CA

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CA

The two-character ISO 3166 country code for CANADA.

CA

1. ISO 3166-1 alpha-2 code for Canada. This is the code used in international transactions to and from Canadian bank accounts.

2. ISO 3166-2 geocode for Canada. This is used as an international standard for shipping to Canada. Each province and territory has its own code with the prefix "CA." For example, the code for the Territory of Nunavut is ISO 3166-2:CA-NU.
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The least expensive assay of bone resorption is a fasting urinary calcium test performed on a morning sample and corrected for creatinine excretion.
Kohlmeier recommends a basic battery of tests: a serum calcium measurement looking for primary, secondary, or tertiary hyperparathyroidism; a 24-hour urine calcium test to home in on hypercalciuria, kidney stones, or hyperparathyroidism; a liver enzyme test; a TSH level test to identify overt or subclinical hyperthyroidism; and serum creatinine and blood urea nitrogen tests to detect renal insufficiency.
Because CTs are already widely available and connecting one to electrocardiogram equipment is not difficult, coronary calcium tests from this combination might be significantly cheaper than tests with EBCT, Carr says.