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ICD-10 Coding for Thickening of the Endometrium(R93.89, N85.00)

Complete ICD-10-CM coding and documentation guide for Thickening of the Endometrium. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Endometrial ThickeningEndometrial Hyperplasia

Related ICD-10 Code Ranges

Complete code families applicable to Thickening of the Endometrium

R93.8Primary Range

Abnormal findings on diagnostic imaging of other specified body structures

Used for incidental findings of endometrial thickening without confirmed hyperplasia.

Endometrial hyperplasia

Used when endometrial hyperplasia is confirmed by biopsy.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
R93.89Abnormal findings on diagnostic imaging of other specified body structuresUse when endometrial thickening is noted on imaging without biopsy confirmation of hyperplasia.
  • Ultrasound showing endometrial thickness ≥5 mm in postmenopausal women without bleeding
N85.00Endometrial hyperplasia, unspecifiedUse when hyperplasia is confirmed by biopsy.
  • Biopsy report confirming hyperplasia

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for thickening of the endometrium

Essential facts and insights about Thickening of the Endometrium

The ICD-10 code for incidental thickening of the endometrium is R93.89, used when hyperplasia is not confirmed by biopsy.

Primary ICD-10-CM Codes for thickening of the endometrium

Abnormal findings on diagnostic imaging of other specified body structures
Billable Code

Decision Criteria

clinical Criteria

  • Endometrial thickness ≥5 mm on TVUS in postmenopausal women

documentation Criteria

  • Absence of biopsy confirmation for hyperplasia

Applicable To

  • Incidental finding of endometrial thickening

Excludes

  • Confirmed endometrial hyperplasia (N85.0-)

Clinical Validation Requirements

  • Ultrasound showing endometrial thickness ≥5 mm in postmenopausal women without bleeding

Code-Specific Risks

  • Incorrectly using this code for confirmed hyperplasia can lead to audit issues.

Coding Notes

  • Ensure documentation specifies 'thickening' without terms like 'hyperplasia' unless confirmed.

Ancillary Codes

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

Encounter for other preprocedural examination

Z01.818
Use when imaging is part of a screening process.

Differential Codes

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

Endometrial hyperplasia, unspecified

N85.00
Use only when hyperplasia is confirmed by biopsy.

Abnormal findings on diagnostic imaging of other specified body structures

R93.89
Use for imaging findings without biopsy confirmation.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Thickening of the Endometrium to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code R93.89.

Impact

Clinical: Leads to vague clinical records., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims.

Mitigation Strategy

Use specific terms like 'endometrial thickness of X mm'., Ensure biopsy results are documented if applicable.

Impact

Reimbursement: Incorrect DRG assignment can affect reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Use R93.89 for imaging findings and reserve N85.00 for confirmed cases.

Impact

Using N85.00 without biopsy confirmation can trigger audits.

Mitigation Strategy

Ensure biopsy confirmation is documented before coding.

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 Thickening of the Endometrium, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Thickening of the Endometrium

Use these documentation templates to ensure complete and accurate documentation for Thickening of the Endometrium. These templates include all required elements for proper coding and billing.

Postmenopausal Screening

Specialty: Gynecology

Required Elements

  • Patient age and menopausal status
  • Ultrasound findings
  • Biopsy results if applicable

Example Documentation

62yo F, asymptomatic. TVUS shows endometrial thickness 8 mm. No bleeding. Plan: Endometrial biopsy.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has thick endometrium. Follow up in 6 months.
Good Documentation Example
Postmenopausal patient with asymptomatic endometrial thickening of 9 mm on TVUS (no bleeding). Plan: Endometrial biopsy scheduled.
Explanation
The good example provides specific measurements and a clear plan of action.

Need help with ICD-10 coding for Thickening of the Endometrium? Ask your questions below.

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