The Brazilian Society of Clinical Pathology/Laboratory Medicine (SBPC/ML) and the Brazilian Society of Endocrinology and Metabolism (SBEM) recommend a new template for laboratory reports of 25-hydroxyvitamin D: deficiency < 20 ng/ml; normal values for the general population between 20-60 ng/ml; ideal values for at-risk population between 30-60 ng/ml; e risk of toxicity > 100 ng/ml.
Key words:
vitamin D; reference values; laboratory test
| Template of laboratory report for 25-hydroxyvitamin D |
|---|
| Deficient < 20 ng/ml |
| Normal for general population 20-60 ng/ml |
| Ideal for population at risk* 30-60 ng/ml |
| Risk of toxicity > 100 ng/ml |
| * at-risk population encompasses elderly (over 65 years) people, pregnant women, individuals with a history of frequent falls and fractures, after bariatric surgery, people taking medications that interfere with vitamin D metabolism, osteometabolic diseases (osteoporosis, osteomalacia, osteogenesis imperfecta, primary and secondary hyperparathyroidism), sarcopenia, type 1 diabetes mellitus, chronic kidney disease, hepatic failure, anorexia nervosa, malabsorption syndrome and cancer. |
