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Copyright © 2001 College of American Pathologists Pseudophakic corneal edema Sample Hierarchy for Corneal Edema Idiopathic corneal edema Phakic corneal.

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Presentation on theme: "Copyright © 2001 College of American Pathologists Pseudophakic corneal edema Sample Hierarchy for Corneal Edema Idiopathic corneal edema Phakic corneal."— Presentation transcript:

1 Copyright © 2001 College of American Pathologists Pseudophakic corneal edema Sample Hierarchy for Corneal Edema Idiopathic corneal edema Phakic corneal edema Bullous keratopathy Aphakic corneal edema About SNOMED Relationships Disease of cornea Corneal edema Corneal stromal edema Secondary corneal edema Corneal epithelial edema

2 Copyright © 2001 College of American Pathologists Relationships for Corneal Edema ( ) Disease of cornea ( ) Corneal structure ( ) Corneal edema Descriptions ( ) Disorder characterized by edema ( ) Edema Associated morphology Is a Has finding site

3 Copyright © 2001 College of American Pathologists Concept Inter-relationships for Disorders SNOMED CT uses relationships between concepts to provide logical, computer readable definitions of medical concepts. These relationships, which can be hierarchical or non- hierarchical, enable health data to be re-used for decision support, outcomes analysis and clinical research. Follow this link to see the relationship types applicable to finding and disorders.relationship types

4 Copyright © 2001 College of American Pathologists Relationship Types for Disorders Clinical Attributes Finding Site Causative Agent Associated Morphology Laterality Hierarchical Is a

5 Copyright © 2001 College of American Pathologists The “Is a” Relationship The “Is a” relationship is used to create a hierarchical relationships between concepts, relating specific concepts to a more general category. For example: “Corneal edema” “Is a” (kind of) “Disease of the cornea”

6 Copyright © 2001 College of American Pathologists The “Finding site” Relationship The “Finding site” relationship identifies the part of the body affected by the specific disorder or finding. For example: “Corneal edema” (has) “Finding site” “Corneal structure”

7 Copyright © 2001 College of American Pathologists The “Causative agent” Relationship The “Causative agent” relationship identifies the direct cause of the disorder or finding. The causative agent is the bacterium, virus, toxin or environmental agent that causes the disorder. For example: “Corneal edema due to contact lenses” (has) “Causative agent” “Contact lenses”

8 Copyright © 2001 College of American Pathologists The “Associated morphology” Relationship The “Associated morphology” relationship identifies the abnormal physical condition that is characteristic of a given disorder or finding. For example: “Corneal edema” (has) “Associated morphology” “Edema”

9 Copyright © 2001 College of American Pathologists The “Laterality” Relationship The laterality relationship specifies the side of the body that applies to an anatomy concept. Procedures, findings and disorders can have laterality by qualifying their site (procedure-site or finding-site). For example: “Left kidney” (has) “Laterality” “Left” “Cyst of left kidney” (has) “Finding site” “Left Kidney” “Biopsy of left kidney” (has) “Procedure site” “Left Kidney”

10 Copyright © 2001 College of American Pathologists Descriptions for Corneal Edema


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