82660:COPPER (Cu), SERUM
Author PeaceHealth Laboratories
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| Methodology: |
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) |
| Edit Date: |
11/24/2008 |
| Performed: |
Monday-Saturday |
| Released: |
24-72 hours after setup at PeaceHealth Laboratories’ reference lab. |
| CPT Code: |
82525-90 |
| Specimen Collection Details |
| Collection: |
One 6 mL royal blue top trace element serum tube (no additives). Also acceptable: One 6 mL royal blue top tube (EDTA) K2. |
| Handling: |
Allow to clot, centrifuge and separate serum from cells and immediately pour into either an ARUP Trace Element-Free transport tube, available from Client Services, or a royal blue trace element-no additive tube. Do not allow serum to remain on cells. Refrigerate. |
| Stability: |
If the specimen is drawn and stored in the appropriate container, the trace element values do not change with time. |
| Standard Volume: |
2 mL serum or plasma. |
| Minimum Volume: |
0.5 mL serum or plasma. |
| Transport: |
Refrigerated. |
| Rejection Criteria: |
Use of any tube other than specified; specimen not clotted or separated from cells; hemolysis. |
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Age |
Male |
Female |
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0 – 6 months |
20-70 µg/dL |
20-70 µg/dL |
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7 months – 18 years |
90-190 µg/dL |
90-190 µg/dL |
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19 years and older |
70-140 µg/dL |
80-155 µg/dL |
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| Serum/plasma copper may be elevated with infection, inflammation, stress, copper supplementation, oral contraceptives, and pregnancy. Concentrations are 2-3 times normal in the third trimester of pregnancy. Copper may be lowered with corticosteroids, zinc, malnutrition, and malabsorption. |