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Category
User guide
Standard
LOINC Users’ Guide Section 3
Version
v2023
Access
Open
Status
Active
Updated
August 2023
This document is the third section of the Users’ Guide for LOINC. LOINC is an international standard for identifying health measurements, observations and documents such as laboratory and clinical test results.

Section 3 discusses LOINC codes that do not follow the usual format for LOINC codes.

Main sections:

• Findings viewed as variables or as values

• Blood bank

• Immunocompetence studies (flow cytometry)

• Microbiology

• Antimicrobial susceptibilities

• Cell counts

• Skin tests

• Toxicology – drug of abuse screening and confirmation

• Molecular genetics LOINC naming

• HLA allele and antigen nomenclature

• Allergy testing

• Urinalysis by test strips
Access LOINC Users’ Guide: 3 – Special cases v2023

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