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.
Organisms differ in their form, structure and mode of living. Hence, based on their similarities they should be grouped. The grouping of related organisms helps us in studying their evolutionary relationships. Classification is the division of organisms on the basis of characteristics into groups and sub-groups.A characteristic may be a particular form or function.History of classification. â¢ Aristotle, the Greek philosopher, classified animals based on whether they live on land, in water or in the air.rganisms differ in their form, structure and mode of living. Hence, based on their similarities they should be grouped. The grouping of related organisms helps us in studying their evolutionary relationships. Classification is the division of organisms on the basis of characteristics into groups and sub-groups.