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ICD-10 Guide
ICD-10 CodesN83.12

N83.12

Billable

Corpus luteum cyst of left ovary

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

Code Description

ICD-10 N83.12 is a billable code used to indicate a diagnosis of corpus luteum cyst of left ovary.

Key Diagnostic Point:

A corpus luteum cyst is a fluid-filled sac that forms on the ovary after ovulation. It is a normal part of the menstrual cycle and typically resolves on its own. However, when a cyst forms on the left ovary, it can lead to various symptoms, including pelvic pain, irregular menstrual cycles, and, in some cases, complications such as rupture or hemorrhage. The corpus luteum is responsible for producing hormones, particularly progesterone, which is essential for maintaining early pregnancy. If pregnancy does not occur, the corpus luteum degenerates. In some cases, it can become enlarged and filled with fluid, leading to a cyst. While most corpus luteum cysts are benign and asymptomatic, they can sometimes be mistaken for other ovarian disorders, such as endometriosis or ovarian tumors. Proper diagnosis often involves imaging studies, such as ultrasound, to differentiate between these conditions. Management typically includes monitoring the cyst unless it causes significant symptoms or complications, in which case surgical intervention may be necessary.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation from other ovarian cysts and disorders
  • Potential for complications such as rupture or hemorrhage
  • Need for imaging studies for accurate diagnosis
  • Variability in clinical presentation and symptoms

Audit Risk Factors

  • Inadequate documentation of symptoms and clinical findings
  • Failure to specify the laterality of the cyst
  • Misdiagnosis or coding of related conditions like endometriosis
  • Lack of follow-up documentation for monitoring the cyst

Specialty Focus

Medical Specialties

Gynecology

Documentation Requirements

Detailed clinical notes on symptoms, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with pelvic pain, irregular menstruation, or incidental findings on imaging.

Billing Considerations

Ensure accurate documentation of the cyst's size, appearance, and any associated symptoms.

Radiology

Documentation Requirements

Clear imaging reports detailing the characteristics of the cyst.

Common Clinical Scenarios

Ultrasound evaluations of pelvic pain or routine gynecological exams.

Billing Considerations

Radiologists should provide differential diagnoses based on imaging findings.

Coding Guidelines

Inclusion Criteria

Use N83.12 When
  • According to ICD
  • 10 guidelines, N83
  • 12 should be used when a corpus luteum cyst is confirmed on the left ovary
  • It is important to document the clinical findings and any imaging results that support the diagnosis

Exclusion Criteria

Do NOT use N83.12 When
  • Exclusion criteria include other types of ovarian cysts or tumors that may require different coding

Related ICD-10 Codes

Related CPT Codes

76856CPT Code

Ultrasound, pelvic, transabdominal and transvaginal

Clinical Scenario

Used to evaluate the presence and characteristics of the corpus luteum cyst.

Documentation Requirements

Document the findings of the ultrasound, including size and appearance of the cyst.

Specialty Considerations

Gynecologists and radiologists should collaborate on findings to ensure accurate coding.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of ovarian conditions, including corpus luteum cysts. This specificity helps in better tracking of patient outcomes and resource allocation in healthcare settings.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of ovarian conditions, including corpus luteum cysts. This specificity helps in better tracking of patient outcomes and resource allocation in healthcare settings.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of ovarian conditions, including corpus luteum cysts. This specificity helps in better tracking of patient outcomes and resource allocation in healthcare settings.

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 is the typical management for a corpus luteum cyst?

Most corpus luteum cysts resolve on their own without treatment. However, if a cyst causes significant symptoms or complications, such as rupture, surgical intervention may be necessary.