6 doctors weighed in:

What will show up in a blood test for peripheral neuropathy?

6 doctors weighed in
Dr. Ed Friedlander
Pathology
3 doctors agree

In brief: Maybe

If the peripheral neuropathy is due to diabetes, B12 deficiency, HIV infection, sjogren's, porphyria, hepatitis c, lupus , or lead or arsenic poisoning (any enemies?), an appropriate blood test is confirmatory.
Chemical exposures, the autoimmune and hereditary neuropathies, the late effects of alcoholism, and the mysterious cases (all too many) won't be detected. Good luck.

In brief: Maybe

If the peripheral neuropathy is due to diabetes, B12 deficiency, HIV infection, sjogren's, porphyria, hepatitis c, lupus , or lead or arsenic poisoning (any enemies?), an appropriate blood test is confirmatory.
Chemical exposures, the autoimmune and hereditary neuropathies, the late effects of alcoholism, and the mysterious cases (all too many) won't be detected. Good luck.
Dr. Ed Friedlander
Dr. Ed Friedlander
Thank
Dr. Payam Rafat
Podiatry
2 doctors agree

In brief: Many different tests

Numbness can occur from various reasons.
Some potential causes include vitamin deficiency, nerve damage, nerve compression, and alcohol over consumption, side effects of different medications, or as a result of different systemic medical conditions such as diabetes. Certain blood tests can help determine the underlying reason for the neuropathy and thus will aid in formulating a treatment plan.

In brief: Many different tests

Numbness can occur from various reasons.
Some potential causes include vitamin deficiency, nerve damage, nerve compression, and alcohol over consumption, side effects of different medications, or as a result of different systemic medical conditions such as diabetes. Certain blood tests can help determine the underlying reason for the neuropathy and thus will aid in formulating a treatment plan.
Dr. Payam Rafat
Dr. Payam Rafat
Thank
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