Laboratory Test Reference Guide

Laboratory Information

Test Name

Porphyrin Screen faeces

Synonyms

Faecal porphyrin screen

External Price (excl. GST)

37.57

Specimen Collection

Adult Specimen

Grape size fresh random faeces. Protect from light.

Instructions for Referral to Waikato Lab

Aliquot instructions

If other faecal tests are requested, please send a separate aliquot for porphyrin analysis.

Aliquot Transport

Frozen, protect from light

Test Information

Department

Biochemistry

Test Availability

Weekly

Laboratory Turnaround Time

1 week

Method

Extraction followed by spectrophotometry

Reference interval

Negative (screen only)

Reference interval Attachments

Additional Information

This is a screen test only. All screen positive specimens will be forwarded to Labplus for confirmation by HPLC.

Porphyria screening requires testing of urine, faeces and blood, ideally collected when symptomatic.

Electronic Information

Registration Code

PORS

HL7 mapping code

$PORS