Добавил:
course-as.ru Авшаров Евгений Михайлович, ejen@course-as.ru Инвестор и Технический директор ООО 'КУРС-АС1', Москва, http://www.course-as.ru, Все наиболее важное обо мне:http://www.course-as.ru/Avsharov.html Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:

PS-2020a / part16

.pdf
Скачиваний:
31
Добавлен:
01.06.2020
Размер:
45.31 Mб
Скачать

 

DICOM PS3.16 2020a - Content Mapping Resource​

Page 841​

Coding Scheme Designator​

Code Value​

Code Meaning​

 

DCM​

113018​

For Printing​

 

DCM​

113020​

For Report Attachment​

 

DCM​

113021​

For Litigation​

 

DCM​

113030​

Manifest​

 

DCM​

113031​

Signed Manifest​

 

DCM​

113032​

Complete Study Content​

 

DCM​

113033​

Signed Complete Study Content​

 

DCM​

113034​

Complete Acquisition Content​

 

DCM​

113035​

Signed Complete Acquisition Content​

 

DCM​

113036​

Group of Frames for Display​

 

DCM​

113037​

Rejected for Patient Safety Reasons​

 

DCM​

113038​

Incorrect Modality Worklist Entry​

 

DCM​

113039​

Data Retention Policy Expired​

 

DCM​

113022​

Collection of Presentation States​

 

DCM​

128181​

Diagnostic Source Images​

 

DCM​

128182​

Segmentation Result​

 

DCM​

128183​

Registration Result​

 

DCM​

128195​

For Diagnosis​

 

DCM​

128218​

Diagnosis Input Used​

 

DCM​

128196​

For Segmentation​

 

DCM​

128219​

Contouring Input Used​

 

DCM​

128199​

For Plan Comparison​

 

DCM​

128220​

Plan Comparison Input Used​

 

DCM​

128203​

For Tumor Board​

 

DCM​

128221​

Tumor Board Input Used​

 

DCM​

128208​

For Tumor Registry​

 

DCM​

128222​

Tumor Registry Input Used​

 

DCM​

128207​

For Clinical Trial Submission​

 

DCM​

128223​

Clinical Trial Submission Input Used​

 

Include CID 7023 “RT Process Output”​

 

 

Include CID 7024 “RT Process Input”​

 

 

Include CID 7025 “RT Process Input Used”​

 

 

Include CID 7014 “Export Additional Information Document Titles”​

 

 

Include CID 7070 “Real Time Video Rendition Titles”​

 

 

CID 7011 Rejected for Quality Reasons​

 

 

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

 

Type:​

Extensible​

 

 

Version:​

20020904​

 

 

UID:​

1.2.840.10008.6.1.491​

 

 

- Standard -​

Page 842​ DICOM PS3.16 2020a - Content Mapping Resource​

Table CID 7011. Rejected for Quality Reasons​

Coding Scheme Designator​

Code Value​

Code Meaning​

DCM​

111207​

Image artifact(s)​

DCM​

111208​

Grid artifact(s)​

DCM​

111209​

Positioning​

DCM​

111210​

Motion blur​

DCM​

111211​

Under exposed​

DCM​

111212​

Over exposed​

DCM​

111213​

No image​

DCM​

111214​

Detector artifact(s)​

DCM​

111215​

Artifact(s) other than grid or detector artifact​

DCM​

111216​

Mechanical failure​

DCM​

111217​

Electrical failure​

DCM​

111218​

Software failure​

DCM​

111219​

Inappropriate image processing​

DCM​

111220​

Other failure​

DCM​

111221​

Unknown failure​

DCM​

113026​

Double exposure​

CID 7012 Best in Set​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20020904​

UID:​

1.2.840.10008.6.1.492​

Table CID 7012. Best in Set​

Coding Scheme Designator​

Code Value​

Code Meaning​

DCM​

113014​

Study​

DCM​

113015​

Series​

DCM​

113016​

Performed Procedure Step​

DCM​

113017​

Stage-View​

CID 7013 Non-Image Source Instance Purposes of Reference​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20170914​

