Heavy Metal Screen
Label Mnemonic: HMSB
Epic Lab Code: LAB3272
Downtime Form: A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery
Commercial Mail-out Laboratory
5231 RCP
Collection Medium:
Royal Blue K2 EDTA tube
Preferred Minimum: 7 mL whole blood
Absolute Minimum: 1.5 mL whole blood

Mercury is volatile; concentration may reduce after seven or more days of storage. If the specimen is drawn and stored in the appropriate container, the arsenic and lead values do not change with time.
Rejection Criteria:
Heparin anticoagulant
Turn Around Time:
1-4 days upon receipt at reference laboratory
Reference Range:
Components Reference Interval Arsenic, Blood 0.0-13.0 μg/L Mercury, Whole Blood 0-10 μg/L Lead, Blood (Venous) 0.0-4.9 μg/dL
Includes Arsenic, Lead and Mercury.
Quantitative Inductively Coupled Plasma-Mass Spectrometry
CPT Code:
82175 Arsenic, 83655 Lead, 83825 Mercury