category: Biospecimen
description: A physical sub-part of any sample.
links:
- label: Portion references the Sample it is derived from.
  name: Sample
  required: 'True'
properties:
  creation_datetime:
    cde_id: 5432592
    description: The datetime of portion creation encoded as seconds from epoch.
    required: 'False'
    source: caDSR
    term_url: https://cadsr.cancer.gov/onedata/dmdirect/NIH/NCI/CO/CDEDD?filter=CDEDD.ITEM_ID=5432592%20and%20ver_nr=1.0
    type: Integer
  is_ffpe:
    cde_id: 4170557
    description: Indicator to signify whether or not the tissue sample was fixed in
      formalin and embedded in paraffin (FFPE).
    enum:
    - 'true'
    - 'false'
    required: 'False'
    source: caDSR
    term_url: https://cadsr.cancer.gov/onedata/dmdirect/NIH/NCI/CO/CDEDD?filter=CDEDD.ITEM_ID=4170557%20and%20ver_nr=1.0
    type: Enumeration
  portion_id:
    key: 'yes'
    required: 'False'
    type: String
  portion_number:
    cde_id: 5432711
    description: Numeric value that represents the sequential number assigned to a
      portion of the sample.
    required: 'False'
    source: caDSR
    term_url: https://cadsr.cancer.gov/onedata/dmdirect/NIH/NCI/CO/CDEDD?filter=CDEDD.ITEM_ID=5432711%20and%20ver_nr=1.0
    type: Integer
  portion_submitter_id:
    key: 'yes'
    required: 'False'
    type: String
  project_id:
    key: 'yes'
    required: 'False'
    type: String
  project_submitter_id:
    key: 'yes'
    required: 'False'
    type: String
  sample_id:
    key: 'yes'
    required: 'False'
    type: String
  sample_submitter_id:
    key: 'yes'
    required: 'False'
    type: String
  weight:
    cde_id: 651
    description: Numeric value that represents the sample portion weight, measured
      in milligrams.
    required: 'False'
    source: caDSR
    term_url: https://cadsr.cancer.gov/onedata/dmdirect/NIH/NCI/CO/CDEDD?filter=CDEDD.ITEM_ID=651%20and%20ver_nr=4.0
    type: Number
title: Portion
type: object
uniqueKeys:
- - portion_id
  - portion_submitter_id