Home
HelpTest ID BLOD0354 Heavy Metals Screen with Demographics, Blood
Useful For
Detecting exposure to arsenic, lead, cadmium, and mercury
Specimen Type
Whole bloodNecessary Information
If not ordering electronically, the Lead and Heavy Metals Reporting (T491) is required. Send with specimen.
Specimen Required
Patient Preparation: High concentrations of gadolinium and iodine are known to potentially interfere with most inductively coupled plasma mass spectrometry-based metal tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
Supplies: Metal Free B-D Tube (EDTA), 6 mL (T183)
Container/Tube: Royal blue top (EDTA) plastic trace element blood collection tube
Specimen Volume: Full tube
Collection Instructions:
1. See Metals Analysis Specimen Collection and Transport for complete instructions.
2. Send whole blood specimen in original collection tube. Do not aliquot.
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Specimen 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 |
Day(s) Performed
Monday through Saturday
Report Available
1 to 2 daysMethod Name
Triple Quadrupole Inductively Coupled Plasma Mass Spectrometry (ICP-MS/MS)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82175
82300
83655
83825
Reporting Name
Heavy Metals Scrn with DemographicsReference Values
ARSENIC
<13 ng/mL
Reference values apply to all ages.
LEAD
<3.5 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.
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.Forms
Lead and Heavy Metals Reporting (T491) or Lead and Heavy Metals Reporting-Spanish (T956)
Special Instructions
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
For more information see Porphyria (Acute) Testing Algorithm
Secondary ID
39183SANFORD LABORATORY INTERFACE BUILD INFORMATION
| Result Code | Result Code Description |
|---|---|
| 13519 | Arsenic |
| 13521 | Lead |
| 13520 | Cadmium |
| 13518 | Mercury |
| 17864 | Venous/Capillary |
| 20457 | Patient Street Address |
| 20458 | Patient City |
| 20459 | Patient State |
| 20460 | Patient Zip Code |
| 20461 | Patient County |
| 20462 | Patient Home Phone |
| 20463 | Patient Race |
| 20464 | Patient Ethnicity |
| 20465 | Patient Occupation |
| 20466 | Patient Employer |
| 17870 | Guardian First Name |
| 17871 | Guardian Last Name |
| 20467 | Health Care Provider Name |
| 20468 | Health Care Provider Street Address |
| 20469 | Health Care Provider City |
| 20470 | Health Care Provider State |
| 20471 | Health Care Provider Zip Code |
| 20472 | Health Care Provider Phone |
| 20473 | Submitting Laboratory Phone |