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ICD-10 Guide
ICD-10 CodesO22.01

O22.01

Billable

Varicose veins of lower extremity in pregnancy, first trimester

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/08/2025

Code Description

ICD-10 O22.01 is a billable code used to indicate a diagnosis of varicose veins of lower extremity in pregnancy, first trimester.

Key Diagnostic Point:

Varicose veins are a common condition during pregnancy, particularly in the lower extremities, due to increased blood volume and hormonal changes that affect vascular tone. In the first trimester, the development of varicose veins can be attributed to the physiological changes that occur as the body adapts to support the growing fetus. The increased pressure from the enlarging uterus on the pelvic veins can lead to venous stasis, contributing to the formation of varicosities. Symptoms may include aching, heaviness, and swelling in the legs, which can be exacerbated by prolonged standing or sitting. While varicose veins are often benign, they can lead to complications such as thrombosis, which may necessitate careful monitoring and management. Anticoagulation therapy may be considered in cases where there is a significant risk of venous thromboembolism, particularly if there are additional risk factors present. Proper documentation of the condition, its severity, and any associated symptoms is crucial for accurate coding and management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between varicose veins and other venous conditions.
  • Understanding the implications of anticoagulation therapy during pregnancy.
  • Documenting the severity and symptoms associated with varicose veins.
  • Identifying risk factors for thrombosis in pregnant patients.

Audit Risk Factors

  • Inadequate documentation of symptoms and severity.
  • Failure to document risk factors for thrombosis.
  • Incorrect coding of related conditions.
  • Lack of clarity in the treatment plan, especially regarding anticoagulation.

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Documentation should include the patient's history, physical examination findings, and any treatments provided. Specific attention should be given to the presence of symptoms and their impact on daily activities.

Common Clinical Scenarios

A pregnant patient presents with leg swelling and discomfort, leading to a diagnosis of varicose veins. Another scenario may involve a patient with a history of varicose veins experiencing exacerbation during the first trimester.

Billing Considerations

Coders must be aware of the potential for complications such as thrombosis and the need for anticoagulation therapy, which may alter the coding approach.

Maternal-Fetal Medicine

Documentation Requirements

High-risk pregnancies require thorough documentation of all comorbidities, including varicose veins and any associated complications.

Common Clinical Scenarios

A patient with a history of venous thromboembolism becomes pregnant and presents with varicose veins, necessitating close monitoring and potential anticoagulation.

Billing Considerations

High-risk coding requires careful attention to detail and understanding of the implications of varicose veins on maternal and fetal health.

Coding Guidelines

Inclusion Criteria

Use O22.01 When
  • According to the ICD
  • CM coding guidelines, obstetric codes should be used to describe conditions that arise during pregnancy
  • It is essential to document the trimester of pregnancy accurately, as this affects the coding
  • Additionally, any complications or treatments should be clearly documented to support the coding choice

Exclusion Criteria

Do NOT use O22.01 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

36475CPT Code

Endovenous laser treatment of varicose veins

Clinical Scenario

Used in cases where varicose veins require intervention due to severe symptoms.

Documentation Requirements

Documentation should include the indication for the procedure and any pre-operative assessments.

Specialty Considerations

Obstetricians should collaborate with vascular specialists when considering interventions.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of pregnancy-related conditions, including varicose veins. This specificity aids in better tracking of maternal health outcomes and resource allocation for pregnant patients.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of pregnancy-related conditions, including varicose veins. This specificity aids in better tracking of maternal health outcomes and resource allocation for pregnant patients.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of pregnancy-related conditions, including varicose veins. This specificity aids in better tracking of maternal health outcomes and resource allocation for pregnant patients.

Resources

Clinical References

  • •
    American College of Obstetricians and Gynecologists (ACOG)

Coding & Billing References

  • •
    American College of Obstetricians and Gynecologists (ACOG)

Frequently Asked Questions

What are the common treatments for varicose veins during pregnancy?

Common treatments include lifestyle modifications such as leg elevation, wearing compression stockings, and in some cases, medical interventions like anticoagulation therapy if there is a risk of thrombosis.