| CODE | TEST | CPT CODE | SPECIMEN REQUIREMENTS / REFERENCE RANGES |
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| 2463, BLOD0793 | PTH Intact (ICMA) + Calcium by Chemiluminometric Immunoassay * Includes Total Calcium **The Intact (ICMA) PTH is the recommended initial assay for the differential diagnosis of calcium-related abnormalities. |
83970 82310 |
2 mL serum (1.2 mL minimum). Overnight fasting is preferred. No gel barrier or SST tubes. Avoid hemolysis. Spin and separate serum immediately. Avoid FREEZE/THAW cycles. If specimen is sent frozen, THIS TEST REQUIRES ITS OWN FROZEN ALIQUOT. Stability: REFT - 48 hours Frozen - 7 days |
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