Manganese, Serum

Test Code
951

CPT Codes
83785

Preferred Specimen
2 mL serum collected in a no additive (royal blue-top) tube

Minimum Volume
0.7 mL

Other Acceptable Specimens
Plasma collected in: EDTA (royal blue-top) tube or sodium heparin (royal blue-top) tube

Instructions
Carefully clean skin prior to venipuncture. Avoid hemolysis. Avoid worksite collection.
Serum: Blood may be drawn into royal blue-top evacuated tube without additive, allow to clot and centrifuge within 4 hours of collection. Pour off plasma/serum into an acid-washed metal-free tube for transportation. Use powderless gloves.
Plasma: Follow the above instructions except that the sample does not go through the clotting process.

Transport Container
Acid-washed, metal-free vial

Transport Temperature
Refrigerated (cold packs)

Specimen Stability
Room temperature: 7 days
Refrigerated: 30 days
Frozen: 60 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Sodium heparin lead-free (tan-top) tube

Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Set up: Wed, Fri; Report available: 2-6 days

Reference Range
<1.2 mcg/L

Clinical Significance
Manganese deficiency produces growth disorders, alters skeletal and cartilage formation, and impairs reproduction. Industrial workers absorb manganese mainly through the lungs.

Performing Laboratory
Quest Diagnostics Nichols Institute Valencia
27072 Tourney Road
Valencia, CA 91355-5386



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.