Which patients with suspected thiamine deficiency should be referred for specialist assessment or further investigation?

The provided UK guidelines do not explicitly specify which patients with suspected thiamine deficiency should be referred for specialist assessment or further investigation for the thiamine deficiency itself NICE NG239,NICE CG100.

However, the guidelines do recommend offering parenteral thiamine to individuals with suspected Wernicke's encephalopathy NICE CG100. Additionally, patients with alcohol-related liver disease should be referred to a specialist experienced in its management to confirm a clinical diagnosis NICE CG100.