Lead and Protoporphyrin (FEP/ZPP), Whole Blood (Pediatric)

CPT: 83655; 84202
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Test Details

Synonyms

  • FEP/ZPP
  • ZPP/Lead, Pediatric

Test Includes

Lead, blood; protoporphyrin, free erythrocyte; and zinc protoporphyrin

Use

Monitor lead exposure in children younger than 16 years of age

Methodology

Lead: atomic absorption spectrometry (AAS); ZPP: fluorometry

Reference Interval

See individual tests.

Additional Information

See individual tests.

Specimen Requirements

Specimen

Whole blood

Volume

0.5 mL (capillary) or 3 mL (venous)

Minimum Volume

0.5 mL

Container

Royal blue-top (EDTA) tube or tan-top lead-free tube

Patient Preparation

For capillary puncture, wash puncture site thoroughly to minimize skin contamination.

Collection

Mix blood thoroughly to avoid clotting.

Storage Instructions

Maintain specimen at room temperature.

Stability Requirements

Temperature

Period

Room temperature

14 days

Refrigerated

14 days

Frozen

14 days

Freeze/thaw cycles

Stable x2

Causes for Rejection

Clotted specimen

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
717033 Lead/Protoporphyrin, Pediatric 007030 Lead, Blood (Peds) Venous ug/dL 5671-3
717033 Lead/Protoporphyrin, Pediatric 717011 Protoporphyrin Free (FEP) ug/dL 2892-8
717033 Lead/Protoporphyrin, Pediatric 717010 Zinc Protoporphyrin ug/dL 2895-1

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The LOINC® codes are copyright © 1994-2017, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf