| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | ||
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1 | Set | Category | DICOM Tag | Name | Definition | EDRN Usage Guidance | Requirement | Site Responsibility | TCIA Tag Action | Reviewer Notes | Reviewer: Will Hsu | Reviewer: Name2 | Reviewer: Name3 | Consensus Action | Discussion on June 16, 2025 Call | |||||||||
2 | Patient Identification | These need to be de-id at site and will be updated via script at JPL | ||||||||||||||||||||||
3 | Core | (0010,0020) | Patient ID | Unique identifier assigned to a patient. | Must be replaced with a study-specific ID linking back to the participant before leaving the site, as part of the de-identification procedure. For studies managed by the DMCC a BLINDED ID# will be provided by the DMCC. | Required | Blank or Set to "Anonymous" | ✏️ | Keep in Core | | | Anonymized at Site/Updated at JPL | ||||||||||||
4 | Core | (0010,0010) | Patient Name | Full name of the patient. | Replaced with 'ANONYMOUS' | Required | Blank or Set to "Anonymous" | ❌ | Keep in Core | | | Anonymized at Site/Updated at JPL | ||||||||||||
5 | Core | (0012,0062) | Patient Identity Removed | Indicates if patient identity has been removed. | Marked as 'YES' | Required | ✅ | Keep in Core | | | Anonymized at Site/Updated at JPL | |||||||||||||
6 | Institution and Administration | This should be set to Anonymus at Site. Will also be update via script at JPL. | ||||||||||||||||||||||
7 | Core | (0008,0080) | Institution Name | The name of the institution where the equipment that created the image is located. | Modify as part of the de-identification procedure. Replace with 'ANONYMOUS' if indicated in the study procedure. | Required | Remove or Set to "Anonymous" | ❌ | Keep in Core | | | Anonymized at Site/Updated at JPL | ||||||||||||
8 | Study, Series, and Image Identification | |||||||||||||||||||||||
9 | Core | (0008,103E) | Series Description | Helps differentiate between different image series within a study. | Retained with modifications to remove PHI | Required | ✏️ | Keep in Core | | | Keep in Core | |||||||||||||
10 | Core | (0008,1030) | Study Description | Provides a general description of the imaging study. | Retained with modifications to remove PHI | Required | ✏️ | Keep in Core | | | Keep in Core | |||||||||||||
11 | Core | (0020,000D) | Study Instance UID | Unique identifier for the study. | Modified to prevent traceability. Links images to the correct study. | Required | ✏️ | Keep in Core | | | Keep in Core | |||||||||||||
12 | Core | (0020,000E) | Series Instance UID | Unique identifier for the series. | Modified to prevent traceability | Required | ✏️ | Keep in Core | | | Keep in Core | |||||||||||||
13 | Core | (0020,0010) | Study ID | short identifier for the study | Retained, but reviewed for any PHI. For LTP2, pMRI and possibly other studies this metadata will contain the EventID provided by DMCC VSIMS system. | Required | 🔍 | Keep in Core | | | Keep in Core | |||||||||||||
14 | Core | (0020,0011) | Series Number | indicates the series within a study | Required | ✅ | Keep in Core | | | Keep in Core | ||||||||||||||
15 | Core | (0020,0013) | Instance Number | Indicates the order of images within a series. | Required for proper image sequence display. | Required | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
16 | Core | (0008,0016) | SOP Class UID | Identifies the DICOM service class associated with the object (e.g., image, report). | Provides compatibility information for DICOM-compliant systems. Required for proper classification of the image type. | Required | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
17 | Acquisition Modality and Equipment | |||||||||||||||||||||||
18 | Core | (0008,0060) | Modality | Identifies the type of imaging modality used (e.g., CT, MR, US). Indicates the source of the image and its technical specifications. | Required | ✅ | Keep in Core | | | Keep in Core | ||||||||||||||
19 | Core | (0008,0070) | Manufacturer | The manufacturer of the imaging equipment. | Retained | Required | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
