Sign in →

Test ID BLOD0354 Heavy Metals Screen with Demographics, Blood

Useful For

Detecting exposure to arsenic, lead, cadmium, and mercury

Specimen Type

Whole blood

Specimen Required

Patient Preparation: 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.

Container/Tube: Royal blue-top (EDTA) Vacutainer plastic trace element blood collection tube (T183)

Specimen Volume: Full tube

Collection Instructions:

1. See Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.

2. Send specimen in original collection tube.

Additional Information: If ordering the trace element blood collection tube from BD, order catalog #368381.

Specimen Minimum Volume

0.3 mL

Reject Due To


Mild OK; Gross OK


Mild OK; Gross OK


Mild OK; Gross OK


Green-top (heparin) tube

Specimen Stability Information

Specimen Type Temperature Time
Whole blood Refrigerated (preferred) 28 days
  Ambient  28 days
  Frozen  28 days

Profile Information

Test ID Reporting Name Available Separately Always Performed
ASB Arsenic, B Yes Yes
PBHMB Lead, B Yes, (Order PBDB) Yes
CDB Cadmium, B Yes Yes
HG Mercury, B Yes Yes
DEMO6 Patient Demographics No Yes

Day(s) and Time(s) Performed

Monday through Saturday; 2 p.m.

Analytic Time

1 day

Method Name

Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information





Reporting Name

Heavy Metals Scrn with Demographics

Test Classification

See Individual Test IDs

Reference Values


0-12 ng/mL

Reference values apply to all ages.



All ages: 0.0-4.9 mcg/dL

Critical values

Pediatrics (≤15 years): ≥20.0 mcg/dL

Adults (≥16 years): ≥70.0 mcg/dL



0.0-4.9 ng/mL

Reference values apply to all ages.



0-9 ng/mL

Reference values apply to all ages.


Lead/Heavy Metals Reporting Form (T491) in Special Instructions

Testing Algorithm

See Porphyria (Acute) Testing Algorithm in Special Instructions.

Sanford Laboratories - Fargo Additional 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
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