COVID-19 information for patients and families

To help protect our people, patients and communities, we are screening everyone who enters our main hospital buildings. Some of our entrances may be closed or have reduced access.

Please check our COVID-19 information page for more updates before coming to our sites.

Text size: a a a

Laboratory Medicine

Test catalogue

Zinc Protoporphyrin (ZPP)

Test Name

Zinc Protoporphyrin (ZPP)

Navy Tube Specimen Type / Requirements

Container Type = 1 Royal Blue Top (K2-EDTA)

Minimum Volume = 6 ml Whole Blood

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect K2-EDTA blood in contaminant-free tube. Specimen must be analyzed within 5 days of collection. It is recommended that Lead be ordered simultaneously to detect lead exposure. ZPP may not be a good indicator of lead exposure in women and children. Write your initials, date and time of collection on the collection label.

Laboratory Staff Instructions: Whole blood is required. Do not spin.

Rejection Criteria: Serum, plasma and Unlabeled samples will be rejected.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

10 Days

Test Utilization

Reference Value

1m - < 6m: < 538 mg/kg

6m - < 3y: < 214 mg/kg

3y - < 4y: < 75 mg/kg

4y - 1 7y: < 50 mg/kg

>or= 18y: < 50 mg/kg

Test Code




Testing Location

Referred Out – ON, Canada (ROICL02)

Other Information

Last Updated: June 06, 2019