20 | Core | (0008,1090) | Manufacturer's Model Name | The model name of the imaging equipment. | Retained | Required | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
21 | Core | (0018,1020) | Software Versions | Manufacturer's designation of software version(s) of the equipment that produced the composite instances. | Retained | Required | | | | Keep in Core | Added based on discussion on call. | |||||||||||||
22 | Temporal and Acquisition Timing | |||||||||||||||||||||||
23 | Core | (0008,0020) | Study Date | Date the study started. | Offset while maintaining relative timing | Required | ⏳ | Keep in Core | | | Keep in Core | |||||||||||||
24 | Core | (0008,0023) | Image Date | Date of image creation. | Useful for chronological ordering of images. Offset using a random number. | Required | ⏳ | Keep in Core | | | Keep in Core | Need a date that will particularly important for CT scans when you have 12-16 scans annualized on subjects. Need to correlate timing of scan to diagnosis of cancer. Need to have some sort of date or marker to convey this information. | ||||||||||||
25 | Core | (0008,0022) | Acquisition Date | Date the image was acquired. | Offset while maintaining relative timing. Needed for tracking study history. | Required | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
26 | Core | (0008,0032) | Acquisition Time | Time when the image was acquired. | Needed for tracking study history. | Required | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
27 | Core | (0008,0033) | Content Time "Image Time" | Time of image creation. | Useful for chronological ordering of images. | Required | ✅ | Needs Discussion | | | Check Existing LabCAS Tags | question: is this the tag that's used to put the images into the proper sequence? Need to verify. | Discuss on next call: What should required core fields be to determine sequence of images. | |||||||||||
28 | (0008 0012) | Instance Creation Date | Date the SOP Instance was created. This refers specifically to the date on which the DICOM file (SOP Instance) was generated—not the date the image was acquired. | https://dicom.nema.org/medical/dicom/2020b/output/chtml/part03/sect_C.36.4.html#table_C.36.4-1 | There could be variation based on manufacturer, etc. Savanah uses this to help dtermine sequence of images | |||||||||||||||||||
29 | Core | 0028,0303) | Longitudinal Temporal Information Modified | Indicates that longitudinal dates have been modified. | Set to "MODIFIED" to indicate date offsetting | Required | ✏️ | Keep in Core | | | Keep in Core | |||||||||||||
30 | Core | (0008,0023) | Content Date | Date of the image content. | Offset while maintaining relative timing | ✅ | Needs Discussion | | | Keep in Core | What's best way to de-identifiy, especially for longitudinal studies. We have the data captured in the clinical db. | Discuss how to handle dates on next call. This tag is considered PHI: Content Date should be removed, offset, or anonymized during de-identification. | ||||||||||||
31 | Core | (0008,0021) | Series Date | Date the series was created. | Offset while maintaining relative timing | Desired | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
32 | Core | (0012,0052) | Longitudinal Temporal Offset | Stores the number of days offset from a baseline event. | Optional but may be used if applicable | Desired | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
33 | Core | (0013,1051) | Baseline Year | Indicates the baseline year of a study for reference. | Optional, stores year of diagnosis | Desired | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
34 | Core | (0012,0053) | Longitudinal Temporal Event Type | (Optional, stores event type like "Surgery") | Desired | ✅ | Keep in Core | | | Keep in Core | ||||||||||||||
35 | Core | (0008,0031) | Series Time | Time the series was created. | Desired | ✅ | Keep in Core | | | Keep in Core | ||||||||||||||
36 | Image Data, Dimensions, and Display Parameters | |||||||||||||||||||||||
37 | Core | (0028,0010) | Rows | Number of rows (height) in the image, in pixels. Defines the vertical resolution of the image. | Defines image dimensions for rendering. | Required | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
