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HelpTest Code SQ UHEVMM, EPIC LAB398 Heavy Metals Screen, 24 Hour, Urine
Additional Codes
| Mayo Test ID |
|---|
| HMSU |
Reporting Name
Heavy Metals Scrn, 24 Hr, UProfile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| ASHMS | Arsenic, 24 Hr, U | Yes, (order ASU) | Yes |
| PBS | Lead, 24 Hr, U | Yes, (order PBU) | Yes |
| CDHMU | Cadmium, 24 Hr, U | Yes, (order CDU) | Yes |
| HGHMS | Mercury, 24 Hr, U | Yes, (order HGU) | Yes |
Performing Laboratory
Mayo Medical Laboratories in Rochester
Specimen Type
UrineSpecimen Required
Collection Container/Tube: Clean, plastic aliquot container with no metal cap or glued insert
Submission Container/Tube: Plastic, 10-mL urine tube (T068)
Specimen Volume: 10 mL
Collection Instructions:
1. Collect urine for 24 hours.
2. Refrigerate specimen within 4 hours of completion of 24-hour collection.
3. Patient should not eat seafood for a 48-hour period prior to start of collection.
4. See Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.
Additional Information:
1. 24-Hour volume is required.
2. See Urine Preservatives-Collection and Transportation for 24-Hour Urine Specimens in Special Instructions for multiple collections.
3. 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.
Specimen Minimum Volume
2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 7 days |
| Frozen | 7 days |
Special Instructions
Reference Values
ARSENIC
0-35 mcg/specimen
Reference values apply to all ages.
LEAD
0-4 mcg/specimen
Reference values apply to all ages.
CADMIUM
0-15 years: not established
≥16 years: 0.0-1.3 mcg/specimen
MERCURY
0-15 years: not established
≥16 years: 0-9 mcg/specimen
Toxic concentration: >50 mcg/specimen
The concentration at which toxicity is expressed is widely variable between patients. 50 mcg/specimen is the lowest concentration at which toxicity is usually apparent.
Day(s) and Time(s) Performed
Monday through Friday; 7 p.m., Saturday; 2 p.m.
Test Classification
See Individual Test IDsCPT Code Information
82175-Arsenic
82300-Cadmium
83655-Lead
83825-Mercury
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| HMSU | Heavy Metals Scrn, 24 Hr, U | In Process |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 8678 | Cadmium, 24 Hr, U | 5612-7 |
| 8644 | Arsenic, 24 Hr, U | 5587-1 |
| 2549 | Mercury, 24 Hr, U | 6693-6 |
| 8600 | Lead, 24 Hr, U | 5677-0 |
| 2548 | Pb Concentration | 20625-0 |
| 26627 | Hg Concentration | 21383-5 |
| 2547 | As Concentration | 21074-0 |
| TIME4 | Collection Duration | 13362-9 |
| VL16 | Total Volume | 3167-4 |
| 2654 | Cd Concentration | 21130-0 |
Reject Due To
|
Hemolysis |
NA |
|
Lipemia |
NA |
|
Icterus |
NA |
|
Other |
NA |
Method Name
Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)