SPRINGFIELD, Mo. -- Walmart’s corporate headquarters in Bentonville, Ark., told its stores across the country to pull and hold a specific lot number of Enfamil baby formula.  The company says it made the move out of an abundance of caution after a 10-day-old infant died from a rare bacterial infection.

Tests are underway on the infant formula that Avery Cornett was being fed, the water used to mix it, and the environmental conditions in which it was mixed.

The product pulled from Walmart’s shelves is Enfamil Newborn formula in 12.5-ounce cans.  The lot number is ZP1K7G.

"Walmart customers who may have purchased the item at our stores can return it for a full refund or exchange it for another brand formula," said Dianna Gee, a spokesperson for Walmart.

Parents with questions about the formula can also call the Mead Johnson Nutrition, the manufacturer, at 1-800-BABY-123.  They can also call their doctors with questions about which formulas are right for their babies.

The maker of Enfamil says it tested that particular batch of formula consumed by the infant who died from Lebanon.

"That batch was tested for cronobacter, and it came out negative, and we've gone back and reconfirmed that in our records," said Chris Perrille, a spokesperson for Mead Johnson Nutrition, the company that makes Enfamil.

The baby started showing signs of bacterial meningitis last Friday.  He died on Sunday at a hospital in Springfield.  Funeral services are set for Thursday evening at the Holman Howe Funeral Home in Lebanon.

(CNN) -- Wal-Mart says it has recalled a quantity of infant formula this week after a baby died in Missouri.

"We extend our deepest condolences to this baby boy's family as they try to come to grips with their loss," said Dianna Gee, a Wal-Mart spokeswoman. " As soon as we heard what happened, we immediately reached out to the manufacturer of the formula and to the Department of Health and Senior Services to provide any information we may have to help with the investigation."

Wal-Mart said it is pulled a batch of Enfamil from its stores nationwide that matched the size and lot number of the formula that may have sickened the baby in Missouri, Gee said.

That lot number is ZP1K7G. The baby formula was purchased from a Wal-Mart in Lebanon, Missouri. After the purchase, a 10-day-old infant died from a rare bacterial infection, CNN affiliate KYTV reported.

Authorities are running tests to determine if the death came from the formula, the water to make the formula or any other factor, said Mead Johnson Nutrition, the company that makes Enfamil.

"We are highly confident in the safety and quality of our products -- and the rigorous testing we put them through," said Chris Perille, a Mead Johnson Nutrition spokesman.