38 | Core | (0028,0011) | Columns | Number of columns (width) in the image, in pixels. Defines the horizontal resolution of the image. | Defines image dimensions for rendering. | Required | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
39 | Core | (0008,0018) | SOP Instance UID | Unique identifier for the DICOM instance. | Modified to prevent traceability. Ensures uniqueness for referencing and retrieval. | Required | ✏️ | Keep in Core | | | Keep in Core | |||||||||||||
40 | Core | (0028,0100) | Bits Allocated | Number of bits allocated for each pixel sample, defining the pixel depth. | Higher values allow for greater image detail and precision. Defines image depth and grayscale rendering. | Required | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
41 | Core | (0028,0101) | Bits Stored | actual number of bits used for pixel values | Required | ✅ | Keep in Core | | | Keep in Core | ||||||||||||||
42 | Core | (0028,0102) | High Bit | position of the most significant bit | Required | ✅ | Keep in Core | | | Keep in Core | ||||||||||||||
43 | Core | (0028,0103) | Pixel Representation | Specifies whether pixel data is signed (1) or unsigned (0). Determines how pixel values are stored and interpreted (e.g., grayscale range). | Required | ✅ | Keep in Core | | | Keep in Core | ||||||||||||||
44 | Core | (0028,0004) | Photometric Interpretation | Specifies the intended color model of the image (e.g., MONOCHROME2, RGB). Determines how pixel values are interpreted for display (e.g., grayscale or color). | Required | ✅ | Keep in Core | | | Keep in Core | ||||||||||||||
45 | Core | (0028,1050) | Window Center | Defines the center of the grayscale window. | Necessary for contrast adjustments in viewers. | Required | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
46 | Core | (0028,1051) | Window Width | Defines the width of the grayscale window. | Necessary for contrast adjustments in viewers. | Required | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
47 | Core | (0028,0030) | Pixel Spacing | Physical distance between the centers of adjacent pixels, measured in millimeters (mm). Essential for accurate spatial measurements and scaling. | Required for accurate measurements. | Required | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
48 | Core | (0020,0032) | Image Position (Patient) | Defines the position of the image in the patient coordinate system. | Essential for 3D reconstructions and alignment. | Required | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
49 | Core | (0020,0037) | Image Orientation (Patient) | specifies the direction cosines of the first row and first column of the image in relation to the patient's coordinate system. It defines the spatial orientation of the image plane in three-dimensional (3D) space. | From BRSI extension | Required | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
50 | Core | (7FE0,0010) | Pixel Data | Contains the actual image pixel values. | Retained but must be checked for burned-in PHI | Required | 🔍 | Keep in Core | | | Keep in Core | |||||||||||||
51 | Image Type and Characteristics | |||||||||||||||||||||||
52 | Core | (0008,0008) | Image Type | Describes the characteristics and processing of the image using a multi-value string. The values typically indicate the image's purpose (e.g., "ORIGINAL" or "DERIVED"), modality-specific attributes, and image processing status. | From BRSI extension | Required | ✅ | Keep in Core | | | Keep in Core | |||||||||||||
53 | Patient Demographics and Clinical Data | This information is not always accurate. Tech at site may be the one putting this in and may not be validated. Not best source for this information. Should come from DMCC or Clinical data captured with study. | ||||||||||||||||||||||
54 | Core | (0010,1010) | Patient's Age | Indicates the age of the patient. | Retained but recorded as 90+ if over 89 | Required | ✅ | Optional | Keep in Core | | | Not Required, but don't need to remove. | ||||||||||||
