| Level/ Type | Code | Display Name | Code System | Designations | Description | 
                           
                              | 0‑L | OPTENF | Ophthalmic Tomography En Face | DICOM Controlled Terminology |   Preferred: Ophthalmic Tomography En Face
                                  | An acquisition device, process or method that creates en face tomography images of
                                 the eye based on light and optical principles. Tomography based on other principles,
                                 such as ultrasound, is excluded. | 
                           
                              | 0‑L | OPTBSV | Ophthalmic Tomography B-scan Volume Analysis | DICOM Controlled Terminology |   Preferred: Ophthalmic Tomography B-scan Volume Analysis
                                  | An acquisition device, process or method that performs B-scan volume analysis of tomography
                                 images of the eye based on light and optical principles. Tomography based on other
                                 principles, such as ultrasound, is excluded. | 
                           
                              | 0‑L | OPV | Ophthalmic Visual Field | DICOM Controlled Terminology |   Preferred: Ophthalmic Visual Field
                                  | An acquisition device, process or method that measures visual fields and perform visual
                                 perimetry. | 
                           
                              | 0‑L | DX | Digital Radiography | DICOM Controlled Terminology |   Preferred: Digital Radiography
                                  | An acquisition device, process or method that performs digital radiography. | 
                           
                              | 0‑L | OPT | Ophthalmic Tomography | DICOM Controlled Terminology |   Preferred: Ophthalmic Tomography
                                  | An acquisition device, process or method that performs tomography of the eye that
                                 is based on light and optical principles. Tomography based on other principles, such
                                 as ultrasound, is excluded. | 
                           
                              | 0‑L | BMD | Bone Mineral Densitometry | DICOM Controlled Terminology |   Preferred: Bone Mineral Densitometry
                                  | An acquisition device, process or method that performs bone mineral densitometry by
                                 X-Ray, including dual-energy X-Ray absorptiometry (DXA) and morphometric X-Ray absorptiometry
                                 (MXA). | 
                           
                              | 0‑L | MG | Mammography | DICOM Controlled Terminology |   Preferred: Mammography
                                  | An acquisition device, process or method that performs mammography. | 
                           
                              | 0‑L | SM | Slide Microscopy | DICOM Controlled Terminology |   Preferred: Slide Microscopy
                                  | An acquisition device, process or method that performs slide microscopy. | 
                           
                              | 0‑L | US | Ultrasound | DICOM Controlled Terminology |   Preferred: Ultrasound
                                  | An acquisition device, process or method that performs ultrasound. | 
                           
                              | 0‑L | OP | Ophthalmic Photography | DICOM Controlled Terminology |   Preferred: Ophthalmic Photography
                                  | An acquisition device, process or method that performs ophthalmic photography. | 
                           
                              | 0‑L | IVOCT | Intravascular Optical Coherence Tomography | DICOM Controlled Terminology |   Preferred: Intravascular Optical Coherence Tomography
                                  | An acquisition device, process or method that performs intravascular optical coherence
                                 tomography. | 
                           
                              | 0‑L | MR | Magnetic Resonance | DICOM Controlled Terminology |   Preferred: Magnetic Resonance
                                  | An acquisition device, process or method that performs magnetic resonance imaging. | 
                           
                              | 0‑L | ECG | Electrocardiography | DICOM Controlled Terminology |   Preferred: Electrocardiography
                                  | An acquisition device, process or method that performs magnetic resonance imaging. | 
                           
                              | 0‑L | GM | General Microscopy | DICOM Controlled Terminology |   Preferred: General Microscopy
                                  | An acquisition device, process or method that performs electrocardiography. | 
                           
                              | 0‑L | IO | Intra-oral Radiography | DICOM Controlled Terminology |   Preferred: Intra-oral Radiography
                                  | An acquisition device, process or method that performs intra-oral radiography. | 
                           
                              | 0‑L | XA | X-Ray Angiography | DICOM Controlled Terminology |   Preferred: X-Ray Angiography
                                  | An acquisition device, process or method that performs X-Ray angiography. | 
                           
                              | 0‑L | XC | External-camera Photography | DICOM Controlled Terminology |   Preferred: External-camera Photography
                                  | An acquisition device, process or method that performs photography with an external
                                 camera. | 
                           
                              | 0‑L | VA | Visual Acuity | DICOM Controlled Terminology |   Preferred: Visual Acuity
                                  | An acquisition device, process or method that measures visual acuity. | 
                           
                              | 0‑L | IVUS | Intravascular Ultrasound | DICOM Controlled Terminology |   Preferred: Intravascular Ultrasound
                                  | An acquisition device, process or method that performs intravascular ultrasound. | 
                           
