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82310:CHROMIUM (Cr), URINE
Methodology:Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
Edit Date:6/11/2010
Performed:Tuesday, Friday
Released:1-5 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code:82495-90
Specimen Collection Details
Collection:24-hour or random urine collected in a clean, dry plastic container. Refrigerate during collection, handling, and transport. NOTE: Patient should abstain from shellfish and seafood for 48-72 hours prior to colleciton.
Handling:Record total volume and collection time interval on container and requisition. Mix well and aliquot into two ARUP Trace Element-Free transport tubes, available from Client Services. Refrigerate.
Stability:7 days ambient, 14 days refrigerated (preferred), or 1 year frozen. If the specimen is collected and stored in the appropriate container, the trace element values do not change with time. Studies indicate that refrigeration alone of urine during and after collection preserves specimen adequately if tested within 14 days.
Standard Volume:10 mL aliquot.
Minimum Volume:5 mL aliquot.
Transport:Refrigerated.
Rejection Criteria:Urine collected within 48 hours of the administration of a gadolinium (Gd) containing contrast media (may occur with MRI studies); acid-preserved urine.
COMPONENTS REFERENCE INTERVAL
Chromium, Urine <0.0-5.0 ug/L
Chromium, Urine (24-hour) <0.0-6.0 ug/d
Chromium per Gram of Creatinine No reference intervals (ug/g CRT)
Creatinine (24-hour)
Reports may vary based on instrumentation
MALE FEMALE
3-8 years: 140-700 mg/d 3-8 years: 140-700 mg/d
9-12 years: 300-1300 mg/d 9-12 years: 300-1300 mg/d
13-17 years: 500-2300 mg/d 13-17 years: 400-1600 mg/d
18-50 years: 1000-2500 mg/d 18-50 years: 700-1600 mg/d
51-80 years: 800-2100 mg/d 51-80 years: 500-1400 mg/d
81 years and older: 600-2000 mg/d 81 years and older: 400-1300 mg/d