ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesQ07.02

Q07.02

Billable

Arnold-Chiari syndrome with hydrocephalus

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 Q07.02 is a billable code used to indicate a diagnosis of arnold-chiari syndrome with hydrocephalus.

Key Diagnostic Point:

Arnold-Chiari syndrome is a congenital malformation characterized by the displacement of the cerebellar tonsils through the foramen magnum into the spinal canal. This condition can lead to a variety of neurological symptoms due to the obstruction of cerebrospinal fluid (CSF) flow, resulting in hydrocephalus, which is an accumulation of CSF in the brain's ventricles. Patients may present with symptoms such as headaches, neck pain, balance issues, and developmental delays. Hydrocephalus can exacerbate these symptoms and may require surgical intervention, such as the placement of a shunt to manage CSF levels. The condition is often diagnosed through imaging studies, including MRI, which can reveal the characteristic structural anomalies. The presence of hydrocephalus complicates the clinical picture and management, necessitating a multidisciplinary approach involving pediatricians, neurologists, and neurosurgeons.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between types of Chiari malformations
  • Identifying associated conditions such as hydrocephalus
  • Need for detailed imaging documentation
  • Variability in clinical presentation among patients

Audit Risk Factors

  • Inadequate documentation of symptoms and clinical findings
  • Failure to document imaging studies supporting the diagnosis
  • Misclassification of the type of Chiari malformation
  • Omission of associated conditions like hydrocephalus

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed clinical notes on developmental milestones, neurological assessments, and imaging results.

Common Clinical Scenarios

Pediatric patients presenting with headaches, developmental delays, or abnormal neurological findings.

Billing Considerations

Consideration of age-related developmental norms and the impact of hydrocephalus on growth and development.

Genetics

Documentation Requirements

Genetic testing results, family history of congenital malformations, and any chromosomal abnormalities.

Common Clinical Scenarios

Patients with a family history of Chiari malformations or other congenital anomalies undergoing genetic counseling.

Billing Considerations

Understanding the genetic basis of congenital malformations and the implications for family planning.

Coding Guidelines

Inclusion Criteria

Use Q07.02 When
  • Follow the official ICD
  • CM guidelines for coding congenital malformations, ensuring accurate documentation of associated conditions and any surgical interventions

Exclusion Criteria

Do NOT use Q07.02 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

62258CPT Code

Insertion of a shunt for hydrocephalus

Clinical Scenario

Used when managing hydrocephalus associated with Arnold-Chiari syndrome.

Documentation Requirements

Surgical notes detailing the procedure and indications for shunt placement.

Specialty Considerations

Neurosurgical documentation must clearly outline the rationale for intervention.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of congenital malformations, improving the accuracy of diagnoses and facilitating better patient management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital malformations, improving the accuracy of diagnoses and facilitating better patient management.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of congenital malformations, improving the accuracy of diagnoses and facilitating better patient management.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the significance of coding Q07.02 accurately?

Accurate coding of Q07.02 is crucial for appropriate reimbursement, ensuring that patients receive the necessary interventions for Arnold-Chiari syndrome with hydrocephalus, and for tracking the prevalence of this congenital condition.