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ICD-10 Coding for Endometrial Thickening(N85.00, R93.89)

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

Also known as:

Thickened EndometriumEndometrial Hyperplasia

Related ICD-10 Code Ranges

Complete code families applicable to Endometrial Thickening

N85.0-N85.9Primary Range

Noninflammatory disorders of the endometrium

This range includes codes for various types of endometrial hyperplasia, which are common causes of endometrial thickening.

Abnormal findings on diagnostic imaging of other specified body structures

Used for imaging findings of endometrial thickening when hyperplasia is not confirmed.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
N85.00Endometrial hyperplasia without atypiaUse when biopsy confirms simple endometrial hyperplasia without atypia.
  • Histological confirmation of hyperplasia without atypia
R93.89Abnormal findings on diagnostic imaging of other specified body structuresUse when imaging shows thickened endometrium but hyperplasia is not confirmed.
  • Imaging report showing thickened endometrium

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 endometrial thickening

Essential facts and insights about Endometrial Thickening

The ICD-10 code for endometrial thickening without confirmed hyperplasia is R93.89. If hyperplasia is confirmed, use N85.00 for simple hyperplasia without atypia.

Primary ICD-10-CM Codes for endometrial thickening

Endometrial hyperplasia without atypia
Billable Code

Decision Criteria

clinical Criteria

  • Biopsy confirms simple hyperplasia without atypia

Applicable To

  • Simple endometrial hyperplasia without atypia

Excludes

  • Endometrial hyperplasia with atypia (N85.01)

Clinical Validation Requirements

  • Histological confirmation of hyperplasia without atypia

Code-Specific Risks

  • Misuse without biopsy confirmation

Coding Notes

  • Ensure biopsy confirmation before using this code.

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 for routine surveillance in high-risk patients.

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

Z79.810
Use in patients with history of SERM use.

Differential Codes

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

Endometrial hyperplasia with atypia

N85.01
Presence of atypical cells on biopsy.

Endometrial hyperplasia without atypia

N85.00
Requires biopsy confirmation.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Endometrial Thickening to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code N85.00.

Impact

Clinical: Misleading diagnosis affecting treatment., Regulatory: Potential audit issues., Financial: Claim denials due to incorrect coding.

Mitigation Strategy

Verify biopsy results before coding., Educate staff on coding requirements.

Impact

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

Mitigation Strategy

Ensure biopsy confirms hyperplasia before coding N85.0x.

Impact

High risk of audit if hyperplasia coded without biopsy.

Mitigation Strategy

Implement mandatory biopsy documentation checks.

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

Documentation Templates for Endometrial Thickening

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

Postmenopausal endometrial thickening

Specialty: Gynecology

Required Elements

  • Patient history
  • Imaging findings
  • Biopsy results
  • Treatment plan

Example Documentation

55yo F presents with 12mm ET on TVUS. Biopsy confirms simple hyperplasia without atypia. Plan: Progestin therapy.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Thickened endometrium on ultrasound.
Good Documentation Example
TVUS shows 12mm ET. Biopsy confirms simple hyperplasia without atypia.
Explanation
The good example includes biopsy confirmation, necessary for accurate coding.

Need help with ICD-10 coding for Endometrial Thickening? Ask your questions below.

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