Human immunodeficiency virus [HIV] disease. 1  B20 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 2  Reimbursement claims with a date of service on or after Oct 1, 2015 require the use of ICD-10-CM codes.  This is the American ICD-10-CM version of B20.
The process of naming and classifying organisms according to set of rules is called taxonomy. In some cultures, taxonomic rules are based traditional uses for plants and animals, and the existence of classification system facilities the transfer of that knowledge through generations.ummary. Modern taxonomy officially began in 1758 with Systema Naturae, the classic work by Carolus Linnaeus. This module, the first in a two-part series on species taxonomy, focuses on Linnaeusâ system for classifying and naming plants and animals.
OLE 6.12D Taxonomic Classification: Classifying Organisms How do Biologists Classify Organisms? Classification is the process of organizing and grouping things. The scientific study of how organisms are classified is called taxonomy. Taxonomy is useful because once a scientist knows the classification of an organism, he or she/the scientist already knows a lot of information about that organism. Biologists initially grouped organisms based on their similarities. Modern classification systems group organisms according to how they are related to each other. Naming Organisms Taxonomy involves naming organisms. In the 1730s, the Swedish botanist Carolus Linnaeus devised a system of naming organisms that is still used today. Linnaeus placed organisms in groups based on similarities in their observable features. Each organism was given a unique, two-part scientific name.