Iohexol GFR (Glomerular Filtration Rate)
GTR Test Accession: Help GTR000607935.3
URINARY SYSTEM DISEASEINHERITED DISEASEREPRODUCTIVE HEALTH ... View more
Last updated in GTR: 2024-01-18
Last annual review date for the lab: 2024-01-18 LinkOut
At a Glance
Diagnosis
Inherited kidney disorder; Kidney disorder
Iohexol
Biochemical Genetics - Analyte: Liquid chromatography-tandem mass spectrometry (LC-MS/MS)
Those with chronic kidney disease
Not provided
Not provided
Ordering Information
Offered by: Help
University of Minnesota Physicians Outreach Labs
View lab's website
View lab's test page
Test short name: Help
Iohexol
Specimen Source: Help
Who can order: Help
  • Genetic Counselor
  • Licensed Physician
  • Nurse Practitioner
  • Physician Assistant
Test Order Code: Help
Lab contact: Help
Janel Hansen, , Administrator
hans7501@umn.edu
6126253949
Contact Policy: Help
Laboratory can only accept contact from health care providers. Patients/families are encouraged to discuss genetic testing options with their health care provider.
How to Order: Help
Order one IHX per patient - only one test is ordered per group of timed specimens. Label all specimens with their collection time.

Mandatory information for Iohexol calculation:
Patient height (cm)
Patient weight (kg)
Collection times
Iohexol administration time
Iohexol dose
Order URL
Test service: Help
Biochemical Genetics
    Comment: Order one IHX per patient
    OrderCode: LAB3112
Test development: Help
Test developed by laboratory (no manufacturer test name)
Informed consent required: Help
No
Test strategy: Help
Start timing immediately after Omnipaque injection is completed. Do not draw Iohexol levels from the line that Omnipaque was administered. Collect at least 1.2 mL in a green top tube at 120, 150, 180, 210 and 240 minutes. Record the exact time of collection on the flowsheet and on collection … View more
Pre-test genetic counseling required: Help
No
Post-test genetic counseling required: Help
No
Conditions Help
Total conditions: 2
Condition/Phenotype Identifier
Test Targets
Analytes Help
Total analytes: 1
Analyte Associated Condition
Methodology
Total methods: 1
Method Category Help
Test method Help
Instrument *
Analyte
Liquid chromatography-tandem mass spectrometry (LC-MS/MS)
* Instrument: Not provided
Clinical Information
Test purpose: Help
Diagnosis
Target population: Help
Those with chronic kidney disease
Sample reports:
Sample Negative Report Help
Sample Negative Report
Recommended fields not provided:
Technical Information
Availability: Help
Tests performed
Entire test performed in-house
Analytical Validity: Help
Follow appropriate Iohexol protocol. Start timing immediately after Omnipaque injection is completed. Do not draw Iohexol levels from the line that Omnipaque was administered. Collect at least 1.2 mL in a green top tube at 120, 150, 180, 210 and 240 minutes. Record the exact time of collection on the … View more
Proficiency testing (PT):
Is proficiency testing performed for this test? Help
Yes

Method used for proficiency testing: Help
Alternative Assessment

PT Provider: Help
Intra-laboratory assessment
Recommended fields not provided:
Regulatory Approval
FDA Review: Help
Not provided
Additional Information

IMPORTANT NOTE: NIH does not independently verify information submitted to GTR; it relies on submitters to provide information that is accurate and not misleading. NIH makes no endorsements of tests or laboratories listed in GTR. GTR is not a substitute for medical advice. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.