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TEST ID HMDB Heavy Metals Screen with Demographics, Blood

Reporting Name

Heavy Metals Scrn with Demographics

Specimen Type

Whole blood


Necessary 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.


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

Testing Algorithm

For more information see Porphyria (Acute) Testing Algorithm

Method Name

Triple Quadrupole Inductively Coupled Plasma Mass Spectrometry (ICP-MS/MS)

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Reference 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.

Day(s) Performed

Monday through Saturday

Report Available

1 to 2 days

Specimen Retention Time

14 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82175

82300

83655

83825

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