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ICD-10 Coding for Enlarged Uterus(N85.2, O26.84-)

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

Also known as:

Uterine HypertrophyUterine Enlargement

Related ICD-10 Code Ranges

Complete code families applicable to Enlarged Uterus

N85-N85.9Primary Range

Other noninflammatory disorders of uterus

This range includes codes for non-pregnancy related uterine conditions such as hypertrophy.

Uterine size-date discrepancy in pregnancy

This range is used for pregnancy-related uterine enlargement without fetal growth issues.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
N85.2Hypertrophy of uterusUse for non-pregnant patients with documented uterine enlargement.
  • Ultrasound or MRI confirming uterine enlargement
  • Documentation of non-pregnancy status
  • Associated symptoms like pelvic pain or heavy bleeding
O26.84-Uterine size-date discrepancy in pregnancyUse during pregnancy when fundal height is greater than expected for gestational age.
  • Fundal height measurements showing discrepancy
  • Ultrasound confirming normal fetal growth

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 enlarged uterus

Essential facts and insights about Enlarged Uterus

The ICD-10 code for an enlarged uterus not related to pregnancy is N85.2. For pregnancy-related enlargement, use O26.84-.

Primary ICD-10-CM Codes for enlarged uterus

Hypertrophy of uterus
Billable Code

Decision Criteria

clinical Criteria

  • Uterine enlargement confirmed by imaging in a non-pregnant patient.

documentation Criteria

  • Clear documentation of non-pregnancy and associated symptoms.

Applicable To

  • Non-pregnant uterine enlargement

Excludes

  • Uterine size-date discrepancy in pregnancy (O26.84-)

Clinical Validation Requirements

  • Ultrasound or MRI confirming uterine enlargement
  • Documentation of non-pregnancy status
  • Associated symptoms like pelvic pain or heavy bleeding

Code-Specific Risks

  • Confusion with pregnancy-related codes
  • Lack of specificity in documentation

Coding Notes

  • Ensure documentation specifies non-pregnancy status and any underlying causes.

Ancillary Codes

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

Leiomyoma of uterus, unspecified

D25.9
Use when fibroids are the cause of uterine hypertrophy.

Adenomyosis

N80.0
Use when adenomyosis is present with uterine hypertrophy.

Differential Codes

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

Uterine size-date discrepancy in pregnancy

O26.84-
Use when uterine enlargement is due to pregnancy without fetal growth issues.

Hypertrophy of uterus

N85.2
Use when uterine enlargement is unrelated to pregnancy.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Enlarged Uterus to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code N85.2.

Impact

Clinical: May lead to misdiagnosis or inappropriate treatment., Regulatory: Potential for audit issues due to insufficient documentation., Financial: Incorrect coding can affect reimbursement rates.

Mitigation Strategy

Ensure imaging reports include detailed uterine measurements., Document all relevant clinical findings and symptoms.

Impact

Reimbursement: Incorrect DRG assignment leading to reimbursement issues., Compliance: Potential audit flags for incorrect coding., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation Strategy

Verify pregnancy status and use O26.84- only when uterine enlargement is due to pregnancy.

Impact

Reimbursement: May lead to lower reimbursement rates., Compliance: Non-compliance with coding guidelines., Data Quality: Lack of specificity in patient records.

Mitigation Strategy

Document underlying causes such as fibroids or adenomyosis.

Impact

Using O26.84- for non-pregnant patients.

Mitigation Strategy

Verify pregnancy status 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 Enlarged Uterus, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Enlarged Uterus

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

Non-pregnant patient with uterine hypertrophy

Specialty: Gynecology

Required Elements

  • Patient history
  • Pelvic examination findings
  • Imaging results
  • Associated symptoms
  • Differential diagnosis

Example Documentation

Patient presents with pelvic pressure and menorrhagia. Pelvic exam reveals a 14-week-sized uterus. Ultrasound confirms 9.5 cm uterus with subserosal fibroids.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Uterus feels large.
Good Documentation Example
Non-gravid uterus measures 14 cm length, 250g weight on ultrasound; no fetal pole visualized.
Explanation
The good example provides specific measurements and rules out pregnancy, supporting accurate coding.

Need help with ICD-10 coding for Enlarged Uterus? Ask your questions below.

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