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ICD-10 Coding for Cervical Intraepithelial Neoplasia Grade III(D06.9)

Complete ICD-10-CM coding and documentation guide for Cervical Intraepithelial Neoplasia Grade III. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

CIN IIIHSIL (CIN III)Severe Dysplasia

Related ICD-10 Code Ranges

Complete code families applicable to Cervical Intraepithelial Neoplasia Grade III

D06Primary Range

Carcinoma in situ of cervix uteri

This range includes codes for cervical intraepithelial neoplasia, specifically CIN III, which is classified as carcinoma in situ.

Dysplasia of cervix uteri

This range includes codes for cervical dysplasia, such as CIN II, which is important for differential diagnosis.

Key Information: ICD-10 code for CIN III

Essential facts and insights about Cervical Intraepithelial Neoplasia Grade III

The ICD-10 code for Cervical Intraepithelial Neoplasia Grade III (CIN III) is D06.9.

Primary ICD-10-CM Code for cervical intraepithelial neoplasia-grade iii

Carcinoma in situ of cervix uteri, unspecified
Billable Code

Decision Criteria

clinical Criteria

  • Histological confirmation of CIN III with p16 positivity.

documentation Criteria

  • Explicit mention of CIN III or HSIL (CIN III) in pathology report.

Applicable To

  • CIN III
  • HSIL (CIN III)
  • Severe dysplasia

Excludes

  • CIN II (N87.1)
  • CIN 2-3 without specification

Clinical Validation Requirements

  • Histologically confirmed CIN III
  • p16 block-positive staining

Code-Specific Risks

  • Incorrectly coding CIN 2-3 as CIN III without confirmation.

Coding Notes

  • Ensure documentation explicitly states CIN III or HSIL (CIN III) with supporting histopathology.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Encounter for screening for malignant neoplasm of cervix

Z12.4
Use when CIN III is identified during routine screening.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Moderate cervical dysplasia (CIN II)

N87.1
Use N87.1 if CIN II is confirmed without full-thickness atypia or negative p16 staining.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Cervical Intraepithelial Neoplasia Grade III to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code D06.9.

Impact

Clinical: Leads to incorrect treatment planning., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials.

Mitigation Strategy

Ensure clear communication with pathologists., Verify documentation before coding.

Impact

Reimbursement: Incorrect coding can lead to denied claims., Compliance: Non-compliance with ICD-10 coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation Strategy

Query the provider to confirm if CIN III is present.

Impact

Inaccurate or incomplete documentation of CIN III.

Mitigation Strategy

Implement regular training for providers on documentation standards.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Cervical Intraepithelial Neoplasia Grade III, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Cervical Intraepithelial Neoplasia Grade III

Use these documentation templates to ensure complete and accurate documentation for Cervical Intraepithelial Neoplasia Grade III. These templates include all required elements for proper coding and billing.

Pathology report for CIN III

Specialty: Pathology

Required Elements

  • Histological findings
  • p16 staining results
  • Diagnosis

Examples: Poor vs. Good Documentation

Poor Documentation Example
Moderate to severe dysplasia present.
Good Documentation Example
Biopsy shows full-thickness nuclear atypia, loss of polarity, and mitotic figures in upper third of epithelium. p16 immunohistochemistry confirms block-positive staining. Diagnosis: HSIL (CIN III).
Explanation
The good example provides specific histological findings and confirms CIN III with p16 positivity.

Need help with ICD-10 coding for Cervical Intraepithelial Neoplasia Grade III? Ask your questions below.

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