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OPCS-4: History & Standards

OPCS-4, or more formally OPCS Classification of Interventions and Procedures version 4, is the procedural classification used by clinical coders within National Health Service (NHS) hospitals of NHS England, NHS Scotland, NHS Wales and Health and Social Care in Northern Ireland. It is based on the earlier Office of Population Censuses and Surveys…

Language: English [EN]
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OPCS-4 topic overview

The analysis highlights History and Standards as prominent areas in the source structure around OPCS-4.

Related topics
35
Source areas
6
Connected nodes
41
Extracted relationships
142
Concept neighborhoods
17
Bridge connections
41

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 12 topics
Volume II - Alphabetical Index · 10 topics
History · 6 topics
Supplementary publications · 4 topics
Volume I - Tabular List · 2 topics
Copyright · 1 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Abbreviation
OPCS
Copyright
Crown copyright
Domain
Medical classification
Latest version
OPCS-4.10 April 2023
Organization
NHS Digital
Status
Published

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

History

Volume I - Tabular List

Volume II - Alphabetical Index

Supplementary publications

Copyright

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How OPCS-4 connects Entity context

The extracted context around OPCS-4 shows recurring relationship patterns in the source. For example, OPCS-4 → Arteries, Bones, BreastChapter, Chapter, Childbirth, Diagnostic Imaging, EarChapter, Endocrine System, EyeChapter, Female Genital Tract Associated, HeartChapter, Joints, JointsChapter, Lower Digestive SystemChapter, Lower Female Genital TractChapter, Male Genital OrgansChapter, Methods, Miscellaneous OperationsChapter, MouthChapter, Nervous SystemChapter Another extracted example is OPCS-4 → As, By, Classification, Health, However, In, March, Much, NHS, NHS CFH, NHS Connecting, NHS IA, NHS Information Authority, Office, OPCS, OPCS Classification, OPCS3, Population Censuses, Procedures, Rather. Use these groups to spot repeated connection types before inspecting the individual relationships.

OPCS-4

Top relations

related to Volume I - Tabular List · 41
OPCS-4 → Arteries, Bones, BreastChapter, Chapter, Childbirth, Diagnostic Imaging, EarChapter, Endocrine System, EyeChapter, Female Genital Tract Associated, HeartChapter, Joints, JointsChapter, Lower Digestive SystemChapter, Lower Female Genital TractChapter, Male Genital OrgansChapter, Methods, Miscellaneous OperationsChapter, MouthChapter, Nervous SystemChapter
related to history · 26
OPCS-4 → As, By, Classification, Health, However, In, March, Much, NHS, NHS CFH, NHS Connecting, NHS IA, NHS Information Authority, Office, OPCS, OPCS Classification, OPCS3, Population Censuses, Procedures, Rather
related to Chemotherapy Regimens List · 14
OPCS-4 → Adult Drug, Delen, DH, DH Payment, Distribution Service, NHS, NHS England, Organised, Results, Standards OPCS-4, Terminology Reference Data Update, The Chemotherapy Regimens List, The National Clinical Coding, TRUD
related to High Cost Drugs List · 13
OPCS-4 → Although, Any, April, Department, DH, Health's, High Cost Drugs List, Maintained, NHS, Payment, PbR, Results, The
related to Code structure · 8
OPCS-4 → Also, Although OPCS-4, Chapter, ICD-10, O-codes, That, The, With
related to Standards book · 8
OPCS-4 → CCS, Clinical Coding Instruction Manual, It, NHS Digital, Prior, Standards OPCS-4, The National Clinical Coding, Whilst
related to ICD-10 and OPCS-4 Classifications Content Changes · 6
OPCS-4 → ICD-10, Minor, OPCS-4 Classifications Content Changes, The Coding Clinic, Then, Until March
related to Derived works · 5
OPCS-4 → CCSD, Group's Schedule, Procedures, Schedule Development, The Clinical Coding
related to Copyright · 3
OPCS-4 → As, Crown Copyright, NHS
related to External links · 3
OPCS-4 → NHS England Classifications Browser, NHS EnglandOPCS-4, Official

