Category
SPECIAL CHEMISTRY.
Sub Category
TRACE ELEMENTS.
Synonyms/Aliases
HEAVY METAL.
Abbreviations
ZN; ZN2+
Type
INDIVIDUAL TEST.
5 DAYS
RESULTS READY/ REPORTED IN 5 WORKING DAYS.
Method
INDUCTIVELY COUPLED PLASMA/MASS-SPECTROMETRY (ICP/MS).
Temp
AMBIENT, REFRIGERATED OR FROZEN.
Setup
BATCHED.
Components Parameters
N/A.
PRE-ANALYTIC CONSIDERATIONS
Test Ordering Instructions
FILL OUT TEST REQUEST FORM FULLY & LEGIBLY.
Patient preparation
N/A.
Sample type
SERUM.
Container/ preservative
NO ADDITIVE (ROYAL BLUE TOP) VACUTAINER PREFERRED.
Sample volume
2 ML SERUM.
Rejection criteria
LABELING ISSUE (UNLABELED/ MISLABELED); MISSING REQUEST FORM; MISMATCH BETWEEN REQUEST FORM & SAMPLE DETAILS; MISSING AGE/ GENDER; WRONG SAMPLE TYPE; INSUFFICIENT SAMPLE. SAMPLES COLLECTED IN OTHER TUBES.
Other Instructions
ROYAL BLUE VACUTAINERS ARE ACID WASHED VIALS FOR TRACE ELEMENTS/ HEAVY METAL COLLECTION. CENTRIFUGE WITHIN 1-2 HOURS OF COLLECTION AND ALIQUOT SERUM. THE SEPARATION VIAL MUST BE LABELED WITH AT LEAST 2 PATIENT IDENTIFIERS AND THE SAMPLE TYPE.
Reference intervals
AGE & GENDER APPROPRIATE VALUES ARE PROVIDED ON THE REPORT.
Clinical Utility
EVALUATION OF SUSPECTED ZINC DEFICIENCY, EXCESS OR TOXICITY. TO DETECT AND MONITOR INDUSTRIAL, DIETARY AND ACCIDENTAL EXPOSURE TO ZINC.
Test Limitations/ Confounders
LEVELS ARE INFLUENCED BY INFLAMMATION, INFECTION, COPPER SUPPLEMENTS, PREGNANCY, CONTRACEPTIVE USE, RADIOLOGICAL CONTRAST ADMINISTRATION WITHIN PRECEDING 96 HOURS. HEMOLYSIS CAN FALSELY INCREASE VALUES.