55 | Core | (0010,0040) | Patient's Sex | Indicates the sex of the patient. | Retained by TCIA | Required | ✅ | Keep in Core | | | Not Required, but don't need to remove. | |||||||||||||
56 | Core | (0010,1030) | Patient's Weight | Represents the patient's weight. | Retained by TCIA | Required | ✅ | Keep in Core | | | Not Required, but don't need to remove. | |||||||||||||
57 | Core | (0010,21A0) | Patient's Smoking Status | Indicates whether the patient smokes. | Retained by TCIA | Required | ✅ | Needs Discussion | | | Not Required, but don't need to remove. | |||||||||||||
58 | Core | (0010,2160) | Ethnic Group | Captures the ethnic background of the patient. | Retained by TCIA | Required | ✅ | Needs Discussion | | | Not Required, but don't need to remove. | |||||||||||||
59 | Core | (0010,1020) | Patient's Size | Represents the patient's height. | Retained by TCIA | Required | ✅ | Needs Discussion | | | Not Required, but don't need to remove. | |||||||||||||
60 | Core | (0010,21C0) | Pregnancy Status | Indicates if the patient is pregnant. | Retained by TCIA | Required | ✅ | Needs Discussion | | | Not Required, but don't need to remove. | |||||||||||||
61 | Core | (0012,0050) | Clinical Trial Time Point ID | provides a unique label for that individual subject’s visit | Required | Needs Discussion | | | Not Required, but don't need to remove. | |||||||||||||||
62 | Core | (0012,0052) | Clinical Trial Time Point Description | A free-text label describing the visit or time-point within the clinical trial (for example “Baseline Screening Visit” or “First Follow-up”) | Desired | Needs Discussion | | | Not Required, but don't need to remove. | |||||||||||||||
63 | Free Text Field | |||||||||||||||||||||||
64 | Core | (0018,1030) | Protocol Name | Describes the protocol used for acquiring the images. | Retained but must be reviewed for PHI | Required | 🔍 | Keep in Core | | | Keep in Core | |||||||||||||
65 | Patient Positioning | |||||||||||||||||||||||
66 | Core | (0018,5100) | Patient Position | Describes the patient's physical orientation relative to the imaging device (e.g., "Head First Supine," "Feet First Prone"). This is crucial for interpretation and reproducibility of scans. | Required | ✅ | Keep in Core | | | Keep in Core | ||||||||||||||
67 | Lesion and Slice Details | |||||||||||||||||||||||
68 | Core | (0054,0081) | Number of Slices | Specifies the total number of slices in a tomographic imaging study (e.g., CT, MRI, PET). This is critical for reconstructing volumetric datasets and ensuring complete anatomical coverage. | From BRSI extension | Required | ✅ | | | | Keep in Core | |||||||||||||
69 | Core | (0020,1041) | Slice Location | Specifies the relative position of each slice. | Essential for 3D AI reconstructions. | Required | | | | Keep in Core | ||||||||||||||
70 | Core | (0018,3105) | Lesion Number | Identifies and indexes lesions within an imaging study. This value helps track multiple lesions in a series and is useful for oncology and diagnostic imaging studies. | From BRSI extension | Required | | | | Keep in Core | ||||||||||||||
71 | Image Spatial Information | |||||||||||||||||||||||
72 | Core | (0020,0052) | Frame of Reference UID | Ensures spatial consistency across multiple images. | Ensures spatial consistency across multiple images. | | | | Keep in Core | |||||||||||||||
73 | Core | (0018,0050) | Slice Thickness | Defines the thickness of each image slice. | Necessary for volume rendering and analysis. | | | | Keep in Core | |||||||||||||||
74 | Core | (0018,0088) | Spacing Between Slices | Distance between image slices. | Required for accurate 3D reconstructions. | | | | Keep in Core | |||||||||||||||
75 | Image Processing and Calibration | |||||||||||||||||||||||
76 | Core | (0028,1052) | Rescale Intercept | Intercept used for pixel value transformation. | Required for proper HU unit conversion in CT. | | | | Keep in Core | |||||||||||||||
77 | Core | (0028,1053) | Rescale Slope | Slope used for pixel value transformation. | Required for proper HU unit conversion in CT. | | | | Keep in Core | |||||||||||||||
