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ICD Hub / Diseases of the circulatory system (I00–I99) / BA00 - Essential hypertension
ICD-11

ICD-11 Codes
for BA00 - Essential hypertension
Teodor Jurukovski January 1, 1970
Fact checked by: Teodor Jurukovski
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Recognising Essential Hypertension: Other Names and Terms

Essential hypertension, identified by the ICD-11 code BA00, is also commonly referred to as primary hypertension or idiopathic hypertension. This condition is widely understood by patients as high blood pressure.

Understanding Essential Hypertension (ICD-11 Code BA00)

Essential hypertension (ICD-11 code BA00) is a medical condition characterised by persistently elevated blood pressure without an identifiable secondary cause. It represents the vast majority of hypertension cases. This sustained increase in arterial pressure can lead to significant health complications over time if not managed effectively.

Origins and Contributing Factors

The precise cause of essential hypertension remains unknown, but it is understood to result from a complex interplay of genetic predisposition and environmental influences. Key risk factors include a family history of high blood pressure, advancing age, a diet high in sodium, obesity, excessive alcohol consumption, and a sedentary lifestyle. Other contributing elements may involve stress and certain sleep disturbances.

Diagnostic Approaches

The diagnosis of essential hypertension is typically made when blood pressure readings are consistently above normal levels, and no underlying medical condition or medication side effect can be identified as the cause. Healthcare providers establish the diagnosis through repeated blood pressure measurements over time. Initial assessments may include a review of medical history and lifestyle factors to rule out secondary causes of hypertension. Further investigations might be conducted to assess for organ damage or other related health issues.

Management Strategies

Effective management of essential hypertension (BA00) often involves a multi-faceted approach. Lifestyle modifications are fundamental and include adopting a heart-healthy diet low in sodium, engaging in regular physical activity, maintaining a healthy weight, limiting alcohol intake, and ceasing tobacco use. Pharmacological treatment may be necessary, with various classes of antihypertensive medications available to help lower blood pressure and reduce the risk of complications.

Essential Hypertension: ICD-11 Coding and Documentation

For accurate medical billing and record-keeping, the ICD-11 code BA00 is used for Essential hypertension. This code signifies primary hypertension where no secondary cause is identified. When documenting, using terms such as 'essential (primary) hypertension' or 'idiopathic hypertension' is appropriate. For specific presentations, post-coordination with other codes may be necessary, for example, to denote hypertensive crisis (BA03). The ICD-11 code for essential hypertension, BA00, is a key code for reporting hypertensive diseases.

Frequently asked questions

What is the ICD-11 classification meaning of Essential hypertension (BA00)?
Essential hypertension is defined in ICD-11 as high blood pressure for which a secondary cause cannot be found, representing the majority of hypertension cases.
How does ICD-11 distinguish between specified and unspecified categories for Essential hypertension?
ICD-11 includes specific codes for combined diastolic and systolic hypertension (BA00.0), isolated diastolic hypertension (BA00.1), and isolated systolic hypertension (BA00.2). The unspecified category (BA00.Z) is used when the specific type is not documented.
How is Essential hypertension (BA00) coded in relation to other conditions in ICD-11?
ICD-11 supports post-coordination, allowing Essential hypertension (BA00) to be coded alongside related conditions such as Hypertensive crisis (BA03) when documented.
Where is Essential hypertension (BA00) located within the ICD-11 classification system?
Essential hypertension is classified under Chapter 11, Diseases of the circulatory system, with codes starting with BA.
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