UID:​

1.2.840.10008.6.1.1134​

Table CID 7013. Non-Image Source Instance Purposes of Reference​

Coding Scheme Designator​

Code Value​

Code Meaning​

DCM​

128224​

Source measurement​

DCM​

128225​

Source report​

DCM​

128226​

Source raw data​

Include CID 7019 “Segmentation Non-Image Source Purposes of Reference”​

- Standard -​

DICOM PS3.16 2020a - Content Mapping Resource​

Page 843​

Note​

This context group previously contained a code for "source image", which has been removed.​

CID 7014 Export Additional Information Document Titles​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20170914​

UID:​

1.2.840.10008.6.1.1178​

Table CID 7014. Export Additional Information Document Titles​

Coding Scheme Designator​

Code Value​

Code Meaning​

DCM​

128710​

For Teaching File Export​

DCM​

128711​

For Clinical Trial Export​

DCM​

128713​

For Research Collection Export​

DCM​

128714​

For Publication Export​

CID 7015 Export Delay Reasons​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20170914​

UID:​

1.2.840.10008.6.1.1179​

Table CID 7015. Export Delay Reasons​

Coding Scheme Designator​

Code Value​

Code Meaning​

DCM​

128715​

Delay export until final report is available​

DCM​

128716​

Delay export until clinical information is available​

DCM​

128717​

Delay export until confirmation of diagnosis is available​

DCM​

128718​

Delay export until histopathology is available​

DCM​

128719​

Delay export until other laboratory results are available​

DCM​

128720​

Delay export until patient is discharged​

DCM​

128721​

Delay export until patient dies​

DCM​

128722​

Delay export until expert review is available​

CID 7016 Level of Difficulty​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20170914​

UID:​

1.2.840.10008.6.1.1180​

Table CID 7016. Level of Difficulty​

Coding Scheme Designator​

Code Value​

Code Meaning​

DCM​

128725​

Primary level​

DCM​

128726​

Intermediate level​

DCM​

128727​

Advanced level​

- Standard -​

Page 844​ DICOM PS3.16 2020a - Content Mapping Resource​

CID 7017 Category of Teaching Material - Imaging​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20170914​

UID:​

1.2.840.10008.6.1.1181​

Table CID 7017. Category of Teaching Material - Imaging​

Coding Scheme Designator​

Code Value​

Code Meaning​

DCM​

128728​

Musculoskeletal imaging subject matter​

DCM​

128729​

Pulmonary imaging subject matter​

DCM​

128730​

Cardiovascular imaging subject matter​

DCM​

128731​

Gastrointestinal imaging subject matter​

DCM​

128732​

Genitourinary imaging subject matter​

DCM​

128733​

Neuroimaging subject matter​

DCM​

128734​

Vascular and interventional imaging subject matter​

DCM​

128735​

Nuclear medicine imaging subject matter​

DCM​

128736​

Ultrasound imaging subject matter​

DCM​

128737​

Pediatric imaging subject matter​

DCM​

128738​

Breast imaging subject matter​

Note​

The contents of this context group correspond to the American Board of Radiology categories in use at the time the IHE​ TCE Profile was developed.​

CID 7018 Miscellaneous Document Titles​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20170914​

UID:​

1.2.840.10008.6.1.1182​

Table CID 7018. Miscellaneous Document Titles​

Coding Scheme Designator​

Code Value​

Code Meaning​

DCM​

128712​

Additional Teaching File Information​

CID 7019 Segmentation Non-Image Source Purposes of Reference​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20170914​

UID:​

1.2.840.10008.6.1.1183​

Table CID 7019. Segmentation Non-Image Source Purposes of Reference​

Coding Scheme​

Code Value​

Code Meaning​

SNOMED-RT ID​ UMLS Concept Unique​

Designator​

 

 

