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ICD-10 Coding for Thickened Endometrium(R93.89, N85.00)

Complete ICD-10-CM coding and documentation guide for Thickened 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 Thickened Endometrium

N85.00-N85.05Primary Range

Endometrial hyperplasia codes

These codes are used for confirmed cases of endometrial hyperplasia, with or without atypia.

Abnormal findings on diagnostic imaging of other specified body structures

Used for abnormal imaging findings of the endometrium without a confirmed diagnosis.

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 imaging shows thickened endometrium without biopsy confirmation of hyperplasia.
  • Ultrasound showing endometrial thickness >4mm in postmenopausal women or >16mm in premenopausal women
N85.00Endometrial hyperplasia without atypiaUse when biopsy confirms hyperplasia without atypia.
  • Biopsy confirming simple or complex hyperplasia without atypia

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 thickened endometrium

Essential facts and insights about Thickened Endometrium

The ICD-10 code for thickened endometrium without a confirmed diagnosis is R93.89. If biopsy confirms hyperplasia, use N85.00 for hyperplasia without atypia.

Primary ICD-10-CM Codes for thickened endometrium

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

Decision Criteria

clinical Criteria

  • Imaging shows endometrial thickening without biopsy confirmation.

Applicable To

  • Abnormal ultrasound findings of the endometrium

Excludes

  • Confirmed endometrial hyperplasia

Clinical Validation Requirements

  • Ultrasound showing endometrial thickness >4mm in postmenopausal women or >16mm in premenopausal women

Code-Specific Risks

  • Misclassification as hyperplasia without biopsy confirmation

Coding Notes

  • Ensure imaging findings are documented clearly without assuming hyperplasia.

Ancillary Codes

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

Long term (current) use of selective estrogen receptor modulators (SERMs)

Z79.810
Use when patient is on tamoxifen therapy.

Genetic susceptibility to malignant neoplasm of endometrium

Z15.04
Use when there is a documented genetic risk.

Differential Codes

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

Endometrial hyperplasia without atypia

N85.00
Use when biopsy confirms hyperplasia without atypia.

Abnormal findings on diagnostic imaging of other specified body structures

R93.89
Use when imaging shows thickening but no biopsy confirmation.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Thickened 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 misdiagnosis and inappropriate treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims due to insufficient documentation.

Mitigation Strategy

Always include specific imaging and biopsy findings., Use templates to ensure comprehensive documentation.

Impact

Reimbursement: Incorrect DRG assignment leading to reduced reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation Strategy

Use R93.89 for imaging findings without biopsy confirmation.

Impact

Risk of coding thickened endometrium as hyperplasia without biopsy.

Mitigation Strategy

Require biopsy confirmation before coding hyperplasia.

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

Documentation Templates for Thickened Endometrium

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

Postmenopausal bleeding with thickened endometrium

Specialty: Gynecology

Required Elements

  • Menopausal status
  • Ultrasound findings
  • Biopsy results
  • Risk factors

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has thickened endometrium.
Good Documentation Example
Patient presents with postmenopausal bleeding. Ultrasound shows 9mm endometrial thickness. Biopsy confirms complex hyperplasia without atypia.
Explanation
The good example provides specific findings and biopsy confirmation, essential for accurate coding.

Need help with ICD-10 coding for Thickened Endometrium? Ask your questions below.

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