Test Code LAB10449 Zinc Protoporphyrin, Blood
Useful For
Evaluating iron deficiency
Monitoring treatment and environmental intervention of chronic lead poisoning
Special Instructions
Method Name
Hematofluorometry
Reporting Name
Zinc Protoporphyrin, BSpecimen Type
Whole bloodSpecimen Required
Patient Preparation: High concentrations of gadolinium and iodine are known to interfere with most metals tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
Supplies:
-Metal Free B-D Tube (EDTA), 6 mL (T183)
-Metal Free (Lead only) EDTA Tube, 3 mL (T615)
-Microtainer (EDTA) Tube, 0.5 mL (T174)
-If ordering the EDTA trace element Vacutainer tube from BD, order catalog #368381.
Container/Tube:
Preferred: Royal blue-top BD Vacutainer Plus with EDTA blood collection tube (T183)
Acceptable: Tan-top (lead only) BD Vacutainer Plus with EDTA blood collection tube (T615) or BD Microtainer with EDTA (T174) or royal blue-top Monoject trace element blood collection tube
Specimen Volume: 1 mL
Collection Instructions:
1. See Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.
2. Send specimen in original tube.
Specimen Minimum Volume
0.3 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Whole blood | Refrigerated | 28 days |
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Reference Values
<70 mcmol ZPP/mol heme
Day(s) and Time(s) Performed
Monday through Friday; 5 p.m.
Performing Laboratory

Test Classification
This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.CPT Code Information
84202
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
NEZPP | Zinc Protoporphyrin, B | 29763-0 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
300009 | Zinc Protoporphyrin, B | 29763-0 |
Forms
1. Lead and Heavy Metals Reporting (T491) in Special Instructions
2. If not ordering electronically, complete, print, and send a Benign Hematology Test Request (T755) with the specimen.