# Available Keys and Operators in List
In List (/viewer/#/list), the following keys can be used as search criteria.
Also, if you use more than one parameter, please insert "&" between each parameter.
| Item | Key | Example |
|---|---|---|
| Study Instance UID | studyinstanceuid | studyinstanceuid=1.2.392.200224.2.3000.8001 |
| Series Instance UID | seriesinstanceuid | seriesinstanceuid=1.2.392.200224.3.3000.8002 |
| SOP Instance UID | sopinstanceuid | sopinstanceuid=1.2.392.200224.3.3000.8003 |
| Patient ID | patientid | patientid=12345 |
| Patient Name | patientname | patientname=john |
| Patient Comments | patientcomments | patientcomments=something |
| Patient Birth Date | patientbirthdate | patientbirthdate=1990/04/01 |
| Patient Sex | patientsex | patientsex=m |
| Study Description | studydescription | studydescription=something |
| Study ID | studyid | studyid=123456 |
| Study Date | studydate | studydate=2018/01/23 |
| Study Time | studytime | studytime=10:56:20 |
| Accession Number | accessionnumber | accessionnumber=20180123001 |
| Series Number | seriesnumber | seriesnumber=1 |
| Series Date | seriesdate | seriesdate=2018/01/23 |
| Series Time | seriestime | seriestime=10:56:20 |
| Series Description | seriesdescription | seriesdescription=something |
| Modality | modality | modality=mr |
| Body Part Examined | bodypartexamined | bodypartexamined=knee |
In List (/viewer/#/list), you can use the following operators.
| Item | Operator |
|---|---|
| Equal | = or === |
| Not Equal | =!= |
| Greater Than | =>> |
| Greater Than Or Equal | =>= |
| Less Than | =<< |
| Less Than Or Equal | =<= |
| Contains | =** |
# Exception
For item of Patient ID & Modality, OR search is available by specifying as follows.
patientid=1234&patientid=5678
modality=cr&modality=ct
For item of StudyDate, Range search is available by specifying as follows.
studydate==~2013/11/25~2016/08/31
For item of StudyDate, you can specify special values like followings.
studydate=today
studydate=yesterday
studydate=pastweek
studydate=pastmonth