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v1.0.0
ICD-10 Guide
ICD-10 CodesN44.03

N44.03

Billable

Torsion of appendix testis

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/18/2025

Code Description

ICD-10 N44.03 is a billable code used to indicate a diagnosis of torsion of appendix testis.

Key Diagnostic Point:

Torsion of the appendix testis refers to the twisting of the small remnant of the embryonic tissue that is attached to the upper pole of the testis. This condition is most commonly seen in adolescents and can lead to acute scrotal pain. The torsion can compromise blood flow to the appendix testis, resulting in ischemia and potential necrosis if not promptly addressed. Symptoms typically include sudden onset of unilateral scrotal pain, swelling, and sometimes nausea or vomiting. Diagnosis is often made through physical examination and imaging studies, such as ultrasound, which can reveal the presence of a hydrocele or other testicular disorders. Management usually involves surgical intervention to untwist the appendix testis and may include fixation to prevent recurrence. If left untreated, torsion can lead to complications such as orchitis or contribute to male infertility due to damage to the surrounding testicular tissue.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between torsion of the appendix testis and testicular torsion.
  • Need for precise documentation of symptoms and imaging findings.
  • Potential for co-existing conditions such as hydrocele or orchitis.
  • Variability in clinical presentation among different age groups.

Audit Risk Factors

  • Inadequate documentation of clinical findings.
  • Failure to document imaging studies that support the diagnosis.
  • Misclassification of the condition as testicular torsion.
  • Lack of surgical documentation if intervention is performed.

Specialty Focus

Medical Specialties

Urology

Documentation Requirements

Detailed surgical notes, imaging results, and patient history.

Common Clinical Scenarios

Acute scrotal pain in adolescents, post-operative follow-up for torsion repair.

Billing Considerations

Ensure clear differentiation between torsion types and associated conditions.

Pediatrics

Documentation Requirements

Growth and development history, symptom onset details, and family history.

Common Clinical Scenarios

Evaluation of scrotal pain in young boys, management of hydrocele.

Billing Considerations

Consider age-related variations in presentation and management.

Coding Guidelines

Inclusion Criteria

Use N44.03 When
  • Follow official ICD
  • 10 guidelines for coding conditions related to the male reproductive system
  • Ensure accurate documentation of the clinical scenario, including any imaging studies or surgical interventions performed

Exclusion Criteria

Do NOT use N44.03 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

54640CPT Code

Exploration of scrotum, with or without detorsion of testis.

Clinical Scenario

Used when surgical intervention is required for torsion.

Documentation Requirements

Surgical notes detailing the procedure and findings.

Specialty Considerations

Urology specialists should ensure clear documentation of the surgical approach.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of conditions like torsion of appendix testis, 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 conditions like torsion of appendix testis, 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 are the common symptoms of torsion of appendix testis?

Common symptoms include sudden onset of unilateral scrotal pain, swelling, and sometimes nausea or vomiting. Physical examination may reveal tenderness and a palpable mass.

How is torsion of appendix testis diagnosed?

Diagnosis is primarily clinical, supported by imaging studies such as ultrasound, which can help differentiate it from testicular torsion.

What is the treatment for torsion of appendix testis?

Treatment typically involves surgical intervention to untwist the appendix testis and may include fixation to prevent recurrence.