Zinc
Test Mnemonic
ZINC
CPT Codes
- 84630 - QTY (1)
LOINC ®
5763-8
Aliases
- Plasma Zinc
- Zn
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Plasma | EDTA (Royal blue) | Refrigerated | Do not allow specimen to come into contact with polystyrene, glass, metal or rubber. Centrifuge and transfer plasma to a polypropylene tube. Do not allow plasma to remain on red cells. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 30 Days |
| Refrigerated | 30 Days |
| Frozen | 30 Days |
Days Performed
Mon-Fri, exclud Cleveland Clinic observed holidays
Turnaround Time
1 - 7 days
Methodology
| Name | Description |
|---|---|
| Inductively Coupled Plasma / Mass Spectrometry (ICP-MS) |
Reference Range
| Zinc | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 60-120 | ug/dL |
Special Info
Do not allow specimen to come into contact with polystyrene, glass, metal or rubber. Royal/Navy blood collection tubes are specifically rated for trace element collection.
Clinical Info
Evaluation of zinc status. TPN monitoring
Clinical Limitation
Hemolysis can falsely elevate zinc concentrations in serum or plasma. Grossly hemolyzed samples will be rejected.