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Introduction

In order to develop guidance the guidelines in the following section, an environmental scan was conducted of different use case involving the use of  SNOMED CT and/or LOINC

The use cases considered included: 

  • Practical clinical scenarios in which SNOMED CT and/or LOINC are currently used:
    • Bio-surveillance (animal/human health) networks.
    • Clinical laboratory reporting (mostly Microbiology area).
    • Infectious diseases for lab order entries.
  • Healthcare information standards, that require or enable the use of SNOMED CT and/or LOINC.

Summary of Results

The summary information on this page is based on analysis of use cases and guidelines identified during an environmental scan of current usage of LOINC and SNOMED CT in clinical laboratory systems and related healthcare systems.

Table 5.1-1 summarizes recommendations for use of either SNOMED CT or LOINC in particular data elements. The recommendations are subdivided into categories based on particular scenarios or contexts of use.  Figure 5.1-1 provides a graphical representation of the current use of SNOMED CT and LOINC for representing particular types of information, as identified in the environmental scan.

Table 5.1-1: Summary of use of SNOMED CT and LOINC in different data elements and scenarios


DATA ELEMENTS

SCENARIO

Bio-surveillance(human/animal)

Lab reporting
(micro, infect diseases)

CIMI

Vital signs Name (Observation name)

LOINC

---

SNOMED CT

Vital signs Result (Observation value)

SNOMED CT

---

SNOMED CT

Laboratory Orders

LOINC

LOINC

---

Laboratory Test Results Name (Identifier)

LOINC

LOINC

LOINC

Laboratory Test Results no Quantitative (Value)

SNOMED CT

SNOMED CT

SNOMED CT

Specimens (Specimen Types, Specimen Source Types, …)

SNOMED CT

SNOMED CT

SNOMED CT

Animal Species/Breeds

SNOMED CT

SNOMED CT

SNOMED CT

Procedures (Laboratory Methods)

SNOMED CT

SNOMED CT

SNOMED CT

 

Figure 5.1-1: Current usage of SNOMED CT and LOINC for different use cases


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