Lead & Zinc Protoporph/Heme Ratio

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General Information

Lab Name
Pb and ZPPH
Lab Code
PBGRP
Epic Ordering
Lead Level w/ZPPH
Description

Use: Increased ZPPH levels can be observed in iron deficiency and chronic lead poisoning.

Synonyms
Chronic lead poisoning, PB
Components

Interpretation

Method

Hematofluorometry

Reference Range
See individual components
Guidelines

Ordering & Collection

Specimen Type
Blood
Collection

Preferred: 7 mL blood in ROYAL BLUE (Na2 EDTA) TOP tube.
Also acceptable: LAVENDER or GREEN TOP
Unacceptable: Spun Gel separator tubes

Handling Instructions
Quantity
requested: entire tube
minimum: 0.5 mL wbld

Processing

Processing

Specimen MUST be at Room Temperature to aliquot for ZPPH. Mix on ROCKER for 5 minutes then aliquot 1 mL whole blood into plastic vial for ZPPH. Re-stopper ROYAL BLUE for LEAD
Refrigerate both whole blood samples after aliquoting.

Performance

LIS Dept Code
Chemistry, University (CHU)
Performing Location(s)
HMC Chemistry, Special
206-520-4600

325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420

UW-MT Chemistry, Special
206-520-4600

Clinical Lab, Room NW220,
University of Washington Medical Center,
1959 NE Pacific street, Seattle, WA 98195

Frequency
PB: TuesdayZPPH: Monday-Friday
Available STAT?
No

Billing & Coding

CPT codes
83655, 84202
LOINC
29763-0
Interfaced Order Code
UOW1621