Metal panel (As, Cd, Hg, Pb), 24-hour urine

Alphabetical Test listing

Metal panel (As, Cd, Hg, Pb), 24-hour urine-13308

Test name:

Test number:

13308

Excellian order number:

LAB13308

Abbreviation:

HMU

Alternate names:

Arsenic
As
Mercury
Hg
Lead
Pb
Cadmium
Cd
Heavy metals

Tests included:

Arsenic (As)
Cadmium (Cd)
Lead (Pb)
Mercury (Hg)

Useful for:

The evaluation of exposure to heavy metals

Specimen type:

Urine, 24-hr

Collection container:

24-hr urine collection container, acid washed

Volume:

10 mL aliquot from a 24-hr collection

Minimum volume:

1.0 mL aliquot from a 24-hr collection

Collection instructions:

How to collect a 24-hr urine sample

Processing instructions:

Measure the total volume
Mix well
Transfer a 10mL aliquot (minimum 1mL) of the 24-hour collection to a Urine cup - acid washed (metal free)
Record the total volume on the aliquot cup

Transport container:

Urine cup - acid washed (metal free)

Transport and stability:

Refrigerated (preferred) - 2 weeks

Ambient: < 3 days

Frozen - 6 weeks

Reason for rejection:

Visibly bloody specimen

Performing lab:

MedTox Laboratories (1625): R-MX

Days set up:

Every other day

TAT:

3 - 4 days

Method:

Inductively coupled plasma/mass spectrometry (ICP/MS)

Reference ranges:

Arsenic: <25 µg/24hr

Cadmium: <5.0 ng/mL (exposed <10.0 µg/24 hours)

Lead: <1.0 ng/mL

Mercury: <20 µg/24hr

Results that require action (critical):

Component	Results that require action
Cadmium	>10 ng/mL
Mercury	>50 μg/24 hr

CPT codes:

82175 - Arsenic, urine
82300 - Cadmium, urine
83655 - Lead, urine
83825 - Mercury, urine

Subject to medical necessity (Y/N):

Yes

LCD/NCD:

Medical necessity

Date created:

03/06/2019

Revised date:

04/04/2024

Review date:

01/11/2024