ID​

DCM​

128227​

Source real world value map​

 

- Standard -​

DICOM PS3.16 2020a - Content Mapping Resource​

Page 845​

CID 7020 Document Titles​

Context Group ID 7020 comprises all document names (i.e., terms with Scale "DOC") within the HIPAA Attachments class of the​ LOINC coding scheme. The Coding Scheme Designator shall be LN.​

Note​

1.​AsubsetofthisContextGroupdirectlyapplicabletoimagingreportsisinCID7000“DiagnosticImagingReportDocument​ Titles”.​

2.​The LOINC coding scheme can be found at http://www.regenstrief.org/loinc.​

CID 7021 Measurement Report Document Titles​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20141110​

UID:​

1.2.840.10008.6.1.997​

Table CID 7021. Measurement Report Document Titles​

Coding Scheme Designator​

Code Value​

Code Meaning​

DCM​

126000​

Imaging Measurement Report​

DCM​

126001​

Oncology Measurement Report​

DCM​

126002​

Dynamic Contrast MR Measurement Report​

DCM​

126003​

PET Measurement Report​

CID 7022 Radiotherapy Purposes of Reference​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20180916​

UID:​

1.2.840.10008.6.1.1115​

Table CID 7022. Radiotherapy Purposes of Reference​

Coding Scheme​

Code Value​

Code Meaning​

SNOMED-RT​ UMLS Concept​

Designator​

 

 

ID​

Unique ID​

DCM​

121310​

RT treatment plan for the position being​

 

 

 

 

verified​

 

 

DCM​

129210​

Registration used in Planning​

 

 

DCM​

129211​

Registration created during Treatment​

 

 

CID 7023 RT Process Output​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20160908​

UID:​

1.2.840.10008.6.1.1135​

Table CID 7023. RT Process Output​

Coding Scheme Designator​

Code Value​

Code Meaning​

DCM​

128184​

Pre-Planning Result​

DCM​

128185​

RT Prescription Result​

DCM​

128186​

Dose Calculation Image Series​

- Standard -​

Page 846​

DICOM PS3.16 2020a - Content Mapping Resource​

Coding Scheme Designator​

Code Value​

Code Meaning​

DCM​

128187​

Coordinate Alignment Image Series​

DCM​

128188​

RT Treatment Simulation Result​

DCM​

128189​

RT Planning Result​

DCM​

128190​

Dosimetric Result​

DCM​

128191​

Patient Setup Verification Result​

DCM​

128192​

RT Treatment Session Result​

DCM​

128193​

RT Treatment Course Summary​

DCM​

128194​

RT Treatment QA Result​

Note​

The concepts in the CID are intended to be a declarative statement to represent the output of an operation, without implying​ that this operation was part of a particular workflow or that the output will be used in any future operation.​

CID 7024 RT Process Input​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20160908​

UID:​

1.2.840.10008.6.1.1136​

Table CID 7024. RT Process Input​

Coding Scheme Designator​

Code Value​

Code Meaning​

DCM​

128180​

For RT Workflow​

DCM​

128197​

For RT Prescription​

DCM​

128198​

For RT Treatment Planning​

DCM​

128200​

For RT Plan Summation​

DCM​

128201​

For Physician Review​

DCM​

128202​

For Physicist Review​

DCM​

128204​

For Plan Quality Assurance​

DCM​

128205​

For Machine Quality Assurance​

DCM​

128206​

For Patient Setup Verification​

Note​

The concepts in the CID are intended to be a declarative statement to represent the potential input of an operation, without​ implying that this operation is part of a particular workflow, that this input will be used at all in any subsequent operation, that​ only parts of the referenced instances will be used, or that instances other than those referenced will be used as input.​

CID 7025 RT Process Input Used​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20160908​

UID:​

1.2.840.10008.6.1.1137​

Table CID 7025. RT Process Input Used​

Coding Scheme Designator​

Code Value​

Code Meaning​

DCM​

128209​

RT Workflow Input Used​

- Standard -​

 

