ICD-10-CM Billable Code

O21.2

Late vomiting of pregnancy

Clinical Classification Guidelines

Inclusion Terms

  • Excessive vomiting starting after 20 completed weeks of gestation

Medical Intelligence & Overview

Late vomiting of pregnancy refers to significant episodes of vomiting occurring after the 20th week of gestation. Typically, nausea and vomiting are common in early pregnancy, but when these symptoms persist or arise later, especially beyond mid-pregnancy, they are classified under late vomiting of pregnancy. This condition can impact the well-being of both mother and baby, making awareness and understanding vital. Despite its concerns, late vomiting often differs from early pregnancy sickness and can require specific attention for proper management.

Causes & Symptoms

Clinical Causes: Hormonal fluctuations, particularly increased levels of human chorionic gonadotropin (hCG) or other pregnancy hormones Gastrointestinal sensitivity or increased reflux during pregnancy Stress or psychological factors influencing gastrointestinal function Pre-existing gastrointestinal conditions that may be exacerbated during pregnancy Infections or other illnesses occurring during later stages of pregnancy Less commonly, other pregnancy complications like pre-eclampsia can be associated

Key Symptoms: Persistent or severe vomiting occurring after 20 weeks of pregnancy Dehydration due to fluid loss from vomiting Electrolyte imbalances such as low potassium or sodium levels Unintended weight loss or failure to gain weight as expected during pregnancy Signs of nutritional deficiencies Potential discomfort or distress related to electrolyte imbalance, such as muscle weakness or dizziness

Diagnostic & Treatment

Diagnosis Path: Diagnosis involves a comprehensive clinical assessment, including a detailed history and physical examination. Healthcare providers may perform laboratory tests to evaluate dehydration, electrolyte levels, and rule out other underlying causes. Ultrasound imaging might be used to monitor fetal development and exclude other pregnancy-related issues. Tests for infections or pre-eclampsia could also be part of the diagnostic process. The goal is to confirm that vomiting is primarily related to pregnancy late in gestation and not other medical conditions.

Treatment Protocols: Managing late vomiting of pregnancy primarily aims to alleviate symptoms, ensure adequate hydration, and maintain nutritional status. Common approaches include: - Hydration therapy, which may involve oral rehydration solutions or intravenous fluids if dehydration is severe - Nutritional support, such as small, frequent meals and avoiding triggers that worsen nausea - Medications prescribed by healthcare providers to reduce nausea and vomiting, if necessary - Monitoring and treating electrolyte imbalances - Addressing any underlying or contributing factors, such as infections or other medical conditions In some cases, hospitalization may be needed if dehydration or nutritional deficiencies become severe. Close follow-up with healthcare providers is essential to ensure both maternal and fetal health are maintained throughout this stage of pregnancy.

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is O21.2 a billable ICD-10 code?
Yes, O21.2 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report O21.2?
Clinical documentation must specify the nature of Late vomiting of pregnancy and any associated comorbidities for accurate reporting.

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Related Diagnosis Codes

Clinical Meta Tags

pregnancy vomiting