ALA DEHYDRATASE RBC
Marquette General Health System
Alpha Code |
ALDE | |
MGH LIS Test No |
5981 | |
Schedule |
Monday - Friday | |
Testing Time |
3 Days | |
Testing Lab |
Mayo Labs | |
QORR Test Code |
ALDE | |
Type |
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Volume |
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Temperature |
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Preservative |
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Collection Info |
All porphyrin tests on erythrocytes can be performed on 1 draw tube. Submit only 1 of the following specimens: Washed Erythrocytes 1. Have patient fast for 12 to 14 hours. Water may be taken as needed. No other liquids are allowed. 2. Patient should abstain from alcohol for 24 hours. Note: Provide a list of medications the patient is currently taking and forward with the specimen. 3. Draw a full, green-top (heparin) tube, and process entire heparinized whole blood specimen as follows: A. Place on wet ice immediately. B. Transfer to a 12-mL graduated centrifuge tube. C. Centrifuge for 10 minutes at 2,000 rpm. D. Record volume of packed cells and the total volume of the specimen. This information must be sent with the specimen. E. Discard supernatant plasma. F. Wash erythrocytes 2 times by resuspension with 5 mL of cold 0.9% saline, discarding supernatant after each washing. G. Resuspend packed cells to the original total volume of 5 mL with 0.9% saline. Invert gently to mix. 4. Send washed erythrocyte suspension frozen in plastic vial. Note: Volume of packed cells and total volume of erythrocyte suspension (red cells + saline) are required on request form for processing. Whole Blood to be Washed at Mayo Medical Laboratories Specimen must arrive within 48 hours of draw. If specimen cannot arrive within 48 hours, please send washed erythrocytes; and include the cell suspension information. 1. Have patient fast for 12 to 14 hours. Water may be taken as needed. No other liquids are allowed. 2. Patient should abstain from alcohol for 24 hours. Note: Provide a list of medications the patient is currently taking and forward with the specimen. 3. Draw a full, green-top (heparin) tube, and send entire heparinized whole blood specimen refrigerated. Specimen cannot be frozen. 4. Test will be canceled if frozen whole blood is received. |
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Clinical Utilities CPT Codes Reference Range
82657
> or =4.0 nmol/L/sec
3.5-3.9 nmol/L/sec (indeterminate)
<3.5 nmol/L/sec (diminished)
Component Information
Additional Comments Questions or Comments email support@mgh.org
Reference Lab Home Page
Marquette General Health System Home Page