DICOM PS3.16 2020a - Content Mapping Resource​

Page 847​

Coding Scheme Designator​

Code Value​

Code Meaning​

 

DCM​

128210​

RT Prescription Input Used​

 

DCM​

128211​

RT Treatment Planning Input Used​

 

DCM​

128212​

RT Plan Summation Input Used​

 

DCM​

128213​

Physician Review Input Used​

 

DCM​

128214​

Physicist Review Input Used​

 

DCM​

128215​

Plan Quality Assurance Input Used​

 

DCM​

128216​

Machine Quality Assurance Input Used​

 

DCM​

128217​

Patient Setup Verification Input Used​

 

Note​

The concepts in the CID are intended to be a declarative statement to represent input that has been used in an operation,​ without implying that this operation was part of a particular workflow or how this input was collected.​

CID 7026 Radiotherapeutic Dose Measurement Devices​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20170914​

UID:​

1.2.840.10008.6.1.1177​

Table CID 7026. Radiotherapeutic Dose Measurement Devices​

Coding Scheme​

Code Value​

Code Meaning​

SNOMED-RT ID​

UMLS Concept​

Designator​

 

 

 

Unique ID​

SCT​

706247001​

Medical x-ray film​

R-FCCF2​

C3873821​

DCM​

128701​

3D Gel​

 

 

DCM​

128702​

Diode Array​

 

 

DCM​

128703​

Ion Chamber Array​

 

 

SCT​

464983000​

Thermoluminescent radiation​

R-FCE69​

C3881975​

 

 

dosimeter​

 

 

DCM​

128704​

Diode​

 

 

DCM​

128705​

Liquid Ion Chamber​

 

 

SCT​

701933006​

MOSFETradiationtherapydosimetry​

R-FCC16​

C3872923​

 

 

system dosimeter​

 

 

DCM​

128706​

OSLD​

 

 

DCM​

128707​

Ion Chamber​

 

 

SCT​

468440006​

Digital imager​

R-FD5EB​

C3877969​

DCM​

128708​

Diamond Detector​

 

 

CID 7027 Segmented Radiotherapeutic Dose Measurement Devices​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20190125​

UID:​

1.2.840.10008.6.1.1276​

- Standard -​

Page 848​ DICOM PS3.16 2020a - Content Mapping Resource​

Table CID 7027. Segmented Radiotherapeutic Dose Measurement Devices​

Coding Scheme​

Code Value​

Code Meaning​

SNOMED-RT ID​

UMLS Concept​

Designator​

 

 

 

Unique ID​

DCM​

128702​

Diode Array​

 

 

DCM​

128703​

Ion Chamber Array​

 

 

SCT​

464983000​

Thermoluminescent radiation​

R-FCE69​

C3881975​

 

 

dosimeter​

 

 

DCM​

128704​

Diode​

 

 

DCM​

128705​

Liquid Ion Chamber​

 

 

SCT​

701933006​

MOSFETradiationtherapydosimetry​ R-FCC16​

C3872923​

 

 

system dosimeter​

 

 

DCM​

128706​

OSLD​

 

 

DCM​

128707​

Ion Chamber​

 

 

SCT​

468440006​

Digital imager​

R-FD5EB​

C3877969​

DCM​

128708​

Diamond Detector​

 

 

CID 7030 Institutional Departments, Units and Services​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20160314​

UID:​

1.2.840.10008.6.1.817​

Table CID 7030. Institutional Departments, Units and Services​

Coding Scheme​

Code Value​

Code Meaning​

SNOMED-RT ID​

UMLS Concept Unique​

Designator​

 

 

 

ID​

DCM​

128170​

Abdominal Radiology​

 

 

SCT​

225728007​

Accident and Emergency​

R-300E3​

C0562508​

SCT​

309913004​

Allergy and Immunology​

R-30246​

C0587451​

SCT​

309901009​

Anesthesiology​

R-3023A​

C0002907​

SCT​

309914005​

Audiology​

R-30247​

C0587452​

DCM​

128171​

Biomedical Engineering​

 

