Peripheral neuropathy Labs

Peripheral neuropathy labs

 

AXONAL NEUROPATHY

R/O Systemic, Toxin, Drug

Blood sugar

A1cHg

B-12

Methylmalonic acid / Homocysteine

VIT B-1

TSH/T4

UPEP

SPEP

ANA

RA

Anti Hu antibodies (in sensoryPN)

Sed rate

Urine heavy metal

Sjogren (anti-Ro, anti-La antibodies)

Hepatitis B & C

 

DEMYELINATING PN

UPEP / SPEP

Hepatitis B & C

Lumbar puncture

Anti MAG antibodies

Anti GM 1 antibodies in motor s/s

Charcot-Marie-Tooth disease

Nerve biopsy

 

 

Rapid onset: within 1 month

Toxin

Drugs

Chemotherapy

Arsenic

GBS sensory variant

Infection: HIV, Lyme, Hepatitis C

Vasculitis

Porphyria

 

 

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