78 | Core | (0018,1063) | Temporal Resolution | Time between frames in dynamic imaging. | Important for perfusion imaging and functional analysis. | | | | Keep in Core | |||||||||||||||
79 | Core | (0018,0040) | Cine Rate | Frame rate for dynamic imaging sequences. | Essential for motion tracking in AI models. | | | | Keep in Core | |||||||||||||||
80 | Core | (0018,1060) | Trigger Time | Time delay for gated acquisitions. | Needed for AI-based cardiac imaging models. | | | | Keep in Core | |||||||||||||||
81 | Core | (0028,0051) | Corrected Image | Indicates corrections applied to the image (e.g., scatter correction, attenuation correction). | Desired | | | | Keep in Core | |||||||||||||||
82 | Acquisition Parameters | |||||||||||||||||||||||
83 | Core | (0018,1310) | Acquisition Matrix | Defines the raw pixel grid before reconstruction. | Essential for AI | | | | Keep in Core | |||||||||||||||
84 | Core | (0018,9315) | Reconstruction Algorithm | Details about post-processing steps applied to images. | Needed for AI models analyzing reconstructed images. | | | | Keep in Core | |||||||||||||||
85 | Core | (0018,0010) | Contrast/Bolus Agent | Specifies contrast material used. | Critical for AI models analyzing contrast-enhanced scans. | | | | Keep in Core | |||||||||||||||
86 | Core | (0018,1152) | Dose Reporting (DLP, CTDIvol) | Includes radiation dose-related metadata. | Important for AI-driven radiation safety assessments. | | | | Keep in Core | |||||||||||||||
87 | Segmentation and ROI Contours | Requirement is Optional | ||||||||||||||||||||||
88 | Core | (0062,0005) | Segmentation Label Name | Standardized label name for segmentations. | Needed for AI-generated segmentations and annotations. | Optional | | | | Keep in Core | depends on project requirement. | |||||||||||||
89 | Core | (0062,0005) | Segment Algorithm Type | Specifies the segmentation technique used. | Essential for tracking AI-assisted segmentation methods. | Optional | | | | Keep in Core | depends on project requirement. | |||||||||||||
90 | Core | (3006,0020) | ROI Contour Sequence | Defines regions of interest (ROIs). | Critical for AI tumor/organ detection. | Optional | | | | Keep in Core | depends on project requirement. | |||||||||||||
91 | Core | (3006,0010) | RT Structure Set | Defines volumetric annotations in radiotherapy imaging. | Required for AI-based radiation treatment planning. | Optional | | | | Keep in Core | depends on project requirement. | |||||||||||||
92 | Body Region and Exposure Parameters | |||||||||||||||||||||||
93 | Core | (0018,0015) | Body Part Examined | Describes the anatomical region of the patient that was scanned, such as "Chest," "Abdomen," or "Brain." This helps categorize imaging studies by body region. | | | | Keep in Core | ||||||||||||||||
94 | Core | (0018,1150) | Exposure Time | Represents the duration (in milliseconds) that the patient was exposed to X-rays during an imaging acquisition. This value is critical for dose calculation and image quality assessment. | Optional | | | | Keep in Core | |||||||||||||||
95 | Core | (0018,1151) | X-ray Tube Current | Specifies the tube current (measured in milliamperes, mA) used during X-ray exposure. It influences image brightness and patient radiation dose. | Optional | | | | Keep in Core | |||||||||||||||
96 | Ultrasound Parameters | |||||||||||||||||||||||
97 | Core | (0018,6030) | Transducer Frequency | Indicates the frequency (in megahertz, MHz) of the ultrasound transducer used in the scan. Higher frequencies provide better resolution but have lower penetration depth. | Optional | | | | Keep in Core | |||||||||||||||
98 | Core | (0018,5012) | Ultrasound Gel Volume | Specifies the volume of ultrasound gel (in milliliters, mL) applied to the patient’s skin to enhance acoustic coupling and improve image quality. | Optional | | | | Keep in Core | |||||||||||||||
99 | Nuclear Medicine and PET | |||||||||||||||||||||||
100 | Core | (0054,0016) | Radiopharmaceutical Information | Provides details on radiopharmaceuticals used in nuclear medicine, such as dose, units, and administration. | Optional | | | | Keep in Core |