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ICD-10 Guide
ICD-10 CodesO22.23

O22.23

Billable

Superficial thrombophlebitis in pregnancy, third trimester

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

Code Description

ICD-10 O22.23 is a billable code used to indicate a diagnosis of superficial thrombophlebitis in pregnancy, third trimester.

Key Diagnostic Point:

Superficial thrombophlebitis is an inflammatory condition of the veins that can occur during pregnancy, particularly in the third trimester. This condition is characterized by the formation of a thrombus (blood clot) in a superficial vein, often accompanied by inflammation of the vessel wall. In pregnant women, the risk of venous complications increases due to physiological changes such as increased blood volume, hormonal changes, and pressure from the growing uterus on pelvic veins. Symptoms typically include localized pain, tenderness, and redness along the affected vein. While superficial thrombophlebitis is generally less serious than deep vein thrombosis (DVT), it can still lead to complications if not managed appropriately. Treatment often involves conservative measures such as compression stockings, elevation of the affected limb, and in some cases, anticoagulation therapy to prevent progression to more serious venous thromboembolism. Close monitoring and appropriate management are essential to ensure maternal and fetal safety during this critical period.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between superficial thrombophlebitis and deep vein thrombosis (DVT)
  • Understanding the implications of anticoagulation therapy during pregnancy
  • Documenting the severity and location of the thrombophlebitis
  • Recognizing associated risk factors such as obesity and immobility

Audit Risk Factors

  • Inadequate documentation of symptoms and clinical findings
  • Failure to specify the location of thrombophlebitis
  • Incorrect coding of associated conditions or complications
  • Lack of clarity regarding treatment plans and follow-up

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Detailed clinical notes on symptoms, treatment plans, and follow-up care are essential for accurate coding.

Common Clinical Scenarios

A pregnant patient presents with leg pain and swelling; ultrasound is performed to rule out DVT.

Billing Considerations

Consideration of the patient's obstetric history and any pre-existing conditions that may affect venous health.

Maternal-Fetal Medicine

Documentation Requirements

Thorough documentation of maternal and fetal health, including any high-risk factors that may complicate the pregnancy.

Common Clinical Scenarios

Management of a high-risk pregnancy with a history of venous thromboembolism.

Billing Considerations

Close monitoring of anticoagulation therapy and its effects on both mother and fetus.

Coding Guidelines

Inclusion Criteria

Use O22.23 When
  • According to ICD
  • 10 coding guidelines, accurate coding for O22
  • 23 requires documentation of the condition's specifics, including the trimester of pregnancy and any associated complications
  • Coders must ensure that the diagnosis is supported by clinical findings and treatment plans

Exclusion Criteria

Do NOT use O22.23 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99213CPT Code

Established patient office visit, level 3

Clinical Scenario

Used when a patient presents for follow-up of superficial thrombophlebitis during pregnancy.

Documentation Requirements

Document the patient's symptoms, examination findings, and treatment plan.

Specialty Considerations

Obstetricians should ensure that the visit is clearly linked to the management of the pregnancy.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of conditions like superficial thrombophlebitis, improving the accuracy of data collection and reimbursement processes. It emphasizes the importance of detailed documentation to support the diagnosis.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like superficial thrombophlebitis, improving the accuracy of data collection and reimbursement processes. It emphasizes the importance of detailed documentation to support the diagnosis.

Reimbursement & Billing Impact

reimbursement processes. It emphasizes the importance of detailed documentation to support the diagnosis.

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 symptoms of superficial thrombophlebitis in pregnancy?

Common symptoms include localized pain, tenderness, swelling, and redness along the affected vein. Patients may also experience warmth in the area and discomfort when moving the limb.