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HelpTest Code LEAD(LEDV) Lead, Venous, with Demographics, Blood
Reporting Name
Lead, Venous, w/Demographics, BIf specimen type is not known at time of order, use test code LEAD. Venous testing will be ordered by HMC upon receipt in laboratory.
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Useful For
Detecting lead toxicity in venous blood specimens
Ordering Guidance
If testing is needed on a capillary specimen, order PBDC / Lead, Capillary, with Demographics, Blood.
Specimen Required
Patient Preparation: High concentrations of gadolinium and iodine are known to potentially interfere with most inductively coupled plasma mass spectrometry-based metal tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
Supplies:
-Metal Free EDTA 3 mL Tube (T989)
-Metal Free B-D Tube (EDTA), 6 mL (T183)
Container/Tube:
Preferred: Royal blue-top BD vacutainer with EDTA blood collection tube (3 mL) (BD catalog no. 367777) (T989)
Acceptable: Royal blue-top BD Vacutainer Plus with EDTA blood collection tube (6 mL) (BD catalog no. 368381) (T183)
Specimen Volume: 2 mL
Collection Instructions:
1. See Metals Analysis Specimen Collection and Transport for complete instructions.
2. Send whole blood specimen in original tube. Do not aliquot.
Specimen Minimum Volume
0.1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole blood | Refrigerated (preferred) | 28 days |
| Ambient | 28 days | |
| Frozen | 28 days |
Specimen Type
Whole bloodDay(s) Performed
Monday through Saturday
Reference Values
<3.5 mcg/dL
Critical values
Pediatrics (≤15 years): ≥20.0 mcg/dL
Adults (≥16 years): ≥70.0 mcg/dL
Profile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| PBBV | Lead, Venous, B | No | Yes |
| DEMO8 | Patient Demographics | No | Yes |
Special Instructions
Forms
1. Lead and Heavy Metals Reporting (T491) or Lead and Heavy Metals Reporting-Spanish (T956)
2. If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.
Method Name
Inductively Coupled Plasma Mass Spectrometry (ICP-MS)
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
83655
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| PBDV | Lead, Venous, w/Demographics, B | 77307-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 65640 | Lead, Venous, B | 77307-7 |
| PTAD8 | Patient Street Address | 56799-0 |
| PTCI8 | Patient City | 68997-6 |
| PTST8 | Patient State | 46499-0 |
| PTZI8 | Patient Zip Code | 45401-7 |
| PTCN8 | Patient County | 87721-7 |
| PTPH8 | Patient Home Phone | 42077-8 |
| PTRA8 | Patient Race | 32624-9 |
| PTET8 | Patient Ethnicity | 69490-1 |
| PTOC8 | Patient Occupation | 11341-5 |
| PTEM8 | Patient Employer | 80427-8 |
| GDFN8 | Guardian First Name | 79183-0 |
| GDLN8 | Guardian Last Name | 79184-8 |
| MDOR8 | Health Care Provider Name | 52526-1 |
| MDAD8 | Health Care Provider Street Address | 74221-3 |
| MDCI8 | Health Care Provider City | 52531-1 |
| MDST8 | Health Care Provider State | 52532-9 |
| MDZI8 | Health Care Provider Zip Code | 87720-9 |
| MDPH8 | Health Care Provider Phone | 68340-9 |
| LABP8 | Submitting Laboratory Phone | 65651-2 |