What sample is required?
The determination is made from a venous blood sample; in some cases, a random urine sample or a 24-hour urine sample.
Is some kind of prior preparation necessary?
For this test you do not need any special preparation.
What sample is required?
The determination is made from a venous blood sample; in some cases, a random urine sample or a 24-hour urine sample.
Is some kind of prior preparation necessary?
For this test you do not need any special preparation.
To determine if there are any problems with electrolytes or acid-base balance and to monitor treatments.
As part of a basic electrolyte profile or metabolic profile or if your doctor thinks there may be an electrolyte imbalance.
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