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ICD-10 Coding for Right Adnexal Cyst(N83.291, N83.201)

Complete ICD-10-CM coding and documentation guide for Right Adnexal Cyst. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Right Ovarian CystRight-Sided Adnexal Mass

Related ICD-10 Code Ranges

Complete code families applicable to Right Adnexal Cyst

N83.2-N83.29Primary Range

Noninflammatory disorders of ovary, fallopian tube and broad ligament

This range includes codes for ovarian cysts, specifying laterality and type.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
N83.291Other ovarian cyst, right sideUse for confirmed complex cysts requiring intervention.
  • Complex septated right adnexal mass on transvaginal ultrasound
  • Right ovarian tenderness on bimanual exam
  • CA-125 levels between 32-200 U/mL in premenopausal women
N83.201Unspecified ovarian cyst, right sideUse for incidental findings of simple cysts without complications.
  • Simple anechoic cyst <5cm diameter
  • No internal vascularity on Doppler
  • Asymptomatic/non-tender

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 right adnexal cyst

Essential facts and insights about Right Adnexal Cyst

The ICD-10 code for a right adnexal cyst is N83.291 for complex cysts and N83.201 for unspecified simple cysts.

Primary ICD-10-CM Codes for right adnexal cyst

Other ovarian cyst, right side
Billable Code

Decision Criteria

clinical Criteria

  • Complex cyst features on imaging

documentation Criteria

  • Detailed imaging and symptom documentation

Applicable To

  • Complex ovarian cyst
  • Endometrioma
  • Hemorrhagic cyst

Excludes

  • Malignant ovarian cyst (C56.1)

Clinical Validation Requirements

  • Complex septated right adnexal mass on transvaginal ultrasound
  • Right ovarian tenderness on bimanual exam
  • CA-125 levels between 32-200 U/mL in premenopausal women

Code-Specific Risks

  • Incorrect laterality documentation
  • Misclassification of cyst type

Coding Notes

  • Ensure laterality is documented to avoid unspecified codes.

Ancillary Codes

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

Right lower quadrant pain

R10.31
Use when pain is present and influences treatment decisions.

Differential Codes

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

Malignant neoplasm of right ovary

C56.1
Presence of solid components, ascites, or elevated CA-125 >200 U/mL.

Other ovarian cyst, right side

N83.291
Presence of complex features on imaging.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Right Adnexal Cyst to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code N83.291.

Impact

Clinical: Affects treatment decisions and follow-up recommendations., Regulatory: Non-compliance with coding guidelines requiring complete documentation., Financial: Potential for denied claims due to insufficient documentation.

Mitigation Strategy

Always document menopausal status in patient notes., Use templates that prompt for menopausal status.

Impact

Reimbursement: May lead to reduced reimbursement due to lack of specificity., Compliance: Increases risk of audit failure due to non-compliance with coding guidelines., Data Quality: Impacts data accuracy and quality for clinical research.

Mitigation Strategy

Always verify and document the side of the cyst to use specific codes.

Impact

Failure to document laterality can lead to incorrect coding and audits.

Mitigation Strategy

Implement mandatory fields in EHR for laterality in all relevant documentation.

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 Right Adnexal Cyst, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Right Adnexal Cyst

Use these documentation templates to ensure complete and accurate documentation for Right Adnexal Cyst. These templates include all required elements for proper coding and billing.

Right Adnexal Mass Evaluation

Specialty: Gynecology

Required Elements

  • Menopausal status
  • Symptoms
  • Imaging findings
  • Lab results

Example Documentation

Right Adnexal Mass Evaluation Menopausal Status: [Premenopausal/Postmenopausal] Symptoms: [RLQ pain duration/character, dyspareunia, bloating] Exam: - Right adnexal tenderness: [Present/Absent] - Cervical motion tenderness: [Yes/No] Imaging: - US Findings: [Simple/Complex] - Size: ___cm - Septations: [Number/thickness] - Doppler flow: [Peripheral/Central/None] - MRI/CT Findings if obtained: [Describe] Labs: - CA-125: ___ U/mL (Postmenopausal >35 = abnormal) - HE4: ___ pmol/L (If obtained) Assessment: [ ] N83.201 - Simple right ovarian cyst [ ] N83.291 - Complex right ovarian cyst [ ] C56.1 - Suspicious for malignancy Plan: [Observation/Follow-up imaging/Surgical referral]

Examples: Poor vs. Good Documentation

Poor Documentation Example
Right ovarian cyst noted.
Good Documentation Example
Transvaginal US reveals 3.2cm simple unilocular anechoic cyst in right ovary (3.2 x 2.8 x 3.1cm) with smooth walls and no internal flow on Doppler. Patient denies pelvic pain. Plan: Follow-up US in 6-8 weeks.
Explanation
The good example provides detailed imaging findings and a clear follow-up plan, supporting accurate coding.

Need help with ICD-10 coding for Right Adnexal Cyst? Ask your questions below.

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