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NCI Thesaurus
C20181
C25638
C25638
Level 2
Reason
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/api/v1/systems/nci_thesaurus/nodes/C25638
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C101700
Reason for Direct Part Exempt Marking
C102702
Reason for Treatment
C102703
Reason for Treatment Interruption
C102704
Reason Treatment Not Administered
C102721
Treatment Failure Reason
C103160
Subject Exclusion Reason
C105756
Serious Adverse Event Reason
C106471
Scheduled by Mistake
C106473
Incorrect Booklet Given
C106476
Protocol Misinterpreted
C107524
Scheduled By Doctor
C107525
Needed Help
C107526
Concerned I Would Develop Symptoms
C117057
Reason for Exclusion from Statistics
C125614
Inconsistency Due to Macrodissection
C127109
Invalid Reason
C153580
Incomplete, Incorrect or Alternative Diagnosis Code Assigned
C16390
Etiology
C166267
Unknown Status Reason
C166276
Reason Off Treatment
C169005
Reason Off Protocol
C171003
Reason for Assessment
C182096
Suspected Reason for Disease Response
C182242
Reason for Re-Biopsy
C182243
Reason for Biopsy
C185653
Reason for Medication Administration
C185959
Reason for Subject Withdrawal from Study
C201308
Study Activity is Conditional Reason
C201310
Study Activity is Optional Reason
C201327
Study Procedure is Conditional Reason
C201329
Study Procedure is Optional Reason
C201876
Reason for End of Data Collection
C201992
Condition Stop Reason
C204539
Health Benefit Plan Stop Reason
C207457
Study Amendment Reason
C207462
Reason Administration Duration Will Vary
C217010
Reason Duration Will Vary
C221791
Reason Arm and/or Actual Arm has Null Value
C49627
Reason for Study Discontinuation
C69216
Reason For Procedure
C71479
Variance Reason
C82555
Dose Adjustment Reason
C82556
Not-Done Reason
C93529
Change Reason
C93597
Missed Reason
C93665
Revision Reason
C95350
Value Null Flavor Reason
C96149
Pause Description
C99097
Reason for Narrative
C99674
Reason for Denial
C99982
Medical Condition or Procedure Affects Implantation Site
Cross-system equivalences
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