ICD-11 Codes
for 8A00.0Z - Parkinson disease, unspecified

Teodor Jurukovski January 1, 1970

Fact checked by: Teodor Jurukovski

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Understanding Parkinson Disease, Unspecified (ICD-11 Code 8A00.0Z)

Parkinson disease, unspecified, identified by the ICD-11 code 8A00.0Z, is a neurological condition affecting movement. It is characterised by a progressive degeneration of nerve cells in the brain, specifically those that produce dopamine, a crucial neurotransmitter. This deficiency leads to a range of motor symptoms that can significantly impact an individual's quality of life. While the exact cause of this unspecified form is not determined, it falls under the broader category of Parkinsonism.

Recognizing the Signs of Parkinson Disease, Unspecified

The presentation of Parkinson disease, unspecified (ICD-11 code 8A00.0Z), typically involves a combination of motor symptoms. These can include:

• Bradykinesia: Slowness of movement, making everyday tasks challenging.
• Rigidity: Stiffness in the limbs and trunk, which can cause discomfort and limit range of motion.
• Resting Tremor: Involuntary shaking that occurs when the limb is at rest, often starting in one hand or foot.
• Postural Instability: Impaired balance and coordination, increasing the risk of falls.

Other non-motor symptoms may also be present, though they are not the primary focus for this specific coding.

Factors Associated with Parkinson Disease, Unspecified

The etiology of Parkinson disease, unspecified (ICD-11 code 8A00.0Z), is not definitively identified. However, it is understood to be a complex interplay of genetic predisposition and environmental factors. While specific triggers for the unspecified form remain elusive, general risk factors for Parkinsonism include advancing age and a family history of the condition. Research continues to explore potential links to environmental exposures, though these are not specified for the 8A00.0Z code.

Diagnosing Parkinson Disease, Unspecified (ICD-11 8A00.0Z)

The diagnosis of Parkinson disease, unspecified (ICD-11 code 8A00.0Z), is primarily a clinical one, based on the presence of characteristic motor symptoms and a neurological examination. There is no single definitive test. Medical professionals will assess the patient's medical history, observe their movement, and may use imaging techniques or response to medication to support the diagnosis. The absence of a specific identified cause leads to the classification as 'unspecified'.

Coding and Documentation for Parkinson Disease, Unspecified (8A00.0Z)

For accurate medical billing and record-keeping, the ICD-11 code 8A00.0Z is used to represent Parkinson disease, unspecified. This code is essential for documenting the condition when a specific subtype or cause has not been determined or documented. Healthcare providers should ensure that clinical documentation clearly supports the diagnosis of Parkinsonism, even if the specific etiology is not identified, to justify the use of this unspecified code. This ICD-11 code for Parkinson disease, unspecified is reportable and billable when applicable to patient encounters.

Alternative Names for Parkinson Disease, Unspecified

Parkinson disease, unspecified, coded as ICD-11 8A00.0Z, may also be referred to by several other terms in clinical practice and documentation. These include:

• Parkinson disease NOS
• Parkinson, NOS
• Idiopathic Parkinson disease
• Primary Parkinson disease
• Parkinson's