If the patient has multiple primaries, then the age at diagnosis may be different for subsequent primaries.
In utero Date of Initial Diagnosis (NAACCR Item #390) was coded as equal to the Date of Birth (NAACCR Item #240) in the past. Beginning in 2009, assignment is to the pre-birth date on which the diagnosis occurs. Age at Diagnosis is assigned 000 for these cases.
For compliance with HIPAA privacy requirements, all patients age 90 or over at diagnosis are shown as 090.
|000||Less than one year old, or diagnosed in utero|
|001-089||One to eighty nine years old|
|090||Ninety or older|
|999||Age at diagnosis unknown|