Amino Acids (Quantitative), CSF

Diagnostic Use

Analysis is designed primarily for the investigation and monitoring of inherited disorders of amino acid metabolism, in conjunction with plasma amino acids.

Patients with non-ketotic hyperglycinemia (NKH) generally have an elevated CSF glycine, and always have an elevated CSF glycine:plasma glycine ratio. The plasma and CSF samples should be collected at the same time.

Urine amino acids are also useful for diagnosis of NKH and other amino acidurias.

Department

Specialist Biochemistry

Delphic Registration Code

CQAA

Laboratory Handling

Laboratory

Centrifuge, separate and FREEZE. Please note on form if any blood was present.

Test Adds

Frozen 14 days

Synonyms

AA (Quantitative)
Glycine CSF (Quantitative)
Glycine CSF (Quantitative)
Phenyalanine CSF Quantitative
Tyrosine CSF Quantitative
Tyrosine CSF Quantitative
aminoacids

Turnaround Time

14 days

Test Code

4888

Specimen Type

• CSF

Specimen Requirements

Tube/Container Type:

Preferred

• Pottle

Paediatric Specimen Requirements

Tube/Container Type:

Preferred

• Pottle

Preferred Sample Volume (ml)

0.1

Additional Specimen Information

Deliver to lab on ice and store in the FREEZER on arrival.

Aliquot Instructions

Minimum Volume (ml)

0.3

Transport to Lab

Frozen

Additional Referral/Aliquot Information

Aliquot Instructions - 0.3 mL CSF centrifuged supernatant and then store in the FREEZER. Please note on form if any blood was present.

Test Method

Waters Acquity Amino Acid Analyser.

Pre-column derivatisation with reverse phase separation

Non-Funded Test Cost

$142.45 (Exclusive of GST)

Billing Code

4889

Some clinical details required.

CSF must be clear - not blood stained. If blood stained please state on form, and notify Paediatric Lab.

A serum amino acid sample is required at the same time for a CSF/plasma glycine.

Contact Information

Enquiry Form

Contact Information

Enquiry Form