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'Musculoskeletal Diseases' 

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Anti-dsDNA (Double-Stranded) Antibiodies, EIA  *Build Your Own Panel Eligible [?]
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Antinuclear Antibodies (ANA) , IFA  *Build Your Own Panel Eligible [?]
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Antinuclear Antibodies (ANA) Direct   *Build Your Own Panel Eligible [?]
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C-Telopeptide, Serum  *Build Your Own Panel Eligible [?]
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Calcium, Ionized, Serum  *Build Your Own Panel Eligible [?]
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Calcium, Ionized, Serum - (QUEST DIAGNOSTICS)

Description: The ionized calcium is determined by an ion selective electrode methodology. The result that is generated is pH adjusted. The result is empirically based on a measured pH and ionized calcium concentration normalized to a pH of 7.40. This calculation compensates for in vitro changes in pH due to loss of CO2 through specimen handling. Ionized calcium represents the true "bioavailable" calcium in the circulation. In situations where the total calcium is normal but does not fit the clinical picture, e.g., hyperparathyroidism, a determination of the ionized calcium will, many times, show an elevation in the "bioavailable" calcium component. This may be due to alterations in protein concentrations, especially albumin, that binds most of the calcium in the circulation.

Significant deviations from the normal range may require further evaluation by your physician.

Includes: Calcium, Ionized

Alternate Name(s):
Ca++, Ionized, Serum;
Calcium Filterable, Serum;
Calcium Free, Serum;
Calcium Unbound, Serum;
Ionized Calcium, Serum

Categories: General Wellness, Hormones and Metabolism, Musculoskeletal Diseases, Kidney Diseases

Calcium, Ionized, Serum - (LABCORP)

Description: This test is used to evaluate nonbound calcium, calcium metabolism, physiologically active calcium fraction, hyperparathyroidism, ectopic hyperparathyroidism. This test is occasionally useful when hypercalcemia coexists with abnormal protein state such as myeloma. Also useful in assessing active calcium fraction in hypoproteinemia and acidosis when calcium is low.

Includes: Calcium, Ionized, Serum is also known as Ca++, Ionized, Serum; Calcium Filterable, Serum; Calcium Free, Serum; Calcium Unbound, Serum; Ionized Calcium, Serum

Categories: General Wellness, Hormones and Metabolism, Musculoskeletal Diseases, Kidney Diseases

Calcium, Serum  *Build Your Own Panel Eligible [?]
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Creatinine, Serum  *Build Your Own Panel Eligible [?]
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Phosphorus, Serum  *Build Your Own Panel Eligible [?]
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Potassium, Serum  *Build Your Own Panel Eligible [?]
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Rheumatoid Arthritis (RA) Factor   *Build Your Own Panel Eligible [?]
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Sedimentation Rate, Modified Westergren   *Build Your Own Panel Eligible [?]
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Uric Acid, Serum (Gout Test)  *Build Your Own Panel Eligible [?]
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