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Test Code BLOD0354 Heavy Metals Screen with Demographics, Blood

Additional Codes

Mayo Test Code: HMDB

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 PBDB) Yes
CDB Cadmium, B Yes Yes
HG Mercury, B Yes Yes
DEMO6 Patient Demographics No Yes

Method Name

Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)

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 Stability Information

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

Reject Due To

Hemolysis

Mild OK; Gross OK

Lipemia

Mild OK; Gross OK

Icterus

Mild OK; Gross OK

Other

Green-top (heparin) tube

Day(s) and Time(s) Performed

Monday through Saturday; 2 p.m.

Performing Laboratory

Mayo Medical Laboratories in Rochester

Test Classification

See Individual Test IDs

CPT Code Information

82175-Arsenic

82300-Cadmium

83655-Lead

83825-Mercury

Specimen Minimum Volume

0.3 mL

Reference Values

ARSENIC

0-12 ng/mL

Reference values apply to all ages.

 

LEAD

All ages: 0.0-4.9 mcg/dL

Critical values

Pediatrics (≤15 years): ≥20.0 mcg/dL

Adults (≥16 years): ≥70.0 mcg/dL

 

CADMIUM

0.0-4.9 ng/mL

Reference values apply to all ages.

 

MERCURY

0-9 ng/mL

Reference values apply to all ages.

Forms

Lead/Heavy Metals Reporting Form (T491)

Testing Algorithm

See Porphyria (Acute) Testing Algorithm in Special Instructions.