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Regional Medical Lab
Test Directory


Lead and Zinc Protoporphyrin (ZPP)

Order Name LEAD ZPP
Test Number: 3800725
Revision Date 10/12/2018
Test Name Methodology LOINC Code
Lead Level
Inductively-Coupled Plasma/Mass Spectrometry 5671-3 
Zinc Protoporphyrin Level
Hematofluorometry (H) 2895-1 
Zinc Protoporphyrin Ratio
Calculation 29763-0 
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 3 mL (2 mL) EDTA Whole Blood Royal Blue - EDTA (Trace Element Free) Refrigerated
Alternate 1 3 mL (2 mL) EDTA Whole Blood EDTA K2 (Tan-Top tube) Refrigerated
Instructions Collect from patient aged 16 years or older.
Unacceptable Conditions: Serum. Heparinized, hemolyzed or clotted specimens. Specimens collected in tubes other than Royal Blue (EDTA) or Tan (K2EDTA).
Stability: Ambient: 30 hours; Refrigerated: 5 weeks; Frozen: Unacceptable

(Light Protection no longer required)
Testing Schedule Sun-Sat  
Expected TAT 1-5 days from set up  
Clinical Use Recommended for the assessment of industrial lead exposure in adults and provides exposure guidance in accordance with OSHA regulations. 
Notes Reference Lab: ARUP
Test Code: 25016
Click Here to view information on the ARUP website.
CPT Code(s) 84202, 83655
Lab Section Reference Lab