Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

METHYLMALONIC ACID, GC/MS/MS, URINE

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB2677         Geisinger Epic ID: 21476

SPECIMEN COLLECTION
Specimen type:
Random urine
Preferred collection container:
Specimen required:
2 mL random urine in plastic, leakproof container.
Special notes:
Collect without preservatives.

SPECIMEN PROCESSING
Specimen processing instructions:
Do not add preservative. 
Transport temperature:
Frozen (preferred) or refrigerated.
Specimen stability:
Room Temperature: Unacceptable. Refrigerated: 12 days. Frozen: 30 days.
Rejection criteria:
Specimens transported at room temperature. Specimen containing preservative.

TEST DETAILS
Reference interval:
Accompanies report.
Additional information:
Turnaround time: 5 days.
CPT code(s):
83921, 82570
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Methylmalonic Acid, Urine.
Methodology:
Gas Chromatography/Mass Spectrometry (GC/MS)
Synonyms:
METHAC, MMA
METHYLMALONIC ACID, URINE
Quest test code 91032
Clinical significance:
Methylmalonic Acid (MMA) is useful to diagnose and monitor Vitamin B12 (cobalamin) deficiency, and to diagnose and monitor patients with methylmalonic acidemia.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Tuesday morning    
Performed stat? No
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