Home
HelpTest Code HMDB Heavy Metals Screen with Demographics, Blood
Necessary Information
If not ordering electronically, the Lead and Heavy Metals Reporting (T491) form is required. Send with specimen.
Specimen Required
Patient Preparation: High concentrations of gadolinium and iodine are known to interfere with most metal tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
Container/Tube: Royal blue top (EDTA) plastic trace element blood collection tube
Specimen Volume: Full tube
Collection Instructions:
1. See Trace Metals Analysis Specimen Collection and Transport for complete instructions.
2. Send specimen in original collection tube. Do not aliquot.
Useful For
Detecting exposure to arsenic, lead, cadmium, and mercury
Profile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| ASB | Arsenic, B | Yes | Yes |
| PBHMB | Lead, B | Yes, (Order PBDV) | Yes |
| CDB | Cadmium, B | Yes | Yes |
| HG | Mercury, B | Yes | Yes |
| DEMO6 | Patient Demographics | No | Yes |
Testing Algorithm
Special Instructions
Method Name
Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
Reporting Name
Heavy Metals Scrn with DemographicsSpecimen Type
Whole bloodSpecimen Minimum Volume
0.3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Whole blood | Refrigerated (preferred) | 28 days | |
| Ambient | 28 days | ||
| Frozen | 28 days |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Reference Values
ARSENIC
Reference values apply to all ages.
LEAD
0-5 years: <3.5 mcg/dL
≥6 years: <5.0 mcg/dL
Critical values
Pediatrics (≤15 years): ≥20.0 mcg/dL
Adults (≥16 years): ≥70.0 mcg/dL
CADMIUM
<5.0 ng/mL
Reference values apply to all ages.
MERCURY
 <10 ng/mL
Reference values apply to all ages.
Day(s) Performed
Monday through Saturday
Report Available
1 to 2 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
82175
82300
83655
83825
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| HMDB | Heavy Metals Scrn with Demographics | 29588-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 32190 | Arsenic, B | 5583-0 |
| 8682 | Cadmium, B | 5609-3 |
| 8618 | Mercury, B | 5685-3 |
| 2588 | Lead, B | 77307-7 |
| VECP6 | Venous/Capillary | 31208-2 |
| PTAD6 | Patient Street Address | 56799-0 |
| PTCI6 | Patient City | 68997-6 |
| PTST6 | Patient State | 46499-0 |
| PTZI6 | Patient Zip Code | 45401-7 |
| PTCN6 | Patient County | 87721-7 |
| PTPH6 | Patient Home Phone | 42077-8 |
| PTRA6 | Patient Race | 32624-9 |
| PTET6 | Patient Ethnicity | 69490-1 |
| PTOC6 | Patient Occupation | 11341-5 |
| PTEM6 | Patient Employer | 80427-8 |
| GDFN6 | Guardian First Name | 79183-0 |
| GDLN6 | Guardian Last Name | 79184-8 |
| MDOR6 | Health Care Provider Name | 52526-1 |
| MDAD6 | Health Care Provider Street Address | 74221-3 |
| MDCI6 | Health Care Provider City | 52531-1 |
| MDST6 | Health Care Provider State | 52532-9 |
| MDZI6 | Health Care Provider Zip Code | 87720-9 |
| MDPH6 | Health Care Provider Phone | 68340-9 |
| LABP6 | Submitting Laboratory Phone | 65651-2 |