HMET24U

Heavy Metal Screen, Random or 24 Hour Urine

EPIC Test Procedure Code: LAB3313

Performing Lab:
Referral Laboratory
Patient Preparation:

The patient should avoid eating seafood or drinking red wine 72 hours prior to collection.

Container Type:
Plastic urine container, no preservatives
Specimen Type:

Random or 24 hour urine collection. Alternately, a pour-off sample from a 24 hour urine collection is acceptable but client must measure 24 hour urine volume and indicate the amount on the requisition.

Preferred Volume:
15 mL
Minimum Volume:
5.3 mL
Collection Procedure:

24-Hour Urine Collections:

1.To begin collection, empty the bladder and discard this urine. Record this time and date as the start of the collection.
2. 24-Hour urine collections should be started Sunday through Thursday.
3. Collect all urine excreted during the next 24 hours in the urine collection container.
4. Exactly 24 hours after the collection was begun, empty the bladder for the last time. Add this urine to the 24 hour urine container. The collection is finished.
5. Avoid contact with metal during collection.
6. The container should be refrigerated during and after the 24 hour collection period until it can be brought to Saint Luke’s Regional Laboratories.

Specimen Processing:

1. The request form must state the 24 hour urine volume, if applicable.
2. Enter the volume in Beaker.

Store and Transport:
Room temperature
Stability:

Frozen - 14 days
Refrigerated - 14 days
Room temperature - 14 days

CPT Codes:

82175 - Arsenic Total Urine HMET (EAP 30021623)
82570 - Creatinine Urine (EAP 30021617)
83655 - Lead Urine HMET (EAP 30021624)
83825 - Mercury Urine HMET (EAP 30021626)
81050 - Urine Volume Measurement (if 24 hour urine collection) (EAP 30033360)

Method:
Atomic absorption spectrometry (AAS); inductively coupled plasma-mass spectrometry (ICP-MS)

Lab Personnel

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