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v1.0.0
ICD-10 Guide
DiagnosesPinworms

Pinworms

ICD-10 Coding for Pinworm Infection(B80)

PRIMARY SPECIALTYPediatrics
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Pinworms?
Essential facts and insights about Pinworm Infection

Key Clinical Considerations:

  • Itching around the anus, especially at night
  • Presence of pinworm eggs on tape test
  • Abdominal pain or discomfort

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of symptoms and duration
  • Results of tape test or stool examination
  • Physical exam findings including perianal inspection

Coding Guidelines

Usage Guidelines & Examples

  • Follow ICD-10 guidelines for specificity in coding pinworms.
  • Common errors include misclassifying the condition or using outdated codes.

Code Exclusions

Important Exclusions

  • Other helminth infections, such as ascariasis
  • Alternative codes for gastrointestinal symptoms without confirmed diagnosis

Related ICD-10 Codes

Primary Codes
B80.1
Enterobiasis due to Enterobius vermicularis
Ancillary Codes
L29.0
Differential Codes
L29.0
L29.0
for anal itching without confirmed pinworm infection.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Pediatrics

Specialty Applications

  • Pediatric patients, especially children aged 5-10
  • Outpatient pediatric clinics, emergency departments

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What are the documentation requirements?

Document patient symptoms, diagnostic tests performed, and treatment plan.

What are the billing considerations?

Ensure accurate coding to reflect the diagnosis and any associated treatments.