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ICD-10 Guide
ICD-10 CodesQ27.30

Q27.30

Billable

Arteriovenous malformation, site unspecified

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

Code Description

ICD-10 Q27.30 is a billable code used to indicate a diagnosis of arteriovenous malformation, site unspecified.

Key Diagnostic Point:

Arteriovenous malformations (AVMs) are congenital vascular anomalies characterized by an abnormal connection between arteries and veins, bypassing the capillary system. This condition can lead to various complications, including hemorrhage, ischemia, and heart failure, depending on the location and size of the malformation. AVMs can occur in any part of the body, including the brain, lungs, and extremities, but when the site is unspecified, it indicates that the precise location of the malformation has not been determined. In pediatric patients, AVMs may present with symptoms such as pain, swelling, or neurological deficits, depending on their location. Diagnosis typically involves imaging studies such as MRI or CT scans, and treatment options may include surgical resection, embolization, or observation. Accurate coding is essential for appropriate management and reimbursement, especially in cases where AVMs are associated with other congenital heart defects or chromosomal abnormalities.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and symptoms based on location.
  • Need for precise imaging and documentation to determine the site.
  • Potential association with other congenital conditions.
  • Differentiation from other vascular anomalies.

Audit Risk Factors

  • Inadequate documentation of the AVM's location.
  • Failure to document associated congenital conditions.
  • Misclassification of AVM type or severity.
  • Lack of imaging studies to support diagnosis.

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed clinical notes including symptoms, imaging results, and treatment plans.

Common Clinical Scenarios

Pediatric patients presenting with unexplained pain or swelling, or neurological deficits.

Billing Considerations

Consideration of growth and development impacts on treatment options and outcomes.

Genetics

Documentation Requirements

Genetic testing results, family history, and any syndromic associations.

Common Clinical Scenarios

Patients with AVMs associated with genetic syndromes such as Sturge-Weber syndrome.

Billing Considerations

Understanding the genetic basis of AVMs and their potential hereditary nature.

Coding Guidelines

Inclusion Criteria

Use Q27.30 When
  • Follow official ICD
  • CM guidelines for coding congenital malformations, ensuring specificity in documentation and coding based on clinical findings and imaging results

Exclusion Criteria

Do NOT use Q27.30 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

61626CPT Code

Embolization of cerebral arteriovenous malformation

Clinical Scenario

Used in cases where intervention is required for AVMs.

Documentation Requirements

Detailed procedural notes and imaging studies.

Specialty Considerations

Neurosurgery or interventional radiology documentation standards.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for greater specificity in coding congenital conditions, improving the ability to track and manage AVMs and their associated complications.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding congenital conditions, improving the ability to track and manage AVMs and their associated complications.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for greater specificity in coding congenital conditions, improving the ability to track and manage AVMs and their associated complications.

Resources

Clinical References

  • •
    Congenital Heart Defects: A Guide for Parents

Coding & Billing References

  • •
    Congenital Heart Defects: A Guide for Parents

Frequently Asked Questions

What is the significance of coding AVMs accurately?

Accurate coding of AVMs is crucial for appropriate treatment planning, reimbursement, and tracking of congenital conditions. It ensures that patients receive the necessary care and that healthcare providers are compensated for their services.