Zinc | Test Detail | Quest Diagnostics

Zinc

Test Code

945

CPT Code(s)

84630

CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.

Test Code

945

CPT Code(s)

84630

CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.

Ordering Restrictions may apply. Please provide SERVICE AREA INFORMATION to find available tests you can order.

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

In-home collection may be available in your area for purchase through Quest Mobile.

Clinical Significance

Zinc - Zinc is an essential element involved in a myriad of enzyme systems including wound healing, immune function, and fetal development. Zinc measurements are used to detect and monitor industrial, dietary, and accidental exposure to zinc. Also, zinc measurements may be used to evaluate health and monitor response to treatment.

Test Resources

None found for this test
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Test Details

Methodology

Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

Assay Category

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

Reference Range(s)

≤5 Months	26-141 mcg/dL
6-11 Months	29-131 mcg/dL
12-23 Months	31-120 mcg/dL
2-3 Years	29-115 mcg/dL
4-5 Years	48-119 mcg/dL
6-9 Years	48-129 mcg/dL
10-13 Years	25-148 mcg/dL
14-17 Years	46-130 mcg/dL
Adult	60-130 mcg/dL

Alternative Name(s)

ZN, Plasma

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

Assay Category

Reference Range(s)

≤5 Months	26-141 mcg/dL
6-11 Months	29-131 mcg/dL
12-23 Months	31-120 mcg/dL
2-3 Years	29-115 mcg/dL
4-5 Years	48-119 mcg/dL
6-9 Years	48-129 mcg/dL
10-13 Years	25-148 mcg/dL
14-17 Years	46-130 mcg/dL
Adult	60-130 mcg/dL

Alternative Name(s)

ZN, Plasma

LOINC® Codes, Performing Laboratory

Service Area must be determined

Preferred Specimen(s)

2 mL plasma collected in an EDTA or sodium heparin (royal blue-top) tube

Alternative Specimen(s)

Serum collected in: No additive (royal blue-top) tube

Minimum Volume

0.7 mL

Collection Instructions

Separate plasma or serum from cells within 2 hours. Transfer separated plasma/serum to a plastic acid-washed or metal-free vial.

Transport Container

Acid-washed or metal-free vial

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 5 days
Refrigerated: 10 days
Frozen: 30 days

Reject Criteria

Hemolysis • Plasma/serum not separated from cells within 2 hours • Specimens submitted in non-trace element or non-acid washed container

Setup Schedule

Service Area must be determined

Preferred Specimen(s)

2 mL plasma collected in an EDTA or sodium heparin (royal blue-top) tube

Alternative Specimen(s)

Serum collected in: No additive (royal blue-top) tube

Minimum Volume

0.7 mL

Collection Instructions

Separate plasma or serum from cells within 2 hours. Transfer separated plasma/serum to a plastic acid-washed or metal-free vial.

Transport Container

Acid-washed or metal-free vial

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 5 days
Refrigerated: 10 days
Frozen: 30 days

Reject Criteria

Hemolysis • Plasma/serum not separated from cells within 2 hours • Specimens submitted in non-trace element or non-acid washed container

Setup Schedule

Service Area must be determined

Ordering Restrictions may apply. Please provide SERVICE AREA INFORMATION to find available tests you can order.

Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.

In-home collection may be available in your area for purchase through Quest Mobile.

Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

The tests listed by specialty and category are a select group of tests offered. For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of Services.