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ICD-10 Guide
ICD-10 CodesO22.30

O22.30

Billable

Deep phlebothrombosis in pregnancy, unspecified trimester

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

Code Description

ICD-10 O22.30 is a billable code used to indicate a diagnosis of deep phlebothrombosis in pregnancy, unspecified trimester.

Key Diagnostic Point:

Deep phlebothrombosis (DVT) in pregnancy is a serious condition characterized by the formation of a blood clot in a deep vein, typically in the legs. This condition can occur at any stage of pregnancy and is associated with increased venous stasis due to hormonal changes, increased blood volume, and pressure from the growing uterus. Symptoms may include swelling, pain, and tenderness in the affected limb, but some patients may be asymptomatic. DVT poses significant risks, including pulmonary embolism, which can be life-threatening. Management often involves anticoagulation therapy to prevent clot progression and complications. The diagnosis requires careful clinical assessment and may involve imaging studies such as ultrasound. Accurate coding is essential for appropriate treatment and reimbursement, as well as for tracking maternal morbidity associated with venous thromboembolism during pregnancy.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and symptoms of DVT.
  • Need for imaging studies to confirm diagnosis.
  • Differentiation from other venous conditions such as superficial thrombophlebitis.
  • Management may vary based on trimester and patient history.

Audit Risk Factors

  • Inadequate documentation of symptoms and clinical findings.
  • Failure to document anticoagulation therapy and monitoring.
  • Misclassification of DVT severity or related conditions.
  • Inconsistent coding of trimester when DVT occurs.

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Detailed documentation of patient history, symptoms, and treatment plans is essential. Include any imaging results and anticoagulation management.

Common Clinical Scenarios

A pregnant patient presents with unilateral leg swelling and pain; ultrasound confirms DVT. Another scenario includes a patient with a history of DVT requiring anticoagulation management during pregnancy.

Billing Considerations

Consider the patient's obstetric history, risk factors for thrombosis, and any contraindications for anticoagulation.

Maternal-Fetal Medicine

Documentation Requirements

Comprehensive documentation of maternal and fetal health, including any complications related to DVT and management strategies.

Common Clinical Scenarios

A high-risk pregnancy with a previous history of DVT requiring close monitoring and anticoagulation therapy.

Billing Considerations

Focus on the implications of DVT on fetal health and the need for multidisciplinary management.

Coding Guidelines

Inclusion Criteria

Use O22.30 When
  • Follow the official ICD
  • CM guidelines for coding obstetric conditions, ensuring accurate documentation of trimester and any associated complications
  • Use additional codes to specify the type of anticoagulation therapy if applicable

Exclusion Criteria

Do NOT use O22.30 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

76937CPT Code

Ultrasound, Doppler, extremity, bilateral

Clinical Scenario

Used to confirm DVT in a pregnant patient presenting with leg swelling.

Documentation Requirements

Document the indication for the ultrasound and findings.

Specialty Considerations

Ensure that the ultrasound is performed by a qualified provider and that results are documented in the patient's record.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of obstetric conditions, including DVT, which enhances data accuracy and improves patient care tracking. It also facilitates better reimbursement processes for healthcare providers.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of obstetric conditions, including DVT, which enhances data accuracy and improves patient care tracking. It also facilitates better reimbursement processes for healthcare providers.

Reimbursement & Billing Impact

reimbursement processes for healthcare providers.

Resources

Clinical References

  • •
    ACOG Practice Bulletin on Venous Thromboembolism

Coding & Billing References

  • •
    ACOG Practice Bulletin on Venous Thromboembolism

Frequently Asked Questions

What are the common risk factors for DVT in pregnancy?

Common risk factors include a history of DVT, obesity, advanced maternal age, prolonged immobility, and certain medical conditions such as thrombophilia.