She surrendered to police Wednesday and is being held on a $25,000 bond. Court records do not list an attorney.
Her next court appearance is Wednesday.
Police had not said exactly when or how the boy died. Investigators believe the boy last attended school in late May.
Police found the boy’s body on Dec. 23.
Prosecutors have charged a woman in the death of her 7-year-old son after the boy’s body was discovered in a storage unit.
Elisha Pankey was formally charged Monday with child abuse resulting in the death of Caden McWilliams and abuse of a corpse. Denver District Attorney Beth McCann called McWilliams’ death a “terrible tragedy.”
Pankey, 43, remains in the Denver jail on $25,000 bond.
Online court records do not list an attorney for Pankey. A judge has sealed all records in the case, including a document laying out the reasons for Pankey’s arrest.
Police have not released any information about when the boy was determined to be missing. Denver police found his body on Dec. 23.
Authorities also have not said when or how the boy died.