| Laboratory: | Clinical Biochemistry (METABOLIC) | 
| Test Name: | AMINOLEVULINIC ACID (ALA) - (U) 
	Test Code:
	ALAU
 | 
| Clinical Information: | Description: Measurement of Aminolevulinic Acid (ALA) and Porphobilinogen (PBG) by LC-MSMS. Test Indication: This test is use in the differential diagnosis of the various acute porphyrias. Patient Preparation Instructions: Patient should abstain from alcohol for 24 hours prior to and during testing. | 
| Collection Devices: | Preferred Device:  
	
		
            
                
                    1 - Urine Collection 12 mL Tube 
                
                 Urine Collection 12 mL Tube Manufacturer: Sarstedt Canada Inc. (vendor) Catalogue #: This collection is not suitable for urinary Porphyrins | 
| Specimen Required: | 
			
				Urine: 10.0 mL
			
		 
			
				Pediatric  Urine: 5.0 mL
			
		 Collection Information: Collect a random urine specimen. Collected in a container protected from light, without preservative. This collection is not suitable for urinary Porphyrins Specimen Stability: Ambient: N/A Refrigerated: 7 days Frozen: 6 months | 
| Referral: | 		
				Urine:  		
			 		
					Pediatric  Urine: 5.0 mL		
				 Shipping & Storage: Store and send sample refrigerated/frozen and protected from light to the Metabolic Lab | 
| Requisition: | |
| Reference Values: | AGE                 AMINOLEVULINIC ACID μmol/mmol creatinine 1 - 8 y: 2.0-5.3 9 - 17 y: 1.3-4.6 >17 y: < 4.7 Method of Analysis: Liquid Chromatography Mass Spectrometry | 
| Availability: | Within 2 Weeks | 
| See Also: | |
| More Information: | If you have any questions, please communicate with the Metabolic Lab (HSC): 204-787-4530 Reject due to: Not protected from light, preservative, not refrigerated or frozen. |