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  • SNOMED CT Document Library
  • Practical Guides
  • Specifications
  • Implementation Guides
  • User Guides
  • SNOMED CT Editorial Guide
    • Introduction to Editorial Guide
    • Introduction to SNOMED CT
      • Intended Use
      • Structure of Domain Coverage
      • Knowledge Representation
      • Out of Scope
      • SNOMED CT Requirements
        • Medical Vocabularies - J. Cimino
        • Electronic Health Applications
        • Implementation and Migration
        • User Communities
        • Summary of SNOMED CT Requirements
    • Introduction to Concept Model
      • Root and Top-level Concepts
      • Attributes
      • Defining Characteristics
      • Qualifying Characteristics
    • Authoring
      • Scope
        • Adjudication for Content Requests
        • Proprietary Names and Works
        • Implementation of Brand, Trademark and Copyright
      • General Naming Conventions
        • Descriptions
          • Fully Specified Name
            • Semantic Tag
          • Preferred Term
          • Synonym
          • Definition
        • Case Significance
        • Person Naming Conventions
        • Plurals
        • Punctuation and Symbols
        • Sentence Types
        • US vs. GB English
        • Action Verbs
        • Numbers and Numeric Ranges
      • General Modeling
        • Annotations
        • Changes to Components
        • Conjunction and Disjunction
        • General Concept Inclusions - GCIs
        • Grouper Concept
        • Intermediate Primitive Concept Modeling
        • Proximal Primitive Modeling
        • Relationship Group
        • Sufficiently Defined vs Primitive Concept
        • Templates
      • Domain Specific Modeling
        • Body Structure
          • Body Structure Attributes Summary
          • Anatomical Concept Model
            • Laterality
          • Anatomical Structure Naming Conventions
            • Naming Convention for SEP Model
            • Naming Convention for Digits of Hand and Foot
          • Anatomical Structure Modeling
            • Body parts and regions
            • Cardiovascular System
            • Digestive System
            • Ear
            • Endocrine System
            • Eye
            • Genitourinary system
            • Integumentary System
            • Lymphatic, Immune, Hematologic, Hematopoietic systems
            • Musculoskeletal System
              • Anatomy relating to the spine
            • Nervous System
            • Respiratory System
          • Morphologic Abnormality Modeling
            • Abscess
            • Combining morphologies
            • Congenital anomaly
            • Creating new morphologies
            • Fracture
            • Lump and mass
            • Morphologic Abnormalities vs. Findings
            • Multiple x morphologic abnormality
            • Tumor morphology
        • Clinical Finding and Disorder
          • Clinical Finding Attributes Summary
          • Clinical Finding Defining Attributes
          • Clinical Finding and Disorder Naming Conventions
            • Lateralized Disorder Naming Conventions
          • Clinical finding and Disorder Modeling
            • Specific Clinical finding and Disorder Modeling
              • Acquired abnormality of congenital anomaly
              • Adverse reaction to X vaccine
              • Allergy to X vaccine
              • Arrhythmia
              • Bacterial disorders with organism or toxin
              • Combining Morphologic Abnormalities
              • Congenital
              • Death
              • Enteritis
              • Genetic, developmental, congenital, and physical origin
                • Co-occuring Genomic Disorders
              • Hematologic and lymphatic conditions
              • Hernia
              • Iatrogenic
              • Immune function disorders
              • Infectious vs. inflammatory
              • Ischemia
              • Lesion
              • Malformation, deformation, anomaly
              • Maternal, fetal, neonatal
              • Measurement findings
              • Mental health
              • Multisystem disorders
              • Neoplasm
              • Null values
              • Obstruction
              • Osteoarthritis
              • Overdose
              • Pneumonia vs. Pneumonitis
              • Poisoning
              • Pressure ulcer Pressure injury
              • Pulmonary embolism
              • Remission
              • Rheumatoid arthritis
              • Substance withdrawal syndrome
              • Trauma and Injury
            • Disorder Combination Modeling
            • Complication and Sequela Modeling
        • Environment and Geographical Location
        • Event
          • Event Attributes Summary
          • Event Modeling
        • Observable Entity
          • Observable Entity Attributes Summary
          • Observable Entity Defining Attributes
          • Observable Entity Naming Conventions
          • Observable Entity Modeling
            • Body temperature
            • Mass vs Weight
            • Neoplasm Observables
            • Nutritional intake observable entities
            • Observable Entity and Microbiology Test Results
            • Observable Entity Templates
            • Relationship between Observable Entities and NPU codes
            • Representing LOINC Terms with the SNOMED CT Observable Entity Model
        • Organism
          • Organism Naming Conventions
        • Pharmaceutical and Biologic Product
          • Pharmaceutical and Biologic Product and Dose Form Attributes Summary
            • International Medicinal Product Model Diagrams
            • Ingredient Count Attributes
            • Ingredient Substance Attributes
            • Ingredient Strength Attributes
            • Appendix A: Product Patterns
              • Discrete manufactured dose form; similar unit of presentation
              • Continuous presentation: Metered dose unit of presentation
              • Continuous presentation: Oral liquids designed for administration by "metered" medicine spoon
              • Continuous presentation: bounded by unit of presentation; solid dose forms
              • Continuous presentation: bounded by container; liquid dose forms
              • Continuous presentation: bounded by container; liquid/semi-solid dose forms; concentration strength
              • Continuous presentation: unbounded by container
          • Medicinal Product
            • Clinical drug
              • Clinical Drug with Discrete Dose Form
              • Clinical Drug with Continuous Dose Form
              • Specific Clinical drug modeling
                • Anhydrous
                • Prolonged-release transdermal patch
                • Sodium valproate and Valproic acid
            • Medicinal Product and Medicinal Product Forms
              • Medicinal Product containing only
