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Causative agent typeAllowedExamples and Notes (Note: Examples are existing concepts and may not reflect the terming patterns described in the template.)
Substance baseyes

Overdose concepts representing a substance base should be modeled using a Causative agent that is a descendant of 105590001 |Substance (substance)|.

Example:

  • 295184007 |Morphine overdose (disorder)|

Expected classification:

  • Classification results are expected to be consistent with the modeling of the concept selected as the Causative agent in the Substance hierarchy.
Substance modificationno, unless documented as exception

Overdose concepts representing a substance modification should be modeled using a Causative agent that is a descendant of 105590001 |Substance (substance)|. Concepts representing substance modifications are exceptions and may be included if the overdose profile is significantly different from the substance base.

Exception examples:

  • Chemical element with multiple modifications (e.g. 422232005 |Calcium lactate gluconate (substance)|)
  • Liposome or lipid complex substances (e.g. 412088006 |Amphotericin B liposome (substance)|, 426490000 |Vincristine liposome (substance)|)
  • Pegylated substance (e.g. 385544005 |Pegfilgrastim (substance)|, 770965008 |Pegvaliase (substance)|)
  • Salt forms (e.g. 273948005 |Chloral hydrate (substance)|, 396063006 |Fluphenazine decanoate (substance)|)

Example:

  • 296213007 296136008 |Fluphenazine decanoate Chloral hydrate overdose (disorder)|
  • 296217008 296213007 |Fluphenazine enanthate decanoate overdose (disorder)|

Expected classification:

  • Classification results are expected to reflect that the concept modeled with the modified substance is a descendant of the concept modeled with the base substance (if such a concept exists.
Multiple substanceyes

Adverse reaction Overdose concepts representing multiple substances should be modeled using a GCIs, with Causative agent that is a descendant of 105590001 |Substance (substance)|; preferentially modeling with the base rather than a modification unless the adverse reaction overdose profile is significantly different from the substance base.

Example:

  • 292984002 1149374003 |Ampicillin and cloxacillin adverse reaction Dextropropoxyphene and/or paracetamol overdose (disorder)|292987009
  • 1149371006 |Piperacillin and tazobactam adverse reaction (disorder)|292989007 |Ticarcillin and clavulanic acid adverse reaction Sulfamethoxazole and/or trimethoprim overdose (disorder)|
Expected classification (Agreed 21-Jan-2020):
  • Classification results are expected to be consistent with the modeling of the concept selected as the Causative agent in the Substance hierarchy.
Disposition grouperyes

Overdose concepts representing a disposition grouper should be modeled using a Causative agent that is a descendant of 105590001 |Substance (substance)|.

Example:

  • 297053006 |Overdose of angiotensin-converting-enzyme inhibitors (disorder)|
  • 296515004 |Opiate antagonist overdose (disorder)|

Expected classification results:

  • Classification results are expected to be consistent with the modeling of the concept selected as the Causative agent in the Substance hierarchy.
Role grouperyes

Overdose concepts representing a role grouper should be modeled using a Causative agent that is a descendant of 105590001 |Substance (substance)|. Note that role groupers will be transitioned to the 763158003 |Medicinal product (product)| hierarchy in a future release.

Example:

  • 297006008 |Diuretic overdose (disorder)|
  • 295217003 |Non-steroidal anti-inflammatory overdose (disorder)|

Expected classification results (to be revised when concepts are remodeled using Medicinal product ):

  • Classification results are expected to be consistent with the modeling of the concept selected as the Causative agent in the Substance hierarchy.
Structure grouperyes

Overdose concepts representing a structure grouper should be modeled using a Causative agent that is a descendant of 105590001 |Substance (substance)|.

Example:

  • 218638005 |Adverse reaction caused by hydantoin derivative 295188005 |Pethidine analog overdose (disorder)|419885006 |Beta lactam adverse
  • reaction 1155996000 |Phenothiazine and/or phenothiazine derivative overdose (disorder)|

Expected classification (Agreed 21-Jan-2020):

  • Classification results are expected to be consistent with the Substance hierarchy and with other existing concepts in the subhierarchy.
Descendant of 373873005 |Pharmaceutical / biologic product (product)|no, unless documented as exceptionExceptions: None identified

The following types of groupers are out of scope; existing concepts have been inactivated or will be addressed in future release:

  • Groupers based on more than one role (e.g. 292722006 |Chelating agents and antidotes adverse reaction (disorder)|)
  • Groupers based on body system or intended site or route of administration (e.g. 292548001 |Drug groups primarily affecting respiratory system adverse reaction (disorder)|) or 417895009 |Topical agent adverse reaction (disorder)|)
  • Groupers based on disposition, role, or structure combined with an individual substance (e.g. 287177000 |Sulfonamide/trimethoprim reaction (disorder)| or 292513008 |Methyldopa and diuretic adverse reaction (disorder)|)
  • Groupers based on "combined" or "compound" substances (e.g. 292983008 |Combined penicillin preparation adverse reaction (disorder)| or 293358005 |Compound iron preparations adverse reaction (disorder)|)
  • Groupers based on disposition or structure combined with intended site or route of administration (e.g. 433494006 |Adverse effect of oral diphosphonate (disorder)|)
  • Groupers based on disposition combined with role (e.g. 292265006 |Dopaminergic drug used in parkinsonism adverse reaction (disorder)|)

Rules for description generation:

  1. For the FSN, align terming and case sensitivity with the FSN for the concept that is selected as the attribute value, excluding the semantic tag. 
  2. For the PT, align terming and case sensitivity with the US and GB PT for the concept that is selected as the attribute value.
  3. In cases where neither the US or GB PT matches the FSN, excluding the semantic tag, a synonym corresponding to the FSN is required unless explicitly identified as an exception.
  4. Additional synonyms "[agent] adverse reaction" should be added. Other synonyms are not allowed unless explicitly identified as an exception.

JIRA ticket for implementation:

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