HEAVY METALS SCREEN 24 HR URINE
General Information
HLAB/HOL Code: HEVM
UPHSM LIS Test #: 7011
Schedule: Monday - Saturday
Testing Time: 1 day
Testing Lab: Mayo Labs
UPHSM LIS Test #: 7011
Schedule: Monday - Saturday
Testing Time: 1 day
Testing Lab: Mayo Labs
Specimen Info
Only 1 specimen type required, unless otherwise specified
Volume: 10 mL
Temperature: Refrigerate
Tube Type: Urine - 24 hr urine
Collection Info:
Collection Instructions:
1. Collect urine for 24 hours.
2. Refrigerate specimen within 4 hours of completion of 24-hour collection.
Patient Preparation:
1. High concentrations of gadolinium and iodine are known to interfere with most metals tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
2. Patient should not eat seafood for a 48-hour period prior to start of, or during, collection
Temperature: Refrigerate
Tube Type: Urine - 24 hr urine
Collection Info:
Collection Instructions:
1. Collect urine for 24 hours.
2. Refrigerate specimen within 4 hours of completion of 24-hour collection.
Patient Preparation:
1. High concentrations of gadolinium and iodine are known to interfere with most metals tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
2. Patient should not eat seafood for a 48-hour period prior to start of, or during, collection
Methods
Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
Clinical Utilities
Detecting arsenic, cadmium, mercury, and lead exposure and toxicity using 24-hour urine specimen
CPT Codes
82175/Arsenic,
82300/Cadmium,
83655/Lead,
83825/Mercury
82300/Cadmium,
83655/Lead,
83825/Mercury
* The CPT codes provided 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 payer being billed.
Reference Range
ARSENIC:
0-17 years: not established
> or =18 years: <35 mcg/24 hour
CADMIUM:
0-17 years: not established
> or =18 years: <0.7mcg/24 hour
MERCURY:
0-17 years: not established
> or =18 years: <2 mcg/24 hour
Toxic concentration: >50 mcg/24 hour
The concentration at which toxicity is expressed is widely variable between patients.
50 mcg/24 hour is the lowest concentration at which toxicity is usually apparent.
LEAD:
0-17 years: not established
> or =18 years: <2 mcg/24 hour
0-17 years: not established
> or =18 years: <35 mcg/24 hour
CADMIUM:
0-17 years: not established
> or =18 years: <0.7mcg/24 hour
MERCURY:
0-17 years: not established
> or =18 years: <2 mcg/24 hour
Toxic concentration: >50 mcg/24 hour
The concentration at which toxicity is expressed is widely variable between patients.
50 mcg/24 hour is the lowest concentration at which toxicity is usually apparent.
LEAD:
0-17 years: not established
> or =18 years: <2 mcg/24 hour