PNH Screening

Test Information

Test Name

PNH Screening


Paroxysmal Nocturnal Haemoglobinuria; CD59; CD157

Preferred Specimen

Heparin (Whole blood) & EDTA (Whole Blood)

Testing Location


Turn Around Time

2 days

Collection Information


Monday - Wednesday collection only for Whakatane region. Monday - Thursday collection only for Lakes and Bay of Plenty region. Waikato region - Monday - Thursday; Friday Main lab only before 9am.

Processing Information

Registration Code



  • DO NOT centrifuge; whole blood required
  • DO NOT share sample; dedicated tube required
  • EDTA cannot be shared with CBC

Note - HAMS test/ Acidified serum test no longer available. Recommend flow cytometry for diagnosis of PNH.


Contact Information

External Referral Information

Referral Location

Waikato Hospital Laboratory

Send Away Notes

Must reach WHL by 11am Friday

External Lab Website