DICOM PS3.16 2021b - Content Mapping Resource

TID 10055 Attenuator Characteristics (Current)
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### TID 10055 Attenuator Characteristics

This template describes an attenuator's characteristics (e.g., material, thickness, shape, etc.). An attenuator may be either an X-Ray filter (e.g., a device used to modify the spectral or geometric characteristics of the x-ray beam) or a piece of equipment (e.g., a patient support)

Type:

  Extensible

Order:

  Non-Significant

Root:

  No

Table TID 10055. Attenuator Characteristics

| NL | Rel with Parent | VT | Concept Name | VM | Req Type | Condition | Value Set Constraint
--- | --- | --- | --- | --- | --- | --- | --- | ---
1 |  | CONTAINS | CONTAINER | EV (130531, DCM, "Attenuator Characteristics") | 1 | M |  |
2 | > | CONTAINS | TEXT | EV (130527, DCM, "Identification of the Attenuator") | 1 | M |  |
3 | > | CONTAINS | CODE | EV (128458, DCM, "Attenuator Category") | 1 | M |  | DCID 10066 “Attenuator Category”
4 | > | CONTAINS | CODE | EV (113757, DCM, "X-Ray Filter Material") | 1 | MC | XOR Row 5 | DCID 10067 “Radiation Attenuator Materials”
5 | > | CONTAINS | CODE | EV (128465, DCM, "Equivalent Attenuator Material") | 1 | MC | XOR Row 4 | DCID 10067 “Radiation Attenuator Materials”
6 | > | CONTAINS | CODE | EV (113772, DCM, "X-Ray Filter Type") | 1 | M |  | DCID 10007 “X-Ray Filter Types”
7 | > | CONTAINS | NUM | EV (113758, DCM, "X-Ray Filter Thickness Minimum") | 1 | MC | XOR Row 9 | UNITS = EV (mm, UCUM, "mm")
8 | > | CONTAINS | NUM | EV (113773, DCM, "X-Ray Filter Thickness Maximum") | 1 | MC | IFF Row 7 is present | UNITS = EV (mm, UCUM, "mm")
9 | > | CONTAINS | NUM | EV (130509, DCM, "X-Ray Filter Thickness") | 1 | MC | XOR Row 7 | UNITS = EV (mm, UCUM, "mm")

Content Item Descriptions

Row 2 | An identifier for the attenuator to track the properties of the attenuators throughout the scope of accumulation. The identifier shall not change during the scope of accumulation and shall not be reused for multiple attenuators or filters.
Row 3 | The coded description of the attenuator category
Row 4 | The material used to construct the attenuator, which may or may not be a filter. This shall be the actual material, and not an equivalent material.
Row 5 | An equivalent material used to describe the composition of the attenuator, which may or may not be a filter.
Row 6 | The type of filter present in the beam, based on its physical shape. For an attenuator, choose a filter model that most closely matches the shape of the attenuator.
Row 7 | The minimum thickness of the attenuator. For attenuators that are not uniformly thick, provide both the minimum and maximum thicknesses.
Row 8 | The maximum thickness of the attenuator. For attenuators that are not uniformly thick, provide both the minimum and maximum thicknesses.
Row 9 | The nominal thickness of the attenuator. For attenuators that are uniformly thick, a single value may be provided, rather than a minimum and maximum.

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