 

SCT​

309968000​

Breast Surgery​

R-3027F​

C0587504​

SCT​

426439001​

Burns Intensive Care​

R-3060E​

C1959926​

SCT​

309907008​

Cardiac Intensive Care​

R-30240​

C0587446​

SCT​

309971008​

Cardiac Surgery​

R-30282​

C0587507​

SCT​

309915006​

Cardiology​

R-30248​

C0587453​

SCT​

309969008​

Cardiothoracic Surgery​

R-30280​

C0587505​

DCM​

128172​

Cardiovascular Radiology​

 

 

SCT​

309959002​

Child and Adolescent Psychiatry​

R-30276​

C0587495​

SCT​

310076001​

Clinical Biochemistry​

R-421EB​

C0587609​

SCT​

309902002​

Clinical Oncology​

R-3023B​

C0587443​

SCT​

309983005​

Colorectal Surgery​

R-3028E​

C0587519​

SCT​

310128004​

Computerized Tomography​

R-4221E​

C0587659​

 

 

Service​

 

 

SCT​

310200001​

Cytology​

R-4225D​

C0587725​

- Standard -​

 

DICOM PS3.16 2020a - Content Mapping Resource​

Page 849​

Coding Scheme​

Code Value​

Code Meaning​

SNOMED-RT ID​

UMLS Concept Unique​

Designator​

 

 

 

ID​

SCT​

309972001​

Dental Surgery​

R-30283​

C0587508​

SCT​

309923008​

Dermatology​

R-30250​

C0587461​

SCT​

441662001​

Diagnostic Imaging​

R-3061B​

C2711258​

SCT​

309979005​

Endocrine Surgery​

R-3028A​

C0587515​

SCT​

309925001​

Endocrinology​

R-30252​

C0587463​

SCT​

310030000​

Endoscopy​

R-421D4​

C0587565​

SCT​

309980008​

Gastrointestinal Surgery​

R-3028B​

C0587516​

SCT​

309927009​

General Medicine​

R-30254​

C0587465​

SCT​

309984004​

General Surgery​

R-3028F​

C0587520​

SCT​

309933000​

Geriatric Medicine​

R-3025A​

C0587471​

SCT​

309943002​

Gynecology​

R-30264​

C0587481​

SCT​

309985003​

Hand Surgery​

R-30290​

C0587521​

SCT​

309954007​

Hematology​

R-3026F​

C0587491​

SCT​

310158005​

Hepatobiliary Surgery​

R-4223B​

C0587687​

SCT​

441950002​

Histopathology​

R-3061D​

C2711413​

SCT​

309934006​

Infectious Disease​

R-3025B​

C0587472​

DCM​

128173​

Information Technology​

 

 

SCT​

309904001​

Intensive Care​

R-3023D​

C0021708​

SCT​

708174004​

Interventional Radiology Service​

R-FF0C4​

C3872675​

SCT​

310127009​

Magnetic Resonance Imaging​

R-4221D​

C0587658​

 

 

Service​

 

 

SCT​

441994008​

Medical Intensive Care​

R-3061E​

C2711734​

SCT​

309956009​

Medical Microbiology​

R-30270​

C0587492​

DCM​

128174​

Medical Physics​

 

 

DCM​

128175​

Musculoskeletal Radiology​

 

 

SCT​

405269005​

Neonatal Intensive Care​

R-305CE​

C0021709​

SCT​

309936008​

Nephrology​

R-3025D​

C0587474​

SCT​

309937004​

Neurology​

R-3025E​

C0587475​

UMLS​

C2183225​

Neuroradiology​

 