                              | 0‑L | CR | Computed Radiography | DICOM Controlled Terminology |   Preferred: Computed Radiography
                                  | An acquisition device, process or method that performs computed radiography. | 
                           
                              | 0‑L | ES | Endoscopy | DICOM Controlled Terminology |   Preferred: Endoscopy
                                  | An acquisition device, process or method that records images during endoscopy. | 
                           
                              | 0‑L | AR | Autorefraction | DICOM Controlled Terminology |   Preferred: Autorefraction
                                  | An acquisition device, process or method that measures autorefraction. | 
                           
                              | 0‑L | CT | Computed Tomography | DICOM Controlled Terminology |   Preferred: Computed Tomography
                                  | An acquisition device, process or method that performs computed tomography. | 
                           
                              | 0‑L | OSS | Optical Surface Scanner | DICOM Controlled Terminology |   Preferred: Optical Surface Scanner
                                  | An acquisition device, process or method that performs optical surface scanning. | 
                           
                              | 0‑L | LEN | Lensometry | DICOM Controlled Terminology |   Preferred: Lensometry
                                  | An acquisition device, process or method that performs lensometry. | 
                           
                              | 0‑L | RG | Radiographic imaging | DICOM Controlled Terminology |   Preferred: Radiographic imaging
                                  | An acquisition device, process or method that performs radiographic imaging (conventional
                                 film/screen). | 
                           
                              | 0‑L | RF | Radiofluoroscopy | DICOM Controlled Terminology |   Preferred: Radiofluoroscopy
                                  | An acquisition device, process or method that performs radiofluoroscopy. | 
                           
                              | 0‑L | KER | Keratometry | DICOM Controlled Terminology |   Preferred: Keratometry
                                  | An acquisition device, process or method that performs keratometry. | 
                           
                              | 0‑L | HD | Hemodynamic Waveform | DICOM Controlled Terminology |   Preferred: Hemodynamic Waveform
                                  | An acquisition device, process or method that records hemodynamic waveforms. | 
                           
                              | 0‑L | OAM | Ophthalmic Axial Measurements | DICOM Controlled Terminology |   Preferred: Ophthalmic Axial Measurements
                                  | An acquisition device, process or method that measures the axial length of the eye. | 
                           
                              | 0‑L | NM | Nuclear Medicine | DICOM Controlled Terminology |   Preferred: Nuclear Medicine
                                  | An acquisition device, process or method that performs nuclear medicine imaging. | 
                           
                              | 0‑L | OCT | Optical Coherence Tomography | DICOM Controlled Terminology |   Preferred: Optical Coherence Tomography
                                  | An acquisition device, process or method that uses an interferometric, non-invasive
                                 optical tomographic technique to image 2D slices and 3D volumes of tissue using visible
                                 and near visible frequencies. | 
                           
                              | 0‑L | BDUS | Ultrasound Bone Densitometry | DICOM Controlled Terminology |   Preferred: Ultrasound Bone Densitometry
                                  | An acquisition device, process or method that performs ultrasound bone densitometry. | 
                           
                              | 0‑L | PT | Positron emission tomography | DICOM Controlled Terminology |   Preferred: Positron emission tomography
                                  | An acquisition device, process or method that performs positron emission tomography
                                 (PET). | 
                           
                              | 0‑L | EPS | Cardiac Electrophysiology | DICOM Controlled Terminology |   Preferred: Cardiac Electrophysiology
                                  | An acquisition device, process or method that performs cardiac electrophysiology. | 
                           
                              | 0‑L | PX | Panoramic X-Ray | DICOM Controlled Terminology |   Preferred: Panoramic X-Ray
                                  | An acquisition device, process or method that performs panoramic X-Rays. | 
                           
                              | 0‑L | SRF | Subjective Refraction | DICOM Controlled Terminology |   Preferred: Subjective Refraction
                                  | An acquisition device, process or method that records subjective refraction. | 
                           
                              | 0‑L | OPM | Ophthalmic Mapping | DICOM Controlled Terminology |   Preferred: Ophthalmic Mapping
                                  | An acquisition device, process or method that measures corneal topography, corneal
                                 or retinal thickness, and other similar parameters that are typically displayed as
                                 maps. | 
                           
                              | 0‑L | OPR | Ophthalmic Refraction | DICOM Controlled Terminology |   Preferred: Ophthalmic Refraction
                                  | An acquisition device, process or method that measures the refractive characteristics
                                 of the eye. | 
                           
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