Laboratory Evaluation Magnetic Resonance Spectroscopy
Electromyography Transcranial Magnetic Stimulation
Lumbar Puncture Motor Unit Number Estimate
Magnetic Resonance Imaging Muscle and Nerve Biopsy

Quantitative Muscle Testing

 

Laboratory Evaluation is highly important within the diagnostic evaluation for ALS. Since there is no blood test that confirms ALS, the diagnosis of ALS is made after illnesses that may mimic ALS are all excluded. Underlying metabolic, endocrine, and immunological abnormalities may present symptoms that are similar to ALS. Therefore, many blood tests may be ordered.