Zinc Protoporphyrin, (ZPP), Whole Blood


Abbrev Code:ZPPC   
Order Code:LAB1085Order Name:Zinc Protoporphyrin
Synonyms:ZPP, Clinical Monitoring
Methodology:Hematofluorometry
CPT Codes: 84202 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-4 days.


Collection Instructions

Specimen:Blood
Optimal Volume:1 mL
Minimum\Peds Volume:0.2 mL
Container:Trace Element, EDTA (DE)
Alternate Containers: Purple (EDTA)
Causes for Rejection:Frozen, hemolyzed or clotted specimens.


Processing and Shipping

Specimen Processing:1 mL, 0.2 mL minimum of whole blood. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:20605 (ZPP)


Interpretive

Reference Range:0-69 umol ZPP/mol heme
Use:

A more specific test for free protoporphyrin is Porphyrins, Serum, Total. Elevated ZPP results are seen in both early and late iron deficiency, the anemia of chronic disease, and in chronic lead poisoning and erythropoietic protoporphyria. Causes of false elevations include markedly elevated bilirubin or riboflavin and hemolyzed, clotted or improperly aliquoted specimens.

 



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