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Laboratory Test Reference Guide

Laboratory Information

Test Name

Porphyrin Screen whole blood

Synonyms

blood porphyria screen
blood porphyrins

External Price (excl. GST)

37.57

Specimen Collection

Adult Specimen

Two heparin tubes non gel (dark green). Protect from light

Paediatric Specimen

1.5 mL

Sample Delivery to Lab

Protect from light

Instructions for Referral to Waikato Lab

Aliquot Transport

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

 All screen positive specimens will be forwarded to Lab Plus for confirmation by plasma fluorescence.

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

Minimum Volume

Two heparin whole blood tubes, 1.5mL in each- protected from light

Electronic Information

Registration Code

PORB

HL7 mapping code

$PORB