Amino Acids (Dried Blood Spot)

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Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

BGA

Test Code (Numeric Code)

6261

Laboratory Handling

Phlebotomy

1 Spot on Guthrie Card (Random)

Transport

Dried Blood Spots to be left at ambient temperatures.

Laboratory

LabPLUS Biochemical Genetics

Sample Stability

These can be tested and remain stable for 2 weeks. Record any delays on the request form.

Synonyms

Maple Syrup Urine Disease, MSUD, Leucine. Phenylalanine, Phenylketonuria, PKU

Turnaround Time

1 week

Between 2 days and 1 week. Test is available urgently, if required contact laboratory on ext. 22016 or via LabLink.

Specimen Type

  • Guthries Card

Specimen Requirements

Tube/Container Type:

Preferred
  • N/A
Acceptable
  • N/A

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • N/A
Acceptable
  • N/A

Additional Specimen Information

Plasma is appropriate if the patient has symptoms consistent with MSUD. See Amino Acids (Blood).

Last updated: 18/08/2026