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35 results found.

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Ordering Recommendation:  

Use only to provide evidence of vaccination or prior infection by measles, mumps, rubella and varicella-zoster viruses.

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Ordering Recommendation:  

Refer to ARUP Immunohistochemistry Stain Offerings brochure at www.aruplab.com/ap/resources.

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Ordering Recommendation:  

Refer to ARUP Immunohistochemistry Stain Offerings brochure at www.aruplab.com/ap/resources.

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Ordering Recommendation:  

Optimize drug therapy and monitor patient adherence.

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Ordering Recommendation:  

Preferred CSF test for the workup of suspected multiple sclerosis. Detects IgG oligoclonal bands in CSF and calculates the CSF IgG index.

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Ordering Recommendation:  

Sensitive screening test for multiple sclerosis. Preferred test is Oligoclonal Band Profile (0080440).

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Ordering Recommendation:  

Useful for general screening in contexts of compliance and/or abuse. For follow-up testing of a presumptive result, confirmatory testing by mass spectrometry is recommended. For automatic reflex testing on all presumptive positives, Opiates, Urine Screen with Reflex to Quantitation (2005093) is recommended.

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Ordering Recommendation:  

Monitor patient adherence.

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Ordering Recommendation:  

Useful for general screening in contexts of compliance and/or abuse. A screen with reflex testing is the preferred method for ruling out opiate exposure. For follow-up testing of a presumptive result, Opiates, Urine, Quantitative (0090364) is preferred.

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Ordering Recommendation:  

Preferred test to follow-up presumptive results. For general screening, Opiates, Urine Screen with Reflex to Quantitation (2005093) is preferred.

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Ordering Recommendation:  

Pretherapeutic identification of individuals who may require higher or lower doses of opioid drugs to achieve adequate pain control or have a better response to naltrexone for the treatment of alcohol and/or opioid dependency.

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Ordering Recommendation:  

For routine biochemical screening for inherited disorders of metabolism, refer to Organic Acids, Urine (0098389).

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Ordering Recommendation:  

Diagnostic evaluation of patients with possible organic acidemias, fatty acid oxidation disorders, and other conditions.

16.
Ordering Recommendation:  

Reference method for identification of most bacterial species.

17.
Ordering Recommendation:  

Molecular (DNA) test to confirm a diagnosis of ornithine transcarbamylase (OTC) deficiency performed when Ornithine Transcarbamylase Deficiency (OTC) Sequencing (2004901) does not identify the causative mutation. Carrier testing for individuals who have a family history of a deletion or duplication in the OTC gene.

18.
Ordering Recommendation:  

Molecular (DNA) test to confirm a diagnosis of ornithine transcarbamylase (OTC) deficiency following clinical and biochemical presentation. To diagnose or rule out OTC deficiency, refer to Amino Acids Quantitative by LC-MS/MS, Plasma (2009389), Organic Acids, Urine (0098389), and Orotic Acid and Orotidine, Urine (0092458).

19.
Ordering Recommendation:  

Preferred molecular (DNA) test to confirm a diagnosis of ornithine transcarbamylase (OTC) deficiency following clinical and biochemical presentation. To diagnose or rule out OTC deficiency, refer to Amino Acids Quantitative by LC-MS/MS, Plasma (2009389), Organic Acids, Urine (0098389), and Orotic Acid and Orotidine, Urine (0092458).

20.
Ordering Recommendation:  

For proper evaluation of patients with a suspected urea cycle disorder, order Amino Acids Quantitative by LC-MS/MS, Plasma (2009389), Amino Acids Quantitative by LC-MS/MS, Urine (2009419), and Organic Acids, Urine (0098389) concurrently with Orotic Acid testing.

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Ordering Recommendation:  

Functional testing of red blood cell sensitivity to osmotic stress; do not use to distinguish between spherocytes in hereditary spherocytosis and acquired autoimmune hemolytic anemia.

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Ordering Recommendation:  

Detect extraintestinal parasites from other body fluids. For CSF specimens, consider ordering culture with stain test for Acanthamoeba spp and Naegleria fowleri  (2002584).

27.
Ordering Recommendation:  

If parasite infection is suspected as cause of persistent diarrhea (> 14 days), specific pathogen testing is recommended (refer to Gastrointestinal Parasite Panel by PCR (2011150); Giardia Antigen by EIA (0060048); Entamoeba histolytica Antigen, EIA (0058001); or Cryptosporidium Antigen by EIA (0060045)). Do not order for patients who develop diarrhea during a prolonged hospitalization.

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Ordering Recommendation:  

Assess the body pool size of oxalate.

30.
Ordering Recommendation:  

Evaluate individuals with calcium oxalate renal calculi.

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Ordering Recommendation:  

Optimize drug therapy and monitor patient adherence.

33.
Ordering Recommendation:  

Monitor patient adherence.

34.
Ordering Recommendation:  

Useful for general screening in contexts of compliance and/or abuse. A screen with reflex testing is the preferred method for ruling out opiate exposure. For follow-up testing of a presumptive result, Opiates, Urine, Quantitative (0090364) is preferred.

35.
Ordering Recommendation:  

A simultaneously drawn control specimen must be submitted to allow for meaningful interpretation. Use this test to screen for hemoglobin variants with high- and low-oxygen affinities in individuals with isolated polycythemia who lack a JAK2 gene mutation and do not exhibit other clinical symptoms suggestive of polycythemia vera (eg, leukocytosis, thrombocytosis, or splenomegaly) or in cyanotic individuals.