Methylmalonic Acid, Plasum (Plasma / Serum)

Diagnostic Use

Vitamin B12 deficiency

Department

Specialist Biochemistry

Delphic Registration Code

MMA

Synonyms

MMA

Turnaround Time

10 days

Test Code

3179

Specimen Type

• Serum
• Plasma

Specimen Requirements

Tube/Container Type:

Preferred

• Serum (Red Cap)

Preferred if West Coast

• SST II (Gold Cap)

Acceptable

• SST II (Gold Cap)
• Lithium Heparin - Non-gel (Green Cap)
• Lithium Heparin - Gel (Light Green Cap)

Preferred Sample Volume (ml)

5.0

Paediatric Specimen Requirements

Tube/Container Type:

Preferred

• Serum (Red Cap)

Acceptable

• SST II (Gold Cap)
• Lithium Heparin - Non-gel (Green Cap)
• Lithium Heparin - Gel (Light Green Cap)

Preferred Sample Volume (ml)

1.0

Aliquot Instructions

Sample Type

• Serum
• Plasma

Minimum Volume (ml)

0.3

Transport to Lab

Chilled (2 - 8 degrees Celsius)
If overnight - Frozen

Additional Referral/Aliquot Information

2.0 mL plasma or serum 0.3 mL minimum. MMA is very stable even kept at 20C for several days

Reference Intervals

<0.4 umol/L

Test Method

LC tandem mass spectrometry

Non-Funded Test Cost

$120.54 (Exclusive of GST)

Billing Code

3179

Used to assess Vitamin B12 status.

Contact Information

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