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Epic Code LAB1230845 Methylmalonic Acid, Quantitative, Serum

Test Name Alias

MMA | MMAS |  LAB8350 | 10556

Interface Order Alias

1230845

Quick Collect

+S/PO/R

Clinical Information

Useful For

  • Evaluating children with signs and symptoms of methylmalonic acidemia using serum specimens
  • Evaluating individuals with signs and symptoms associated with a variety of causes of vitamin B12 (cobalamin) deficiency

Collection Instructions

Specimen Collection: Blood

 

Container(s): Red top (no additive) or Gold Top (Serum Separator-SST Gel)

  • Preferred Volume to Collect: 6.0 mL
  • Minimum Volume to Collect: 1.0 mL
  • Neonate Volume to Collect: 1.0 mL
  • Capillary collect ok? Yes
  • Microtainer acceptable?  Yes

 

Collection Instructions:

  • Cannot be shared or combined with any other lab test outside of the department.
  • After collection, gently invert tube 8-10 times.
  • Red top is preferred tube.
  • Specimen should be processed within 2 hours – See Processing Instructions below.

 

PROCESSING INSTRUCTIONS (LAB, OUTPATIENT OR OFF-SITE COLLECTION)

  • Processed Specimen: Serum
  • Centrifuge/Spin: Yes
  • Aliquot: Yes
  • Processing Instructions:
    • Allow blood to clot for 30 minutes and centrifuge within 2 hours.
    • Aliquot serum in plastic aliquot tube
    • Cannot be shared or combined with any other lab test.
  • Minimum serum volume: 0.5 mL
  • Transport Temperature: Refrigerate

Specimen Stability

Ambient: 3 days

Refrigerate: 14 days

Frozen: 14 days

Laboratory Retention: 7 days

Test Frequency

Information currently unavailable

Reference Range

≤0.4 nmol/mL

Performing Department

Toxicology

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI

Methodology

Information currently unavaialble

CPT

83921

CDM Code

3008392103

Epic Test ID

1230102463

LOINC

13964-2

Mayo Access Code

Information currently unavailable 

Additional Information

Formerly performed at Mayo Clinic Lab brought in-house on 3/29/2022

Reviewed Date

2/15/2023