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

nhs classification procedures list used coding code also icd-10 interventions example clinical publication volume opcs codes revision operations classifications surgical

OPCS-4 relationships Subject–Predicate–Object triples

TTTA extracted 142 structured relationships around OPCS-4. Examples in this analysis include OPCS-4 → Abbreviation → OPCS and OPCS-4 → Copyright → Crown copyright. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
OPCS-4AbbreviationOPCS1.00infobox
OPCS-4CopyrightCrown copyright1.00infobox
OPCS-4DomainMedical classification1.00infobox
OPCS-4Latest versionOPCS-4.10 April 20231.00infobox
OPCS-4OrganizationNHS Digital1.00infobox
OPCS-4StatusPublished1.00infobox
OPCS-4WebsiteOPCS-4 NHS Digital1.00infobox
OPCS-4is areference book on how to use the classification0.90text
OPCS-4related to Chemotherapy Regimens ListThe Chemotherapy Regimens List0.60section
OPCS-4related to Chemotherapy Regimens ListDH Payment0.60section
OPCS-4related to Chemotherapy Regimens ListResults0.60section
OPCS-4related to Chemotherapy Regimens ListOrganised0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around OPCS-4 bring nearby vocabulary together. In this analysis, examples include Nhs, Icd-10 and Procedures. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • OPCS-4
    • Nhs
    • Icd-10
    • Procedures
    • Clinical
    • Coding
    • April
    • Classifications
    • Revision
    • Procedural
    • Operations
    • Standards
    • Volume
  • opcs-4
    • Nhs
    • Icd-10
    • Procedures
    • Clinical
    • Coding
    • April
    • Classifications
    • Revision
    • Procedural
    • Operations
    • Standards
    • Volume
  • procedural classification
    • Opcs
    • Operations
    • Version
    • Procedural
    • Procedures
    • Surgical
    • Revision
    • Volume
    • Code
    • Alphabetical
    • Publications
    • Tabular
  • nhs england
    • Opcs-4
    • Procedures
    • Digital
    • England
    • Nhs
    • List
    • Used
    • Chemotherapy
    • Procedural
    • Regimens
    • Standards
    • Classifications
  • nhs scotland
    • Opcs-4
    • Procedures
    • Digital
    • England
    • List
    • Used
    • Chemotherapy
    • Procedural
    • Regimens
    • Standards
    • Classifications
    • Drugs
  • nhs wales
    • Opcs-4
    • Procedures
    • Digital
    • England
    • List
    • Used
    • Chemotherapy
    • Procedural
    • Regimens
    • Standards
    • Classifications
    • Drugs
  • current procedural terminology
    • Version
    • Code
    • Procedures
    • Alphabetical
    • Publications
    • Tabular
    • Abbreviations
    • Chapters
    • Chemotherapy
    • Digital
    • Drugs
    • Regimens
  • nhs information authority
    • Opcs-4
    • Procedures
    • Digital
    • England
    • List
    • Used
    • Chemotherapy
    • Procedural
    • Regimens
    • Standards
    • Classifications
    • Drugs

Connections between topic areas Semantic bridges

For OPCS-4, one of the stronger structural bridges in this analysis connects OPCS-4 with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
OPCS-4Overview · splits 29 ⟂ 13
OPCS-4Volume II - Alphabetical Index · splits 31 ⟂ 11
OPCS-4History · splits 35 ⟂ 7
OPCS-4Supplementary publications · splits 37 ⟂ 5
OPCS-4Volume I - Tabular List · splits 39 ⟂ 3

Map overview Semantic statistics

OPCS-4

Nodes42
Edges41
Triples142
Avg. degree1.95
Density0.047619
Components1

Source & methodology

TTTA analyzes the structure around OPCS-4 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History & Standards, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — OPCS-4 · EN edition · Analysis: TopicsToTalkAbout

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