C2183225​

SCT​

310159002​

Neurosurgery​

R-4223C​

C0587688​

SCT​

309938009​

Nuclear Medicine​

R-3025F​

C0587476​

SCT​

309944008​

Obstetrics​

R-30265​

C0028775​

SCT​

309942007​

Obstetrics and Gynecology​

R-30263​

C0587480​

SCT​

309935007​

Ophthalmology​

R-3025C​

C0587473​

SCT​

310105000​

Optometry​

R-42207​

C0587638​

SCT​

309974000​

Oral Surgery​

R-30285​

C0587510​

SCT​

309989009​

Orthopedic Surgery​

R-30294​

C0587525​

SCT​

309978002​

Otorhinolaryngology​

R-30289​

C0587514​

SCT​

309949003​

Pain Management​

R-3026A​

C0587486​

SCT​

309939001​

Palliative Care​

R-30260​

C0587477​

SCT​

309950003​

Pathology​

R-3026B​

C0587487​

- Standard -​

Page 850​

DICOM PS3.16 2020a - Content Mapping Resource​

 

Coding Scheme​

Code Value​

Code Meaning​

SNOMED-RT ID​

UMLS Concept Unique​

Designator​

 

 

 

ID​

SCT​

309910001​

Pediatric Intensive Care​

R-30243​

C0021710​

SCT​

420223003​

Pediatric Medicine​

R-305EA​

C1628316​

SCT​

309948006​

Pediatric Oncology​

R-30269​

C0587485​

DCM​

128177​

Pediatric Radiology​

 

 

SCT​

309991001​

Pediatric Surgery​

R-30296​

C0587527​

SCT​

310464005​

Physiotherapy​

R-302A2​

C0587975​

SCT​

309992008​

Plastic Surgery​

R-30297​

C0587528​

SCT​

441480003​

Primary Care Department​

S-8000A​

C2711449​

SCT​

309958005​

Psychiatry​

R-30275​

C0587494​

SCT​

310123008​

Psychology​

R-42219​

C0587654​

SCT​

309918008​

Pulmonology​

R-3024B​

C0587456​

SCT​

309964003​

Radiology​

R-3027B​

C0587500​

SCT​

309903007​

Radiotherapy​

R-3023C​

C0587444​

SCT​

309940004​

Rehabilitation​

R-30261​

C0587478​

SCT​

309941000​

Rheumatology​

R-30262​

C0587479​

SCT​

310101009​

Speech and Language Therapy​

R-42203​

C0587634​

SCT​

309966001​

Stroke​

R-3027D​

C0587502​

SCT​

309967005​

Surgery​

R-3027E​

C0587503​

SCT​

418433008​

Surgical Intensive Care​

R-305EB​

C1690590​

DCM​

128179​

Thoracic Radiology​

 

 

SCT​

309970009​

Thoracic Surgery​

R-30281​

C0587506​

SCT​

309993003​

Transplant Surgery​

R-30298​

C0587529​

SCT​

309994009​

Trauma Surgery​

R-30299​

C0587530​

SCT​

441548002​

Tropical Medicine​

R-30616​

C2711407​

SCT​

310169008​

Ultrasonography​

R-42246​

C0587698​

SCT​

309995005​

Urology​

R-3029A​

C0587531​

SCT​

309996006​

Vascular Surgery​

R-3029B​

C0587532​

Note​

In SNOMED, there is often a choice of unit, department or service concepts; in DICOM, the department concept is preferred​ and used in this context group.​

CID 7035 Actionable Finding Classification​

Resources:​

HTML | FHIR JSON | FHIR XML | IHE SVS XML​

Type:​

Extensible​

Version:​

20150324​

UID:​

1.2.840.10008.6.1.1026​

Table CID 7035. Actionable Finding Classification​

Coding Scheme Designator​

Code Value​

Code Meaning​

RADLEX​

RID49480​

ACR Category 1 Actionable Finding​

RADLEX​

RID49481​

ACR Category 2 Actionable Finding​

RADLEX​

RID49482​

ACR Category 3 Actionable Finding​

- Standard -​

Соседние файлы в папке PS-2020a