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ICD-10 Coding for Pelvic Mass(N83.0, C56.1)

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

Also known as:

Adnexal MassOvarian Mass

Related ICD-10 Code Ranges

Complete code families applicable to Pelvic Mass

N83.0-N83.9Primary Range

Noninflammatory disorders of ovary, fallopian tube and broad ligament

Covers various types of ovarian and adnexal masses, including cysts and benign tumors.

Malignant neoplasm of ovary

Used when a pelvic mass is confirmed to be malignant.

Benign neoplasm of ovary

Applicable for benign ovarian tumors identified during evaluation of a pelvic mass.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
N83.0Noninflammatory disorder of ovary, unspecifiedUse when imaging confirms a noninflammatory ovarian disorder without specific type.
  • Ultrasound showing anechoic cyst <5 cm
  • Normal CA-125 level
C56.1Malignant neoplasm of right ovaryUse when malignancy is confirmed in the right ovary.
  • Histopathology confirming adenocarcinoma
  • CT showing peritoneal involvement

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 pelvic mass

Essential facts and insights about Pelvic Mass

The ICD-10 code for a pelvic mass is N83.0 for noninflammatory disorders and C56.1 for malignant neoplasms.

Primary ICD-10-CM Codes for pelvic mass

Noninflammatory disorder of ovary, unspecified
Non-billable Code

Decision Criteria

clinical Criteria

  • Presence of a noninflammatory ovarian cyst on imaging

Applicable To

  • Ovarian cyst, unspecified

Excludes

  • Malignant neoplasm of ovary (C56.-)

Clinical Validation Requirements

  • Ultrasound showing anechoic cyst <5 cm
  • Normal CA-125 level

Code-Specific Risks

  • Risk of undercoding if malignancy is suspected but not confirmed.

Coding Notes

  • Ensure imaging and lab results are documented to support the diagnosis.

Ancillary Codes

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

Pelvic and perineal pain

R10.2
Use when pain is a significant symptom driving care.

Abnormal findings on diagnostic imaging of other specified body structures

R93.29
Use for abnormal imaging findings pending further diagnosis.

Differential Codes

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

Malignant neoplasm of right ovary

C56.1
Histopathology confirming malignancy.

Noninflammatory disorder of ovary, unspecified

N83.0
Lack of histopathological confirmation of malignancy.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Pelvic Mass to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code N83.0.

Impact

Clinical: May lead to inappropriate treatment decisions., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims due to insufficient documentation.

Mitigation Strategy

Ensure imaging reports are included in the patient's record, Verify documentation before claim submission

Impact

Reimbursement: May lead to reduced reimbursement due to lack of specificity., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases accuracy of health records.

Mitigation Strategy

Specify laterality and type based on imaging and histopathology.

Impact

High risk of audit for using unspecified codes without supporting documentation.

Mitigation Strategy

Ensure all documentation specifies laterality and type of mass.

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 Pelvic Mass, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Pelvic Mass

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

Evaluation of a suspected ovarian cyst

Specialty: Gynecology

Required Elements

  • Patient history
  • Bimanual exam findings
  • Imaging results
  • Plan for follow-up or intervention

Example Documentation

Patient presents with pelvic pain. Bimanual exam reveals a 4 cm right adnexal mass. Ultrasound shows a simple cyst. Plan: Monitor with repeat ultrasound in 6 weeks.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Pelvic mass seen.
Good Documentation Example
4 cm right ovarian cyst, simple, anechoic, no internal flow (TVUS). CA-125 28 U/mL. Plan: Repeat ultrasound in 6 weeks.
Explanation
The good example specifies the size, location, and characteristics of the mass, as well as the follow-up plan.

Need help with ICD-10 coding for Pelvic Mass? Ask your questions below.

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