Endocrine Abstracts

Assay interference with various laboratory measurements has been reported in the presence of paraproteins. We report a case of a 57 year old woman, who was referred to endocrine clinic after being found to have elevated total vitamin D levels of 369 and 336 nmol/l (normal 50–100 nmol/l). She was not known to be on any Vitamin D supplements that could account for such high levels. Around the time of referral, she was also diagnosed with IgM paraproteinaemia. Therefore, pos...

Assay interference with various laboratory measurements has been reported in the presence of paraproteins. We report a case of a 57 year old woman, who was referred to endocrine clinic after being found to have elevated total vitamin D levels of 369 and 336 nmol/l (normal 50–100 nmol/l). She was not known to be on any Vitamin D supplements that could account for such high levels. Around the time of referral, she was also diagnosed with IgM paraproteinaemia. Therefore, pos...