Referred Tests
| Web: | mayocliniclabs.com |
|---|---|
| Email: | mcl@mayo.edu |
| Telephone: | 800-533-1710 |
| International: | +1 855-379-3115 |
| Values are valid only on day of printing. | |
Test ID: PMSBB
Postmortem Screening, Bile and Blood Spot
Testing Algorithm 
Delineates situations when tests are added to the initial order. This includes reflex and additional tests.
See Postmortem Screening Algorithm in Special Instructions.
Specimen Type Describes the specimen type validated for testing
Necessary Information
Request the original newborn screening card from the state laboratory where the decedent was born. See Request for Original Newborn Screening Card in Special Instructions.
Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing
Both bile and blood spots are required.
Supplies: Card-Postmortem Screening (Filter Paper) (T525)
Collection Container/Tube: Postmortem Screening Card
Specimen Volume: Properly completed screening card
Collection Instructions:
1. Collect blood in a heparin-containing tube and drop 25 mcL of blood onto the 2 circles labeled Blood.
2. Collect bile by direct puncture of the gallbladder and drop 25 mcL of bile onto the 2 circles labeled Bile.
3. Allow to dry at ambient temperature in a horizontal position for 3 or more hours.
4. Fill out information on page 2 of collection card.
5. Do not expose specimen to heat or direct sunlight.
6. Do not stack wet specimens.
7. Keep specimen dry.
Special Instructions Library of PDFs including pertinent information and forms related to the test
Forms
If not ordering electronically, complete, print, and send an Inborn Errors of Metabolism Test Request (T798) with the specimen.
Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory
Blood spot: 1
Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected
| All specimens will be evaluated at Mayo Clinic Laboratories for test suitability. |
Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Whole blood | Ambient (preferred) | FILTER PAPER | |
| Frozen | FILTER PAPER | ||
| Refrigerated | FILTER PAPER | ||