A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

ZINC, URINE

Message
If 24-hour urine is submitted, then request form must state 24-hour collection volume. Do not use preservative. Preservatives used for routine analysis may contain mercuric oxide (ie, Stabilur), which interferes with all metal testing. If both urinalysis and metal testing are ordered, please submit a separate urine specimen (containing no additive) for the metal testing.


Test Code
3434


CPT Codes
82570; 84630

Includes
Creatinine, urine; zinc, urine; zinc:creatinine ratio; zinc, urine (24-hour)


Preferred Specimen
Plastic urine container, no preservative


Minimum Volume
1.7 Ml


Instructions
If 24-hour urine is submitted, then request form must state 24-hour collection volume. Do not use preservative. Preservatives used for routine analysis may contain mercuric oxide (ie, Stabilur), which interferes with all metal testing. If both urinalysis and metal testing are ordered, please submit a separate urine specimen (containing no additive) for the metal testing.


Transport Temperature
Room Temperature


Specimen Stability
14 days


Methodology
Inductively-coupled plasma/mass spectrometry (ICP/MS)

Limitations
Zinc deficiency is usually accompanied by decreased urine zinc excretion. Zinc deficiency, however, may be in part due to excess urine losses, especially in cirrhosis, hemolytic anemias, sickle cell disease, alcoholism, diabetes, or chronic renal diseases.


Reference Range
Environmental exposure: 100-900 µg/g creatinine,1 150-1200 µg/24 hours




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.