2177 Zinc Protoporphyrin

Specimen:

Collect:

One 4 mL Lavender (EDTA)

Also Acceptable
One 4 mL Green Top (Li Heparin)

Submit:

4 mL (Min:1 mL) Whole blood. Submit Refrigerated.

Special Handling:

Protect from Light

Rejection Criteria:

Clotted Specimen
Grossly Hemolyzed Samples

Stability:

Ambient: 1 Day(s); Refrigerated: 1 Week(s); Frozen: Unacceptable; Incubated: Unacceptable

Methodology:

Fluorometry

Performed:

Wednesday, Friday

Reported:

2-5 Day(s)

CPT Codes:

84202 - Protoporphyrin, RBC; Quant

Interpretive Data:

General Reference Range : 0-70 ug/dL

Male Reference Ranges
0 - 15 year(s)	:	0-35 ug/dL
15 - 150 year(s)	:	0-70 ug/dL

Female Reference Ranges
0 - 15 year(s)	:	0-35 ug/dL
15 - 150 year(s)	:	0-70 ug/dL

PLEASE NOTE: Zinc protoporphyrin reference ranges are based on the OSHA standards for lead and zinc protoporphyrin surveillance programs. If the patient is under fifteen years old the reference range is <35 ug/dl.

Zinc protoporphyrin is most useful in diagnosis of lead exposure and iron deficiency. Zinc protoporphyrin levels between 35 and 80 are of indeterminate significance when lead levels are not elevated and iron studies are normal.