Separator tubes. Specimens that are not separated from the red cells, or clot, within 6 hours. Specimens collected in containers other than specified. Specimens transported in container other than specified
Collection Comments
Allow Royal Blue Red Band tube to sit for 30 minutes to form clot. Spin for 10 minutes at 1100-1300 g in a swing bucket unit or 15 minutes in a fixed angle to separate cells from serum. Remember to properly label tube with patient name, DOB, test and collect date. Do not collect in orange top tube. Transfer 2 mL serum to an ARUP Trace Element (Metal Free) aliquot tube (ARUP supply #43116). (Minimum 0.5 mL) . Separate serum from cells ASAP or within 2 hours of collection. http://ltd.aruplab.com/Tests/Pub/0025037http://ltd.aruplab.com/Tests/Pdf/445
Serum cobalt levels can be used in the assessment of occupational exposure or toxic ingestion and is the preferred specimen type for evaluating metal ion release from metal-on-metal joint arthroplasty. See ARUP website for details. NOTE: Elevated results from noncertified trace element-free tubes may be due to contamination. Interpretation and Reference Range
CPT Codes
83018
LOINC Codes
NAME
LOINC
Order
Cobalt Level, Serum/Plasma
5627-5
Test Code (Outreach Synonym)
10437
Catalog Code
6570059915
Collection
Collect
Blood, Royal Blue (No additive) - Red band
Aliquot Containers - Lab/Outreach Use Only
Preferred Draw Volume
3 mL
Minimum Draw Volume
2 mL
Other Acceptable Containers
Royal blue (EDTA), or Royal blue (NaHep).
Unacceptable Conditions
Separator tubes. Specimens that are not separated from the red cells, or clot, within 6 hours. Specimens collected in containers other than specified. Specimens transported in container other than specified
Collection Comments
Allow Royal Blue Red Band tube to sit for 30 minutes to form clot. Spin for 10 minutes at 1100-1300 g in a swing bucket unit or 15 minutes in a fixed angle to separate cells from serum. Remember to properly label tube with patient name, DOB, test and collect date. Do not collect in orange top tube. Transfer 2 mL serum to an ARUP Trace Element (Metal Free) aliquot tube (ARUP supply #43116). (Minimum 0.5 mL) . Separate serum from cells ASAP or within 2 hours of collection. http://ltd.aruplab.com/Tests/Pub/0025037http://ltd.aruplab.com/Tests/Pdf/445
Serum cobalt levels can be used in the assessment of occupational exposure or toxic ingestion and is the preferred specimen type for evaluating metal ion release from metal-on-metal joint arthroplasty. See ARUP website for details. NOTE: Elevated results from noncertified trace element-free tubes may be due to contamination. Interpretation and Reference Range
