Test Code LAB10234 METHYLMALONIC ACID, 2-METHYLCITRIC ACID, 3-HYDROXY PROPIONIC ACID
Aliases
MMA Group
Performing Section
Biochemical Genetics
Specimen Type
Serum or Plasma:
Green Top -Lithium Heparin (Preferred)
Dark Green Top – Sodium Heparin
Red Top -Plain
Gold Top -SST
Specimen Volume
Preferred: 3.0 mL
Minimum: 0.6mL
Processing Instructions
Green or Gold top-CENTRIFUGE per procedure / Red Top – Clot 60 minutes in upright position
Pipette off plasma or serum into pour off tube
Attach original tube to pour off tube with rubber band
Store and ship sample Frozen on dry ice.
Temperature
Frozen (dry ice)
TAT
7 days
Test Components
Methylmalonic Acid
2-Methylcitric Acid
3-Hydroxypropionic Acid
CPT
83921 x3
Sample Stability
Frozen: 8 Weeks
Reference Range
Methylmalonic Acid0-1 year: <=0.6 mcmol/L
1 year and up: <=0.4 mcmol/L
2-Methylcitric Acid
0-1 year: <=0.7 mcmol/L
1 year and up: <=0.5 mcmol/L
3-Hydroxypropionic Acid
0 to 1 year: <=9.4 mcmol/L
1 year and up: <=6.0 mcmol/L