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Performing Laboratory

Maine Health and Environmental Testing Laboratory

Useful For

Detecting lead in children 6 years or younger

Method Name

Atomic Absorption-Graphite Furnace

Reference Values

REFERENCE RANGE FOR CHILDREN (under 6 years of age):

<5 µg/dL – Normal
5-9 µg/dL – Confirm with venous lead in 3 months, retest in 3 monhs

10-14 µg/dL – Confirm with venous lead in 1 months, retest in 3 months

15-19 µg/dL – Confirm with venous lead in 1 months, retest in 2 months

20 – 44 µg/dL – Confirm with venous lead in 1 months, retest in 1 months

≥ 45 µg/dL – Medical Intervention Needed, Please call MCLPP, (207) 287- 4311


5 µg/dL per CDC/NIOSH guidelines – Normal

≥ 25 µg/dL Must be reported to the Maine Occupational Disease Registry,(207)287-5378

Days and Times Test Performed

1 day weekly

Analytic Time

7 Days

Specimen Type

Whole Blood

Preferred Container

Lavender Top Tube (EDTA)

Preferred Volume

Whole Blood: 0.5 mL (Lavender Top Tube (EDTA))

Minimum Volume

Whole Blood: 0.3 mL (Lavender Top Tube (EDTA))

Specimen Collection and Handling

1. Mix sample well after collection and send specimen refrigerated.

2. Please include source of draw (VENOUS or CAPILLARY) on request form.

3. A Lead Testing Form must accompany all specimens. Complete form prior to printing.

Click here to view the Maine State HETL Lead Form

Add On Capable


Advance Beneficiary Notice Requirements

This test, when ordered on Medicare patients, is subject to the National Coverage Determination (NCD) policies. Please verify that the diagnosis code (ICD code) you have chosen demonstrates medical necessity for the test as documented in the physician’s patient record. The CMS web site is available to assist you with this verification. A properly executed Advance Beneficiary Notice (ABN) must be submitted with the specimen if medical necessity is not demonstrated by the ICD code chosen.

CPT Code Information

CPT Code

CPT Description

CPT Disclaimer

83655 Lead, Quantitative

Acceptable Alternative Container(s)

Dark Green Top Tube (Lithium Heparin)

Green Top Tube (Sodium Heparin)

LOINC Code Information




Performing Laboratory Location

Maine Health and Environmental Testing Laboratory