She was also not present to hear the final verdicts from the jury last week.
Speculation over whether Letby, 33, would actually appear before judge Mr Justice Goss today has been rife in recent days.
Speaking after the verdicts were returned, the judge said: ‘The sentencing hearing will of course take place whether she is present or not.
Danmark Seneste Nyt, Danmark Overskrifter
Similar News:Du kan også læse nyheder, der ligner denne, som vi har indsamlet fra andre nyhedskilder.
Lucy Letby 'would have been stopped sooner if she wasn’t white' says nursing leaderDr Ravi Jayaram and other whistleblowers raised the alarm in 2015, but were ignored and reprimanded by management
Læs mere »
Lucy Letby faces 24-hour suicide watch as she faces life term for baby murdersThe killer nurse faces constant checks to avoid her taking own life before being sentenced, prison official said.
Læs mere »
Lucy Letby due to be sentenced as police fear she harmed 30 other babiesThe former nurse has indicated she won't appear in court in person, prompting calls for new laws to be introduced
Læs mere »
Childhood friend of Lucy Letby insists 'bubbly' baby killer is innocentShe is one of many friends who support Lucy Letby.
Læs mere »
Forensic psychologist gives verdict on serial baby killer Lucy Letby's crimesProfessor Mike Berry compared the cases of killers Lucy Letby and Beverley Allitt, known as the 'Angel of Death'.
Læs mere »