Posted Date
Effective Date
Test Name
Lead, Blood
Update Type
Reference range changed
CPT Code
83655
Order Code
LEAD
REFERENCE RANGE CHANGE
Lead, Blood
Order Code: LEAD
New Order Code: LEADW
Fee Code: 33245
Effective February 15, 2022, the MLabs Toxicology laboratory will revise the blood lead reference value from 5 mcg/dL to 3.5 mcg/dL based on recent guidelines from the Centers for Disease Control and Prevention (CDC). CDC communication regarding this change can be found at https://www.cdc.gov/nceh/lead/news/cdc-updates-blood-lead-reference-value.html. There will be no change to the critical value cut off level. There will be no changes to specimen collection and handling requirements, test methodology, fee codes, or pricing for this assay.
Reference Range: <3.5 mcg/dL