billable / Non-Specific Code
ICD-10-CM Q07.0 is the diagnosis code for Arnold-Chiari syndrome. This code falls under the section "Congenital malformations of the nervous 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.
The following conditions should never be coded at the same time as Q07.0. They are mutually exclusive:
Understanding where Q07.0 sits in the ICD-10-CM classification helps ensure proper coding:
No, Q07.0 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
Q07.0 is the ICD-10-CM diagnosis code for "Arnold-Chiari syndrome". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of Q07.0 is Q07 ("Other congenital malformations of nervous system"). Q07.0 provides a more specific classification within this category.
Q07.0 is located in Section Q00-Q07 — "Congenital malformations of the nervous system" within Chapter 17 of the ICD-10-CM Tabular List.
Q07.0 has 4 sub-code(s) that provide more specific detail: Q07.00, Q07.01, Q07.02, Q07.03.
Use Q07.0 when the patients documented diagnosis matches "Arnold-Chiari syndrome" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Arnold-Chiari syndrome is Q07.0.
No, Q07.0 is non-billable. Use a more specific sub-code for primary diagnosis billing.
Q07.0 is in Chapter 17 of the ICD-10-CM Tabular List.
Type 1 Excludes for Q07.0 include: Arnold-Chiari syndrome, type III (Q01.-); Arnold-Chiari syndrome, type IV (Q04.8).
Yes, Q07.0 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.