Test Code LGBBS Globotriaosylsphingosine, Blood Spot
Test Down Notes
This test is temporarily unavailable. For additional details, see test update here.
Ordering Guidance
Serum is the recommended specimen type for diagnosing and monitoring patients with Fabry Disease. For more information see LGB3S / Globotriaosylsphingosine, Serum.
Specimen Required
Supplies:
-Card-Blood Spot Collection (Filter Paper) (T493)
-Card-Postmortem Screening (Filter Paper) (T525)
Container/Tube:
Preferred: Blood Spot Collection Card (Filter Paper)
Acceptable: Whatman Protein Saver 903 filter paper, PerkinElmer (formerly Ahlstrom) 226 filter paper, Munktell filter paper, Postmortem Screening Card or collected with EDTA, sodium heparin, lithium heparin, or ACD B-containing devices
Specimen Volume: 2 Blood spots
Collection Instructions:
1. Let blood dry completely on filter paper at ambient temperature in a horizontal position for a minimum of 3 hours.
2. At least 1 spot 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.
Additional Information:
1. For collection instructions, see Blood Spot Collection Instructions.
2. For collection instructions in Spanish, see Blood Spot Collection Card-Spanish Instructions (T777).
3. For collection instructions in Chinese, see Blood Spot Collection Card-Chinese Instructions (T800).
CMH COLLECTION: Completely fill at least 2 circles on the filter paper card
Specimen Minimum Volume
1 Blood spot
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Whole blood | Refrigerated (preferred) | 10 days | FILTER PAPER |
Frozen | 59 days | FILTER PAPER | |
Ambient | 10 days | FILTER PAPER |
Useful For
Screening of patients with Fabry disease using dried blood spots when a serum specimen is not available
This test should not be used for newborn screening followup.
Reject Due To
Shows serum rings Insufficient specimen Layering Multiple applications |
Reject |
Day(s) Performed
Tuesday
Report Available
3 to 9 daysReporting Name
Globotriaosylsphingosine, BSReference Values
Cutoff: ≤0.034 nmol/mL
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Performing Laboratory
Mayo Clinic Laboratories in RochesterCPT Code Information
82542