Web: | mayocliniclabs.com |
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Email: | mcl@mayo.edu |
Telephone: | 800-533-1710 |
International: | +1 855-379-3115 |
Values are valid only on day of printing. |
Patient's age is required.
Submit only 1 of the following specimen types:
Preferred:
Specimen Type: Blood spot
Supplies: Card-Blood Spot Collection (Filter Paper) (T493)
Container/Tube:
Preferred: Blood Spot Collection Card
Acceptable: Whatman Protein Saver 903 Paper, Ahlstrom 226 filter paper, Munktell filter paper, or blood collected in tubes containing heparin, ACD or EDTA and dried on filter paper.
Specimen Volume: 2 Blood spots
Collection Instructions:
1. Let blood dry on filter paper at room temperature in a horizontal position for 3 or more hours.
2. At least 2 spots should be complete, ie, unpunched.
3. Do not expose specimen to heat or direct sunlight.
4. Do not stack wet specimens.
5. Keep specimen dry.
Specimen Stability Information: Ambient (preferred) 90 days/Refrigerated 90 days/Frozen 90 days
Additional Information:
1. For collection instructions, see Blood Spot Collection Instructions in Special Instructions.
2. For collection instructions in Spanish, see Blood Spot Collection Card-Spanish Instructions (T777) in Special Instructions.
3. For collection instructions in Chinese, see Blood Spot Collection Card-Chinese Instructions (T800) in Special Instructions.
Acceptable:
Specimen Type: Whole Blood
Container/Tube:
Preferred: Lavender top (EDTA)
Acceptable: Green top (sodium or lithium heparin) and yellow top (ACD)
Specimen Volume: 2 mL
Collection Instructions: Send specimen in original tube.
Specimen Stability Information: Refrigerate (preferred) 4 days/Ambient 4 days
If not ordering electronically, complete, print, and send an Inborn Errors of Metabolism Test Request (T798) with the specimen.
Blood spot specimen that shows serum rings or has multiple layers | Reject |
Insufficient specimen | Reject |
Unapproved filter papers | Reject |
Specimen Type | Temperature | Time | Special Container |
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Whole blood | Varies |