o-, m-, p-Xylene (as Methylhippuric Acid), Occupational Exposure, Urine

TEST: 791128
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CPT: 82570; 83921
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Synonyms

  • Xylene

Expected Turnaround Time

7 - 14 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Specimen Requirements

Specimen

Urine (random)

Volume

10 mL

Minimum Volume

2 mL

Container

Plastic urine container without preservative

Collection

Urine container should be filled to prevent loss of volatile compound into headspace.

Storage Instructions

Refrigerate; specimen may also be frozen.

Causes for Rejection

Urine from preservative tube

Test Details

Use

Evaluate exposure to o-, m-, p-xylene

Methodology

Gas chromatography/flame ionization detection (GC/FID); spectrophotometry (SPEC)

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
791128 o,m,p Xylene as Methylhippuric 809530 Creatinine mg/dl 2161-8
791128 o,m,p Xylene as Methylhippuric 808926 Methylhippuric Acid g/l 21387-6
791128 o,m,p Xylene as Methylhippuric 808927 Methylhippuric Acid g/g creat 13774-5

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The LOINC® codes are copyright © 1994-2021, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf