TEST CATALOG ORDERING & RESULTS SPECIMEN HANDLING CUSTOMER SERVICE EDUCATION & INSIGHTS
Test Catalog

Test ID: CMMPP    
Cobalamin, Methionine, and Methylmalonic Acid Pathways, Plasma

Specimen Type Describes the specimen type validated for testing

Plasma

Necessary Information

Patient's age and sex are required.

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Container/Tube:

Preferred: Lavender top (EDTA)

Acceptable: Green top (sodium or lithium heparin)

Specimen Volume: 1 mL

Collection Instructions:

1. Immediately place specimen on ice.

2. Centrifuge and aliquot plasma into plastic vial within 4 hours of collection.

3. If blood cannot be placed on wet ice immediately, centrifuge and aliquot plasma into plastic vial within 1 hour of collection.

4. A refrigerated centrifuge is not required if the above time restrictions are met.

Special Instructions Library of PDFs including pertinent information and forms related to the test

Forms

1. Biochemical Genetics Patient Information (T602) in Special Instructions

2. 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

0.1 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

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 TypeTemperatureTimeSpecial Container
PlasmaRefrigerated (preferred)28 days
 Frozen 309 days
 Ambient 28 days