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Functional Motor Function Assessment (Brain)

Published: August 9, 2026Updated: August 16, 2026

This test evaluates how well your brain controls voluntary movements, such as reaching, grasping, or coordination, often used in neurological assessments.

Quick summary

["Helps doctors check brain function related to movement control."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
80583-8
Short code
fMR Brain for motor func
Synonyms
fMR Brain for motor func
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
mr-functional
CPT
86430
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What This Test Measures

This assessment evaluates your ability to perform purposeful, coordinated movements. It may include tasks like finger tapping, hand grip strength, or tracking objects with your eyes and hands. Observations are made during a physical exam or specialized testing to assess motor planning, execution, and coordination.

How the Test Is Conducted

A healthcare provider will guide you through a series of movements and tasks. You may be asked to perform simple actions like opening jars, writing, or following a moving target. The provider will note any delays, errors, or difficulty in completing these tasks.

Why It’s Done

Doctors use this test to diagnose or monitor conditions affecting brain motor control, such as stroke, brain injuries, Parkinson’s disease, or other neurological disorders. It may also be part of a broader evaluation for developmental delays or cognitive impairments.

Common Conditions Affecting Results

Abnormal results could indicate problems with motor planning, coordination, or muscle control. Conditions like cerebral palsy, multiple sclerosis, or traumatic brain injury may show up on this assessment.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is not a blood or urine test but rather a clinical evaluation. It helps doctors understand how well your brain is directing movement and can guide treatment decisions for neurological conditions.

Short name

Brain Motor Function Test

Frequently asked questions

What does a ‘normal’ result mean on this test?
A ‘normal’ result means your brain appears to control movements effectively, with no obvious delays or difficulties in coordination, strength, or purposeful actions. However, this is relative to your age, health, and specific medical history.
How long does it take to get results from this test?
Results are typically provided immediately during the exam by your healthcare provider. No formal lab report is generated, but they may refer you to further testing if needed.
Can I prepare for this test?
No special preparation is needed. Wear comfortable clothing and bring any medications you’re currently taking, as your provider may discuss them during the evaluation.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy