Pathology Handbook

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Alternative Names:

CSF HVA
5-HIAA and metabolites (as part of Phenylalanine Challenge Test)
Homovanillic acid CSF;HVA

Laboratory:

Clinical Biochemistry

Test Code:

CSFHVAHIAA

Specimen Types:

Cerebrospinal Fluid

Container Types:

See Under Collection Instructions

Collection & Request Instructions:

CSF Microtube

Collected as part of Phenylalanine Challenge Protocol

Sets of five CSF Microtubes can be collected from the Chemical Pathology Registrar (stored in office, on shelf in box marked "CSF Microtubes")

Transport Instructions between Sites and/or Laboratories:

Microtubes must be collected onto Ice slurry and delivered immediately to specimen reception.

Assay Frequency:

Daily

External Laboratory:

The Children's Hospital at Westmead

Additional Notes:

Only approved as part of a Phenylalanine Challenge Test performed by the Movement Disorders Team