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v1.0.0
ICD-10 Guide
ICD-10 CodesN83.209

N83.209

Billable

Unspecified ovarian cyst, unspecified side

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/18/2025

Code Description

ICD-10 N83.209 is a billable code used to indicate a diagnosis of unspecified ovarian cyst, unspecified side.

Key Diagnostic Point:

An unspecified ovarian cyst refers to a fluid-filled sac that develops on an ovary, which may be functional or pathological in nature. These cysts can arise from various ovarian disorders, including follicular cysts, corpus luteum cysts, or endometriomas associated with endometriosis. While many ovarian cysts are benign and asymptomatic, they can sometimes lead to complications such as rupture, hemorrhage, or torsion. The diagnosis of an unspecified ovarian cyst typically involves imaging studies, such as ultrasound, which can help differentiate between types of cysts and assess their size and characteristics. In cases where the cyst is associated with endometriosis, it may be linked to pelvic pain, dysmenorrhea, or infertility. The management of ovarian cysts varies based on symptoms, size, and the patient's reproductive plans, ranging from observation to surgical intervention. Accurate coding is essential for proper treatment and reimbursement, especially when considering the potential complications and associated conditions like female genital prolapse or fistulas.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and symptoms
  • Differentiation between functional and pathological cysts
  • Potential for associated conditions (e.g., endometriosis, polyps)
  • Need for imaging studies for accurate diagnosis

Audit Risk Factors

  • Inadequate documentation of symptoms and clinical findings
  • Failure to specify laterality when applicable
  • Misclassification of cyst type (functional vs. pathological)
  • Lack of imaging results in the medical record

Specialty Focus

Medical Specialties

Gynecology

Documentation Requirements

Detailed patient history, imaging results, and treatment plans must be documented.

Common Clinical Scenarios

Management of ovarian cysts during routine gynecological exams, evaluation of pelvic pain, and pre-operative assessments.

Billing Considerations

Ensure that the type of cyst and any associated conditions are clearly documented to support the diagnosis.

Radiology

Documentation Requirements

Clear imaging reports indicating the characteristics of the cyst and any recommendations for follow-up.

Common Clinical Scenarios

Ultrasound evaluations of pelvic masses and follow-up imaging for known cysts.

Billing Considerations

Radiologists should provide detailed descriptions of cysts to aid in accurate coding.

Coding Guidelines

Inclusion Criteria

Use N83.209 When
  • According to ICD
  • 10 guidelines, N83
  • 209 should be used when the specific type of ovarian cyst is not documented
  • Coders should ensure that the medical record supports the diagnosis and that any associated conditions are also coded appropriately

Exclusion Criteria

Do NOT use N83.209 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

58661CPT Code

Laparoscopy, surgical, with removal of ovarian cyst

Clinical Scenario

Used when surgical intervention is required for an ovarian cyst.

Documentation Requirements

Operative reports detailing the procedure and findings.

Specialty Considerations

Gynecologists should ensure that the diagnosis supports the need for surgery.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specificity in coding ovarian cysts, which can improve patient care and reimbursement accuracy. However, the use of unspecified codes like N83.209 may lead to challenges in capturing the full clinical picture.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specificity in coding ovarian cysts, which can improve patient care and reimbursement accuracy. However, the use of unspecified codes like N83.209 may lead to challenges in capturing the full clinical picture.

Reimbursement & Billing Impact

reimbursement accuracy. However, the use of unspecified codes like N83.209 may lead to challenges in capturing the full clinical picture.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What should I document to support the use of N83.209?

Document the patient's symptoms, imaging results, and any relevant history that supports the diagnosis of an unspecified ovarian cyst. Ensure that the medical record reflects the clinical rationale for the diagnosis.