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ICD-10 Coding for Cervical Intraepithelial Neoplasia II(N87.1)

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

Also known as:

CIN IIModerate Cervical Dysplasia

Related ICD-10 Code Ranges

Complete code families applicable to Cervical Intraepithelial Neoplasia II

N87-N87.9Primary Range

Dysplasia of cervix uteri

This range includes codes for various grades of cervical dysplasia, including CIN II.

Carcinoma in situ of cervix uteri

This range is relevant for cases where CIN II is documented as HSIL, which may require coding as carcinoma in situ.

Key Information: ICD-10 code for CIN II

Essential facts and insights about Cervical Intraepithelial Neoplasia II

The ICD-10 code for Cervical Intraepithelial Neoplasia II (CIN II) is N87.1, used for moderate cervical dysplasia.

Primary ICD-10-CM Code for cervical intraepithelial neoplasia ii

Moderate cervical dysplasia
Billable Code

Decision Criteria

clinical Criteria

  • Biopsy confirms CIN II without HSIL terminology.

coding Criteria

  • HSIL terminology requires D06.9.

Applicable To

  • Cervical intraepithelial neoplasia [CIN] grade II

Excludes

  • Severe dysplasia (CIN III)
  • Carcinoma in situ

Clinical Validation Requirements

  • Biopsy-confirmed moderate dysplasia
  • p16-negative (if tested)

Code-Specific Risks

  • Misclassification as CIN III if HSIL is documented

Coding Notes

  • Ensure documentation specifies CIN II and p16 status.

Ancillary Codes

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

HPV high-risk positive

R87.610
Use when HPV 16/18 is detected.

Differential Codes

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

Carcinoma in situ of cervix uteri

D06.9
Use if CIN II is documented as HSIL with p16 positivity.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Cervical Intraepithelial Neoplasia II to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code N87.1.

Impact

Clinical: Lack of specificity in treatment planning, Regulatory: Triggers audits for unspecified codes, Financial: Potential reimbursement issues

Mitigation Strategy

Always specify CIN grade in documentation, Query for clarification if grade is not documented

Impact

Reimbursement: Incorrect DRG assignment, Compliance: Potential audit flags, Data Quality: Inaccurate clinical data

Mitigation Strategy

Verify p16 status and HSIL terminology before coding.

Impact

Risk of misclassification between CIN II and HSIL.

Mitigation Strategy

Verify documentation for p16 status and HSIL terminology.

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 II, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Cervical Intraepithelial Neoplasia II

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

Biopsy-confirmed CIN II

Specialty: Gynecology

Required Elements

  • Biopsy report
  • p16 status
  • HPV test results

Example Documentation

45yo F with ASC-H Pap result. Colposcopy reveals acetowhite lesion at 3 o’clock. Biopsy confirms CIN II (moderate dysplasia), p16-negative. Plan: LEEP procedure scheduled.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Cervical dysplasia, follow-up needed.
Good Documentation Example
Moderate cervical intraepithelial neoplasia (CIN II), p16-negative. HPV 18 detected.
Explanation
The good example specifies the grade of dysplasia and includes p16 and HPV status, which are critical for accurate coding.

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

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