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Lead, Venous Blood Pediatric

CPT 83655
Synonyms
  • Pb, Blood

Test Details

Methodology

Atomic absorption spectrometry (AAS) or inductively coupled plasma/mass spectrometry (ICP/MS)

Result Turnaround Time

1 - 4 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Related Information

Related Documents

Use

Monitor environmental lead exposure in children younger than 16 years.

Limitations

This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration.

Footnotes

1. Centers for Disease Control and Prevention. Preventing Lead Poisoning in Young Children: A Statement by the Centers for Disease Control. Atlanta, Ga: CDC;1991.
2. Low Level Lead Exposure Harms Children: A Renewed Call for Primary Prevention. Report of the Advisory Committee on Childhood Lead Poisoning Prevention of the Centers for Disease Control and Prevention. January 4, 2012.

Custom Additional Information

The Centers for Disease Control and Prevention recommends the following testing schedule for children with elevated BLLs (blood lead levels) on a screening test.2 See table.

Blood Lead Levels (CDC)

Blood

(μg/dL):

Time to Confirmation Testing:

*The higher the BLL on the screening test, the more urgent the need for confirmation testing.

Reference value-9

1 to 3 m

10−45

1 wk to 1 m*

45−59

48 h

60−69

24 h

≥70

Urgently as emergency test

Specimen Requirements

Specimen

Whole blood

Volume

1 mL (venous)

Minimum Volume

0.5 mL (venous)

Container

Royal blue-top (EDTA) tube or tan-top lead-free tube; submit original tube.

Collection Instructions

Mix blood thoroughly to avoid clotting.

Stability Requirements

Temperature

Period

Room temperature

14 days

Refrigerated

14 days

Frozen

14 days

Freeze/thaw cycles

Stable x2

Reference Range

Environmental exposure: 0 to 15 years: 0.0−3.4 μg/dL1

Storage Instructions

Maintain specimen at room temperature.

Causes for Rejection

Capillary specimen in Microtainer tubes; clotted specimen

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
717009 Lead, Blood (Pediatric) 77307-7 007030 Lead, Blood (Peds) Venous ug/dL 77307-7
Order Code717009
Order Code NameLead, Blood (Pediatric)
Order Loinc77307-7
Result Code007030
Result Code NameLead, Blood (Peds) Venous
UofMug/dL
Result LOINC77307-7