--- Query Results --- | |||
| Organization: | Alberta Precision Laboratories | ||
| Message Alert: | PLEASE NOTE: This Test Directory is in an interim state and due to changes pertaining to the DynaLIFE transition, performing site for routing has not been updated. Please refer to Laboratory Information System for appropriate routing. | ||
| Test Name/Synonym: | Citrulline, Dried Blood Spot | ||
| Clinical Indications: | The dried blood spot citrulline quantitation test is intended for the investigation, or therapeutic monitoring of acute or chronic intestinal insufficiency. Additionally, this test may be used for monitoring graft function post intestinal transplantation. | ||
| Ordering Alert: | The selected reference ranges for citrulline are intended for the investigation of intestinal dysfunction. Consider alternative testing if there is a suspicion for an inborn error of metabolism. | ||
| Shipping and Handling Alert: | Ensure the blood spot is dry before closing the protective flap. | ||
| LABID (Connect Care): | LAB7000 | ||
| Test Code: | 1434 | ||
| Specimen Type: | Dried Blood Spot | ||
| Primary Container: | Newborn Metabolic Screening Blood Spot Requisition (card) | ||
| Specimen Collection Requirements: | Ensure that expiry date of Newborn Metabolic Screening Blood Spot Requisition (card) has not been exceeded before proceeding with collection.
Use a heel poke if patient is less than one year old or a finger poke if older. Collect two saturated blood spots on the Newborn Metabolic Screening card. Alternative:
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| Test Resources: | Submit requests using the Newborn Metabolic Screening Blood Spot Requisition (card).
Please ensure all required information is provided, and "Citrulline" is written on the requisition (card). | ||
| Stability and Storage: | Room Temperature | ||
| Processing: | Dry the Newborn Metabolic Screening card for a minimum of 3 hours with protective card flap folded back. Please follow collection instructions on the back of the blood spot card. Write "FOR CITRULLINE ONLY" on the newborn metabolic screening card. | ||
| Transportation: | Transport at room temperature | ||
| Method: | Flow-injection tandem mass spectrometry (FI-MS/MS) | ||
| Method and Interpretation of Results: | Citrulline concentration is measured using flow-injection electrospray-ionization tandem mass spectrometry (FI-MS/MS) with stable-isotope labelled internal standards. | ||
| Routine Turn Around Time: | 4 days | ||
| Testing Schedule: | Daily | ||
| Reference Interval: | Reference intervals are age-dependent and will be provided on the report. | ||
| Testing Area: | Newborn Metabolic Screening & Biochemical Genetics | ||
| Performing Site: | University of Alberta Hospital | ||
| Contact Comments: | Newborn Metabolic Screening & Biochemical Genetics North 780-407-8820 | ||
| Last Updated On: | Friday, February 10, 2023 | ||
