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v1.0.0
ICD-10 Guide
ICD-10 CodesR85.612

R85.612

Low grade squamous intraepithelial lesion on cytologic smear of anus (LGSIL)

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

Code Description

ICD-10 R85.612 is a billable code used to indicate a diagnosis of low grade squamous intraepithelial lesion on cytologic smear of anus (lgsil).

Key Diagnostic Point:

Low grade squamous intraepithelial lesion (LGSIL) on cytologic smear of the anus indicates the presence of abnormal squamous cells that are not cancerous but may indicate a precancerous condition. LGSIL is often associated with human papillomavirus (HPV) infection, which is a common sexually transmitted infection. The cytologic smear is a screening tool used to detect these abnormalities, and the findings suggest that while the lesions are low-grade, they warrant further evaluation and monitoring. Symptoms may include anal discomfort, bleeding, or changes in bowel habits, although many patients may be asymptomatic. The diagnosis is typically made through a combination of cytology and histological examination, with follow-up procedures such as colposcopy or biopsy often recommended to assess the extent of the lesions and rule out higher-grade lesions or malignancy.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between low-grade and high-grade lesions
  • Understanding the implications of HPV status
  • Navigating the follow-up procedures and their coding
  • Interpreting cytology reports accurately

Audit Risk Factors

  • Inadequate documentation of cytology results
  • Failure to document follow-up procedures
  • Misclassification of lesion grade
  • Inconsistent coding of HPV status

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Detailed documentation of cytology findings, patient history, and any follow-up procedures.

Common Clinical Scenarios

Routine screening in asymptomatic patients, follow-up of abnormal findings.

Billing Considerations

Ensure that HPV status is documented, as it may influence management and follow-up.

Emergency Medicine

Documentation Requirements

Acute care documentation including presenting symptoms and any immediate interventions.

Common Clinical Scenarios

Patients presenting with anal bleeding or discomfort.

Billing Considerations

Emergency settings may require rapid assessment and documentation of findings for appropriate coding.

Coding Guidelines

Inclusion Criteria

Use R85.612 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the cytology report and any associated findings
  • Use additional codes for HPV status if applicable

Exclusion Criteria

Do NOT use R85.612 When
No specific exclusions found.

Related CPT Codes

88141CPT Code

Cytopathology, cervical or vaginal, liquid-based preparation

Clinical Scenario

Used when performing a liquid-based Pap smear for anal cytology.

Documentation Requirements

Document the type of preparation and findings.

Specialty Considerations

Ensure that the procedure aligns with the diagnosis for accurate billing.

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 LGSIL, improving the accuracy of data collection and management strategies.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like LGSIL, improving the accuracy of data collection and management strategies.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of conditions like LGSIL, improving the accuracy of data collection and management strategies.

Resources

Clinical References

  • •
    CDC HPV Vaccine Information

Coding & Billing References

  • •
    CDC HPV Vaccine Information

Frequently Asked Questions

What is the significance of LGSIL?

LGSIL indicates the presence of low-grade squamous lesions that may require monitoring due to the potential for progression to higher-grade lesions or anal cancer.