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v1.0.0
ICD-10 Guide
ICD-10 CodesQ43.5

Q43.5

Billable

Ectopic anus

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

Code Description

ICD-10 Q43.5 is a billable code used to indicate a diagnosis of ectopic anus.

Key Diagnostic Point:

Ectopic anus is a congenital malformation characterized by the abnormal positioning of the anus, which may be located in an atypical location on the perineum or may be absent altogether. This condition is often associated with other congenital anomalies, particularly those affecting the gastrointestinal tract. Ectopic anus can lead to significant complications, including fecal incontinence, recurrent infections, and challenges in bowel management. It is commonly diagnosed in infancy, often during routine physical examinations or when symptoms arise. The condition may be part of a broader spectrum of disorders, including anorectal malformations, which can also involve conditions such as esophageal atresia, Hirschsprung disease, and imperforate anus. Surgical intervention is typically required to correct the malformation and restore normal bowel function. The prognosis for children with ectopic anus largely depends on the presence of associated anomalies and the timing and success of surgical repair.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and associated anomalies
  • Need for precise anatomical descriptions in documentation
  • Potential for multiple surgical interventions
  • Differentiation from similar conditions (e.g., imperforate anus)

Audit Risk Factors

  • Inadequate documentation of associated congenital anomalies
  • Failure to specify the exact location of the ectopic anus
  • Incorrect coding of surgical procedures related to repair
  • Misclassification of the condition as a non-congenital anomaly

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Documentation must include detailed descriptions of the anatomical location of the ectopic anus, associated anomalies, and any surgical interventions performed.

Common Clinical Scenarios

Common scenarios include newborns presenting with fecal incontinence or abnormal anal positioning, requiring surgical evaluation.

Billing Considerations

Coders should be aware of the potential for multiple congenital anomalies and ensure all are documented and coded appropriately.

Genetics

Documentation Requirements

Genetic evaluations may be necessary to assess for syndromic associations with ectopic anus, requiring detailed family history and genetic testing results.

Common Clinical Scenarios

Scenarios may include genetic counseling for families with a history of congenital malformations or syndromes associated with ectopic anus.

Billing Considerations

Coders should consider the implications of genetic syndromes that may accompany ectopic anus, ensuring accurate coding of both the malformation and any genetic conditions.

Coding Guidelines

Inclusion Criteria

Use Q43.5 When
  • According to ICD
  • 10 coding guidelines, congenital conditions like ectopic anus should be coded based on the specific anatomical details and any associated congenital anomalies
  • Coders must ensure that all relevant documentation is present to support the diagnosis

Exclusion Criteria

Do NOT use Q43.5 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

44600CPT Code

Anorectal reconstruction

Clinical Scenario

Used in surgical correction of ectopic anus.

Documentation Requirements

Detailed operative report and pre-operative assessment.

Specialty Considerations

Pediatric surgeons should provide comprehensive documentation of the surgical approach and outcomes.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of congenital conditions like ectopic anus, improving the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions like ectopic anus, improving the accuracy of data collection and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

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 primary concern with ectopic anus?

The primary concern with ectopic anus is the potential for fecal incontinence and associated complications, which necessitate surgical intervention and ongoing management.