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ICD Hub / Diseases of the nervous system (G00–G99) / 8A00.26 - Parkinsonism due to structural lesions
ICD-11

ICD-11 Codes
for 8A00.26 - Parkinsonism due to structural lesions
Teodor Jurukovski January 1, 1970
Fact checked by: Teodor Jurukovski
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Diagnosing Parkinsonism from Structural Causes

The diagnosis of parkinsonism linked to structural lesions relies heavily on a combination of clinical assessment and advanced neuroimaging. Neurological examinations are performed to evaluate the characteristic motor symptoms. Crucially, neuroimaging techniques, particularly Magnetic Resonance Imaging (MRI), are essential for detecting and visualising the underlying structural lesion, such as a brain tumour or hematoma, that is causing the parkinsonian symptoms. This makes the ICD-11 code **8A00.26** applicable when such a lesion is confirmed.

Identifying the Origins of Structural Parkinsonism

The primary cause for **Parkinsonism due to structural lesions (ICD-11 code 8A00.26)** is the presence of a physical lesion within the brain. This can include, but is not limited to, brain tumours (such as meningiomas, which can sometimes be incidental findings), subdural hematomas, or other forms of acquired brain injury. Identifying the specific structural cause is paramount for diagnosis and treatment planning.

Coding and Documentation for Parkinsonism Due to Structural Lesions

Accurate medical coding is vital for healthcare administration and billing. The official ICD-11 code for this condition is **8A00.26**, with the description "Parkinsonism due to structural lesions." This specific code is used when parkinsonian symptoms are directly attributable to a demonstrable structural abnormality in the brain, such as a tumour or hematoma. When documenting patient encounters, healthcare providers should clearly state the presence of a structural lesion and its link to the observed parkinsonian symptoms to ensure correct application of this ICD-11 code. This ensures that the condition is properly reported for billing and statistical purposes.

Understanding Parkinsonism Due to Structural Lesions

Parkinsonism due to structural lesions is identified by the ICD-11 code **8A00.26**. This condition refers to a syndrome characterised by motor impairments that resemble Parkinson's disease, but are specifically caused by a demonstrable structural abnormality within the brain. Unlike idiopathic Parkinson's disease, the origin of this parkinsonism is linked to a physical lesion, such as a tumour or a hematoma, affecting the brain's motor pathways. This ICD-11 code is crucial for accurately documenting and billing for cases where neurological symptoms stem directly from identifiable brain damage.

Managing Parkinsonism Linked to Structural Lesions

Management strategies for parkinsonism due to structural lesions are often directed at both the underlying cause and the symptomatic presentation. If a treatable structural lesion, like a tumour or hematoma, is identified, surgical intervention or other specific treatments may be pursued to address the lesion itself. Concurrently, medications commonly used for Parkinson's disease may be prescribed to help manage motor symptoms like tremor and rigidity. The goal is to alleviate symptoms and, where possible, mitigate the effects of the structural damage.

Recognising the Signs of Structural Parkinsonism

The clinical presentation of parkinsonism due to structural lesions typically includes the four cardinal motor features: resting tremor, muscular rigidity, akinesia or bradykinesia (slowness of movement), and postural disturbances. Patients may experience difficulties initiating movements, a stooped posture, and a shuffling gait. The presence of these symptoms, when associated with a known structural cause, helps in distinguishing this form of secondary parkinsonism from other neurological conditions.

Frequently asked questions

What is the ICD-11 classification for Parkinsonism due to structural lesions?
ICD-11 code 8A00.26 classifies Parkinsonism occurring in the setting of a demonstrable structural lesion.
How is Parkinsonism due to structural lesions coded in ICD-11?
ICD-11 code 8A00.26 is used for Parkinsonism due to structural lesions. This code can be enhanced through post-coordination by adding stem and/or extension codes to provide additional detail.
What is the purpose of post-coordination for ICD-11 code 8A00.26?
Post-coordination for ICD-11 code 8A00.26 allows for the addition of stem and/or extension codes to form a cluster code, which adds detail to the condition.
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