Children who live in the following cities and townships must receive a blood lead test between 48 months to 60 months of age (age 4).
All children living in the jurisdictions listed below must be tested for lead in blood at age 4. These jurisdictions have been designated by the Michigan Department of Health and Human Services (MDHHS) as high risk for lead exposure, as required by law (MCL 333.5457d). This list can also be found in the administrative rules (R 330.301-333.304). The methodology MDHHS used to identify these high-risk jurisdictions is available at MDHHS High-Risk Methodology.
| City/Township | County |
| City of Adrian | Lenawee |
| City of Albion | Calhoun |
| City of Allegan | Allegan |
| City of Bad Axe | Huron |
| City of Battle Creek | Calhoun |
| City of Bay City | Bay |
| City of Belding | Ionia |
| City of Benton Harbor | Berrien |
| Benton Township | Berrien |
| Bridgeport Township | Saginaw |
| City of Bronson | Branch |
| Buena Vista Township | Saginaw |
| Calumet Township | Houghton |
| City of Cato Township | Montcalm |
| City of Coldwater | Branch |
| Colon Township | Saint Joseph |
| Constantine Township | Saint Joseph |
| City of Croswell | Sanilac |
| Curtis Township | Alcona |
| City of Detroit | Wayne |
| City of Dowagiac | Cass |
| City of Eastpointe | Macomb |
| City of Ecorse | Wayne |
| City of Escanaba | Delta |
| City of Evart | Osceola |
| City of Flint | Genesee |
| Galien Township | Berrien |
| City of Gladstone | Delta |
| City of Grand Rapids | Kent |
| City of Greenville | Montcalm |
| City of Hamtramck | Wayne |
| City of Harper Woods | Wayne |
| City of Hartford | Van Buren |
| City of Highland Park | Wayne |
| City of Hillsdale | Hillsdale |
| City of Homer Township | Calhoun |
| City of Hudson | Lenawee |
| City of Imlay City | Lapeer |
| City of Inkster | Wayne |
| City of Ionia | Ionia |
| City of Ironwood | Gogebic |
| City of Ishpeming | Marquette |
| City of Ithaca | Gratiot |
| City of Jackson City | Jackson |
| City of Kalamazoo | Kalamazoo |
| Lagrange Township | Cass |
| City of Lansing | Clinton, Eaton, Ingham |
| Lansing Township | Ingham |
| City of Lapeer | Lapeer |
| Leoni Township | Jackson |
| City of Lincoln Park | Wayne |
| City of Ludington | Mason |
| City of Manistee | Manistee |
| Maple Valley Township | Montcalm |
| Medina Township | Lenawee |
| City of Menominee | Menominee |
| City of Monroe | Monroe |
| City of Morenci | Lenawee |
| City of Mount Clemens | Macomb |
| City of Mount Morris | Genesee |
| City of Muskegon | Muskegon |
| City of Muskegon Heights | Muskegon |
| City of Niles | Berrien, Cass |
| City of Owosso | Shiawassee |
| Paw Paw Township | Van Buren |
| Pokagon Township | Cass |
| City of Pontiac | Oakland |
| City of Port Huron | Saint Clair |
| Port Huron Township | Saint Clair |
| City of Reed City | Osceola |
| City of River Rouge | Wayne |
| City of Saginaw | Saginaw |
| City of Saint Louis | Gratiot |
| City of Scottville | Mason |
| City of Springfield | Calhoun |
| City of Stanton | Montcalm |
| City of Sturgis | Saint Joseph |
| Summit Township | Jackson |
| City of Three Rivers | Saint Joseph |
| Union Township | Branch |
| City of Wayne | Wayne |
| Wright Township | Hillsdale |
| County | City/Township |
| Alcona | Curtis Township |
| Allegan | City of Allegan |
| Bay | City of Bay City |
| Berrien | City of Benton Harbor |
| Berrien | Benton Township |
| Berrien | Galien Township |
| Berrien | City of Niles |
| Branch | City of Bronson |
| Branch | City of Coldwater |
| Branch | Union Township |
| Calhoun | City of Albion |
| Calhoun | City of Battle Creek |
| Calhoun | City of Homer Township |
| Calhoun | City of Springfield |
| Cass | City of Dowagiac |
| Cass | Lagrange Township |
| Cass | City of Niles |
| Cass | Pokagon Township |
| Clinton | City of Lansing |
| Delta | City of Escanaba |
| Delta | City of Gladstone |
| Eaton | City of Lansing |
| Genesee | City of Flint |
| Genesee | City of Mount Morris |
| Gogebic | City of Ironwood |
| Gratiot | City of Ithaca |
| Gratiot | City of Saint Louis |
| Hillsdale | City of Hillsdale |
| Hillsdale | Wright Township |
| Houghton | Calumet Township |
| Huron | City of Bad Axe |
| Ingham | Lansing Township |
| Ingham | City of Lansing |
| Ionia | City of Belding |
| Ionia | City of Ionia |
| Jackson | City of Jackson |
| Jackson | Leoni Township |
| Jackson | Summit Township |
| Kalamazoo | City of Kalamazoo |
| Kent | City of Grand Rapids |
| Lapeer | City of Imlay City |
| Lapeer | City of Lapeer |
| Lenawee | City of Adrian |
| Lenawee | City of Hudson |
| Lenawee | Medina Township |
| Lenawee | City of Morenci |
| Macomb | City of Eastpointe |
| Macomb | City of Mount Clemens |
| Manistee | City of Manistee |
| Marquette | City of Ishpeming |
| Mason | City of Ludington |
| Mason | City of Scottville |
| Menominee | City of Menominee |
| Monroe | City of Monroe |
| Montcalm | City of Cato Township |
| Montcalm | City of Greenville |
| Montcalm | Maple Valley Township |
| Montcalm | City of Stanton |
| Muskegon | City of Muskegon |
| Muskegon | City of Muskegon Heights |
| Oakland | City of Pontiac |
| Osceola | City of Evart |
| Osceola | City of Reed City |
| Saginaw | Bridgeport Township |
| Saginaw | Buena Vista Township |
| Saginaw | City of Saginaw |
| Saint Clair | City of Port Huron |
| Saint Clair | Port Huron Township |
| Saint Joseph | Colon Township |
| Saint Joseph | Constantine Township |
| Saint Joseph | City of Sturgis |
| Saint Joseph | City of Three Rivers |
| Sanilac | City of Croswell |
| Shiawassee | City of Owosso |
| Van Buren | City of Hartford |
| Van Buren | Paw Paw Township |
| Wayne | City of Detroit |
| Wayne | City of Ecorse |
| Wayne | City of Hamtramck |
| Wayne | City of Harper Woods |
| Wayne | City of Highland Park |
| Wayne | City of Inkster |
| Wayne | City of Lincoln Park |
| Wayne | City of River Rouge |
| Wayne | City of Wayne |
