ICD-10-CM Billable Code

O11.3

Pre-existing hypertension with pre-eclampsia, third trimester

Clinical Classification Guidelines

Medical Intelligence & Overview

Pre-existing hypertension with pre-eclampsia during the third trimester is a serious pregnancy complication that affects both mother and baby. It involves elevated blood pressure that existed prior to pregnancy or in early pregnancy, combined with pre-eclampsia—a condition characterized by high blood pressure and signs of damage to other organ systems, most often the liver and kidneys. Recognizing and managing this condition is crucial to ensure the health and safety of both mother and child.

Causes & Symptoms

Clinical Causes: Chronic high blood pressure that predates pregnancy Genetic factors contributing to hypertension Pre-existing vascular conditions Obesity and lifestyles factors impacting blood pressure Presence of other medical conditions like diabetes or kidney disease

Key Symptoms: Severe or increasing high blood pressure readings Swelling of the face, hands, or feet Persistent headaches or visual disturbances Upper right abdominal pain Sudden weight gain unrelated to fluid intake Protein in urine (detected via urine tests) Nausea or vomiting in severe cases

Diagnostic & Treatment

Diagnosis Path: Diagnosis involves regular blood pressure monitoring, urine tests to check for protein, and blood tests to evaluate organ function. Healthcare providers also assess for signs of pre-eclampsia and monitor fetal well-being through ultrasound and other assessments. It's important to distinguish pre-existing hypertension from pregnancy-induced gestational hypertension or pre-eclampsia to determine the appropriate management plan.

Treatment Protocols: Management of pre-existing hypertension with pre-eclampsia includes close medical supervision, lifestyle modifications, and medication adjustments to control blood pressure levels. In some cases, hospitalization may be necessary for more intensive monitoring and care. The primary goal is to reduce risks of complications such as placental abruption, organ damage, or preterm labor, while ensuring fetal development continues safely until delivery. Delivery of the baby is often the definitive treatment if the condition worsens or reaches a severe stage.

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 O11.3 a billable ICD-10 code?
Yes, O11.3 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report O11.3?
Clinical documentation must specify the nature of Pre-existing hypertension with pre-eclampsia, third trimester and any associated comorbidities for accurate reporting.

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Related Diagnosis Codes

Clinical Meta Tags

trimester hypertension