Calcium, total (u) (Urine (u))

Testcode:	E_CA24U
Specimens:	10 ml Urine (u)
Preanalytics/Notes:	24-hour urine collection (specify collection volume and time). At the end of the collection period, acidify the urine sample (10 ml) with 4–5 drops of 20% hydrochloric acid and send it frozen.
Method:	Enzymatic assay
Dimension:	mmol/24h
Set-up:	Mon Tue Wed Thu Fri Sat Sun
Duration:	3 days
Indication/Significance:	Bone metabolism diseases Endocrinological clinical pictures, e.g. hyper- or hypoparathyroidism, hyper- or hypothyrosis Diagnosis and follow up in the case of renal diseases, e.g. renal insufficiency, nephroliths Follow up in the case of neoplasias
Interpretation:	Increased: Primary more… Increased: Primary hyperparathyroidism, neoplastic syndromes, hypoadrenalism (reduced calcium in the urine), hypofunction of the anterior lobe of the hypophysis, osteolytic skeletal alterations, malignant metastases (reduced calcium in the urine), vitamin D and A overdose, familial hypocalciuric hypercalcaemia (reduced calcium in the urine), hyperthyrosis, milk-alkali syndrome, thiazide medication (reduced calcium in the urine), sarcoidosis Decreased: Calcium absorption disorder (vitamin D deficiency, malabsorption syndrome), hypoparathyroidism, pseudohypoparathyroidism, malnutrition, kidney damage, liver cirrhosis, acute pancreatitis close
Further tests:	Parathormone, phosphate

male
	< 7,5 mmol/24h

female
	< 6,2 mmol/24h