A short description of the method used to perform the test
High Performance Liquid Chromatography/
TandemMass Spectrometry (LC-MS/MS)
NY State Available
Indicates the status of NY State approval and if the test is orderable for NY State clients.
Lists a shorter or abbreviated version of the Published Name for a test
Hippuric Acid, U
Lists additional common names for a test, as an aid in searching
Benzyl Alcohol Metabolite, FORWARD
Hippuric Acid, Urine, FORWARD
Toluene Metabolite, FORWARD
Describes the specimen type validated for testing
Defines the optimal specimen required to perform the test and the preferred volume to complete testing
Send 3 mL from a random urine collection. Send specimen refrigerated in a plastic urine container.
Specimen Minimum Volume
Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory
Reject Due To
Identifies specimen types and conditions that may cause the specimen to be rejected
| Hemolysis || NA |
| Lipemia || NA |
| Icterus || NA |
| Other || NA |
Specimen Stability Information
Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included
Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.
Reporting limit determined each analysis
U.S. Population (10th â€“ 90th percentiles, median)
335 - 2370 mg/L, median: 1180 (n=22,245)
495 - 2540 mg/L, median: 1370 (n=10,610)
273 - 2170 mg/L, median 994 (n=11,635)
Hippuric Acid (g/L)
Synonym(s): Hippurate; n-Benzoylglycine
Normal for unexposed populations is generally less than 1.6 g/L.
Hippuric Acid (Creatinine corrected) (g/g Creat)
Synonym(s): Hippurate; n-Benzoylglycine
Normal for unexposed populations is generally less than 1.5 g/g creatinine.
Specific Gravity Confirmation
Physiologic range: 1.010 - 1.030
Several factors determine the fee charged to perform a test. Contact your U.S. or International Regional Manager for information about establishing a fee schedule or to learn more about resources to optimize test selection.
- Authorized users can sign in to Test Prices for detailed fee information.
- Clients without access to Test Prices can contact Customer Service 24 hours a day, seven days a week.
- Prospective clients should contact their Regional Manager. For assistance, contact Customer Service.
Provides information regarding the medical device classification for laboratory test kits and reagents. Tests may be classified as cleared or approved by the US Food and Drug Administration (FDA) and used per manufacturer instructions, or as products that do not undergo full FDA review and approval, and are then labeled as an Analyte Specific Reagent (ASR) product.
This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the U.S. Food and Drug Administration.
CPT Code Information
Provides guidance in determining the appropriate Current Procedural Terminology (CPT) code(s) information for each test or profile. The listed CPT codes reflect Mayo Clinic Laboratories interpretation of CPT coding requirements. It is the responsibility of each laboratory to determine correct CPT codes to use for billing.
CPT codes are provided by the performing laboratory.
Test Setup Resources
Test setup information contains test file definition details to support order and result interfacing between Mayo Clinic Laboratories and your Laboratory Information System.
Excel | Pdf
SI Sample Reports
International System (SI) of Unit reports are provided for a limited number of tests. These reports are intended for international account use and are only available through MayoLINK accounts that have been defined to receive them.
SI Normal Reports |
SI Abnormal Reports