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 CodesChapter 17: Congenital malformations and chromosomal abnormalitiesQ27

Q27

Billable

Other congenital malformations of peripheral vascular system

Chapter 17:Congenital malformations and chromosomal abnormalities

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

Code Description

ICD-10 Q27 is a billable code used to indicate a diagnosis of other congenital malformations of peripheral vascular system.

Key Diagnostic Point:

Congenital malformations of the peripheral vascular system encompass a variety of structural anomalies that can affect the arteries and veins outside of the heart. These malformations can lead to significant clinical implications, including impaired blood flow, ischemia, and potential organ dysfunction. Common congenital heart defects such as septal defects, tetralogy of Fallot, and coarctation of the aorta are often associated with peripheral vascular anomalies. Septal defects, characterized by abnormal openings between the heart chambers, can lead to increased pulmonary blood flow and heart failure if not addressed. Tetralogy of Fallot, a combination of four heart defects, can result in cyanosis and requires surgical intervention. Coarctation of the aorta, a narrowing of the aorta, can lead to hypertension and heart failure if untreated. Accurate coding of these conditions is essential for appropriate management and reimbursement, as they often require multidisciplinary care involving cardiology, surgery, and genetics.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and severity of congenital malformations
  • Need for detailed anatomical descriptions in documentation
  • Potential for multiple coexisting congenital conditions
  • Differentiation between congenital and acquired conditions

Audit Risk Factors

  • Inadequate documentation of the specific malformation
  • Failure to capture coexisting congenital conditions
  • Misclassification of congenital versus acquired conditions
  • Lack of clarity in the clinical rationale for procedures performed

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Pediatric documentation must include growth parameters, developmental milestones, and specific details of the congenital malformation, including any interventions or surgeries performed.

Common Clinical Scenarios

Common scenarios include infants presenting with cyanosis, failure to thrive, or heart murmurs, necessitating echocardiography and potential surgical intervention.

Billing Considerations

Coders should be aware of the age-related implications of congenital conditions and the need for ongoing monitoring and follow-up.

Genetics

Documentation Requirements

Genetic documentation should include family history, genetic testing results, and any syndromic associations with congenital malformations.

Common Clinical Scenarios

Scenarios may involve genetic counseling for families with a history of congenital heart defects or syndromic presentations.

Billing Considerations

Consideration of chromosomal abnormalities that may be associated with congenital malformations is crucial for accurate coding.

Coding Guidelines

Inclusion Criteria

Use Q27 When
  • Official coding guidelines for congenital and chromosomal conditions emphasize the importance of specificity in documentation, the need to capture all relevant congenital anomalies, and the requirement to differentiate between congenital and acquired conditions

Exclusion Criteria

Do NOT use Q27 When
No specific exclusions found.

Related CPT Codes

93306CPT Code

Echocardiography, transthoracic, real-time with interpretation

Clinical Scenario

Used for initial evaluation of congenital heart defects in pediatric patients.

Documentation Requirements

Documentation must include indications for the echocardiogram and findings related to congenital malformations.

Specialty Considerations

Pediatric cardiologists should ensure detailed reports that correlate findings with clinical diagnoses.

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 ability to capture the complexity of these conditions and their management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital malformations, improving the ability to capture the complexity of these conditions and their management.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of congenital malformations, improving the ability to capture the complexity of these conditions and their management.

Resources

Clinical References

  • •
    American Academy of Pediatrics Coding Resources

Coding & Billing References

  • •
    American Academy of Pediatrics Coding Resources

Frequently Asked Questions

What documentation is required for coding congenital malformations?

Documentation should include a detailed clinical history, physical examination findings, imaging results, and any surgical interventions performed. It is essential to capture all relevant congenital anomalies and their implications for patient care.