              • Medicinal Product containing
              • Medicinal Product Form (MPF)
                • Medicinal Product Form containing only
                • Medicinal Product Form containing
            • Medicinal Product Groupers
              • Groupers Based on Structure
              • Groupers Based on Disposition
              • Groupers Based on Multiple Dispositions, Structures
              • Groupers Based on Infusion and or Injection
              • Groupers Based on Dose form intended site
            • Vaccine Products in the Medicinal Product Hierarchy
              • Vaccine Product Top Level Groupers
              • Vaccine Product containing Concepts
              • Vaccine Product containing only Concepts
          • Qualifier values supporting Pharmaceutical and Biologic Product
            • Pharmaceutical Dose Form
              • Pharmaceutical Dose Form Naming and Modeling Conventions
              • Pharmaceutical Dose Form Grouper Based on Intended Site
              • Pharmaceutical Dose Form Grouper Without Basic Dose Form
              • Pharmaceutical Dose Form Supporting Hierarchies
                • Basic Dose Form
                • Dose Form Administration Method
                • Dose Form Intended Site
                • Dose Form Release Characteristic
                • Dose Form Transformation
                • State of Matter
            • Type of drug preparation
            • Unit of presentation
          • National Drug Extension Model
            • Introduction
            • Real Medicinal Product (RMP)
            • Medicinal Product Precisely (MP precisely)
            • Medicinal Product Form Precisely (MPF precisely)
            • Clinical Drug (CD) with Concentration and Presentation Strengths
            • Real Clinical Drug (RCD)
            • Packaged Clinical Drug (PCD)
            • Real Packaged Clinical Drug (RPCD)
            • Combination (Real) Packaged Clinical Drugs
            • Supporting Attributes
          • Glossary for Medicinal Product
        • Physical Force
        • Physical Object
          • Physical Object Attributes Summary
          • Physical Object Defining Attributes
          • Physical Object Naming and Modeling Conventions
            • Breast Prosthesis Naming and Modeling
            • Cardiac Valve Prosthesis Naming and Modeling
            • Shunt Naming and Modeling
            • Stent Naming and Modeling
        • Procedure
          • Procedure Attributes Summary
            • Procedure Defining Attributes
              • Procedure Attributes
              • Evaluation Procedure Attributes
          • Procedure Naming Conventions
            • Chemotherapy Regime Therapy Naming Conventions
            • Clinical Imaging Procedure Naming Conventions
              • Imaging Adjustments for View, Projection, or Technique
              • Diagnostic Imaging for Multiple Body Sites
              • Nuclear Medicine - Radionuclide Imaging
              • Multi-modality Imaging: PET, CT and SPECT, CT
              • Single Photon Emission Computed Tomography - SPECT
              • Positron Emission Tomography - PET
              • Fluoroscopy and Fluoroscopic Imaging
              • Imaging Guided Procedure Naming
              • Contrast for Imaging
              • Magnetic Resonance Imaging - MRI
              • Computed Tomography - CT
              • Ultrasonography
              • Radiographic Imaging, X-ray and Plain X-ray
            • Lateralized Procedure Naming Conventions
          • Procedure Modeling
            • Aspiration
              • Centesis
            • Diathermy
            • Division, lysis, transection, bisection
            • Duplex ultrasonography, Doppler ultrasound, and Doppler ultrasonography
            • Encounter
            • Endoscopy and endoscopic procedures
            • Excision, incision, biopsy
            • Flap procedures
            • Grafting
            • Imaging
            • Imaging-guided procedure modeling
            • Immunization and vaccination
            • Monitoring
            • Procedure during period of life
            • Prosthetic arthroplasty of joint
            • Regimes and therapies
            • Revision
            • Skeletal system
            • Surgical procedures
              • Surgical repair
              • Surgical vs. non-surgical
            • Transplantation
        • Qualifier Value
          • Disposition
          • International System of Units - derived unit of volume
          • International System of Units - unit of mass
          • Technique
        • Record Artifact
        • Situation with Explicit Context
          • Situation with Explicit Context Attributes Summary
          • Situation with Explicit Context Defining Attributes
          • Situation with Explicit Context Naming Conventions
          • Situation with Explicit Context Modeling
        • SNOMED CT Model Component
        • Social Context
        • Special Concept
        • Specimen
          • Specimen Attributes Summary
          • Specimen Defining Attributes
        • Staging and Scales
        • Substance
          • Substance Attribute Summary
          • Substance Defining Attributes
          • Substance Naming and Modeling Conventions
            • Substance Concept General Guidelines
            • Guidelines for Substance Hierarchy Grouper Concepts
              • Restructure of the top level substances hierarchy
              • Substance Groupers Based on Structure
              • Substance Groupers Based on Disposition
              • Substance Groupers Based on Both Structure and Disposition
              • Concepts Representing a Substance or its Modifications
            • Guidelines for Specific Substance Types
              • Antibodies and antigens
              • Antivenom
              • Autoantibody
              • Conjugate acids, bases and salts
              • Deoxyribonucleic acid and ribonucleic acid
              • Edible substances
              • Flap substances
              • Fractionated and unfractionated substances
              • Hydrates and anhydrous substances
              • Ions and electrolyte substances
              • Isomers
              • Metabolites
              • Radioactive substances
              • Saturated or unsaturated substances
              • Substances specifying a source or origin
              • Substances specifying bound
              • Substances specifying free or unbound or unconjugated
              • Substances specifying intact, fragment or subunit
              • Substances specifying physical state or physical form
          • Supporting hierarchy - Disposition
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Substance Naming and Modeling Conventions

  • Substance Concept General Guidelines

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  • Guidelines for Specific Substance Types

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