ARUP's Laboratory Test Directory

Lead, Urine : 0025060

Mnemonic: LEAD U

Methodology: Inductively Coupled Plasma/Mass Spectrometry
Performed: Mon-Sat
Reported: 1-3 days
Specimen Required: Collect:  24-hour or random urine collection. Specimen must be collected in a plastic container and should be refrigerated during collection. ARUP studies indicate that refrigeration of urine alone, during and after collection, preserves specimens adequately, if tested within 14 days of collection.

Transport:  10 mL aliquot from a well-mixed collection at 2-8°C (Min: 5 mL). Submit specimen in two ARUP Trace Element-Free Transport Tubes (ARUP supply #43116).

Pediatric Collection/Transport:  5 mL aliquot from a well-mixed collection at 2-8°C. Submit specimen in an ARUP Trace Element-Free Transport Tube (ARUP supply #43116).

Remarks:  Record total volume and collection time interval on transport tube and on test request form.

Unacceptable Conditions:  Urine collected within 48 hours after administration of a gadolinium (Gd) containing contrast media (may occur with MRI studies). Acid preserved urine.

Stability:  Ambient: 1 week;  Refrigerated (preferred): 2 weeks; Frozen: 1 year
Reference Interval:
 
Test Number Components Reference Interval
 Lead, Urine0-23 µg/L
 Lead, Urine (24-hour)0-31 µg/d
 Lead per gram of creatinineNo reference interval (µg/g crt)
0020473Creatinine, 24-Hour Urine  
 
Male Female
3-8 years:      140-700 mg/d
9-12 years:    300-1300 mg/d
13-17 years:  500-2300 mg/d
18-50 years:  1000-2500 mg/d
51-80 years:  800-2100 mg/d
81 years and older: 600-2000 mg/d 		3-8 years:      140-700 mg/d
9-12 years:    300-1300 mg/d
13-17 years:  400-1600 mg/d
18-50 years:  700-1600 mg/d
51-80 years:  500-1400 mg/d
81 years and older: 400-1300 mg/d

CPT Code(s): 83655
 
 

 

 

 
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