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Test Code ZPP Zinc Protoporphyrin

Important Note

This is not Zinc,RBC; for Zinc, RBC contact send outs. Acceptable to share ZPP with spun Green or EDTA tube if gel is not present. Handle plasma aliquots first and save spun red cell for ZPP testing.

Clinical System Name

Zinc Protoporphyrin

Synonyms

Erythrocyte Protoporphyrin
FEP
Free Erthyrocyte Protoporphyrin
ZPP
ZPPH

Sample Requirements

Specimen: Whole Blood

Container(s): Lavender/EDTA or Dark Green/Sodium Heparin or Dark Blue/EDTA Trace Element Tube

Preferred Vol: 0.5 mL

Minimum Vol: 1 Lavender/EDTA Microtainer

 

Note: Indicate diagnosis if known.Gel separator tubes are unacceptable.

Processing Instructions

Reject due to:

Spin: N

Aliquot: N

Temp: 2 - 4 C

Storage location: CPA fridge

 

Off-site collection:

Stability

Specimen Type Temperature Time
Whole Blood Room temp  5 d
  Refrigerated  1 m
  Frozen   N

 

Availability

STAT Performed TAT
Must have Lab Med Resident approval to be run stat M - F 7 d

 

Performing Laboratory

Harborview Medical Center

Department

Department:  

Harborview Medical Center

Room GWH47; 523 9th Ave
Seattle, WA 98104
 

Phone Number: (206) 744-3451

 

CPT Codes

84202

Methodology

Method: Hematofluorescence

Analytical Volume: 0.2 mL whole blood

Limitations:

Reference Range

 

  uMol ZPP/Mol Heme
0m- 30-80

 

Send Out Instructions

 

Reference Test Name: Zinc Protoporphyrin / Heme Ratio
Reference Test Number: ZPPH
Instructions: Send out Monday thru Friday with the UW courier. Keep a copy of the Batch Sheet for our records.