Version 2.77

Part Description

LP20670-3   Leukocyte
Leukocytes or white blood cells (WBCs) are immune cells that fight infection, neoplasms and other inflammatory conditions, and mediate allergic responses. There are five types of WBCs normally present in the circulation that are all derived from a similar stem cell in the bone marrow. The five type of WBCs are divided into two groups based on the presence or absence of granules in the cytoplasm. The granulocytes include the neutrophils, basophils and eosinophils. The non-granulocytes include the lymphocytes and the monocytes. The neutrophils fight infection by ingesting and digesting bacteria. Eosinophils and basophils respond to allergic reactions and are capable of ingesting antigen-antibody complexes. Monocytes phagocytose bacteria and release interferon to stimulate the immune system. Lymphocytes are divided into T-cells and B-cells. T-cell immunity is cellular and involves the activation of phagocytes and B-cell immunity uses antibodies to fight infection. Both elevated and low leukocyte counts can be markers of infection and malignancy, and low leukocyte counts are associated with a variety of primary and secondary immunodeficiencies, depending on the WBC type(s) that are out of range. (Mosby's manual of diagnostic and laboratory tests, Kathleen Deska Pagana; Timothy James Pagana, Elsevier St. Louis, Mo ©2010) Source: Regenstrief LOINC

Fully-Specified Name

Component
Leukocyte count or protein test was performed on CSF & test findings
Property
Find
Time
Pt
System
^Patient
Scale
Nom
Method
CDC.CS

Survey Question

Text
Did the infant/child have a CSF WBC count or CSF protein test?
Source
CS.35

Normative Answer List: LL2933-1

Source: Centers for Disease Control and Prevention
Answer Code Score Answer ID
Yes, CSF WBC count elevated 1 LA21252-4
Yes, CSF protein elevated 2 LA21253-2
both tests elevated 3 LA21238-3
neither test elevated 4 LA21239-1
No test 5 LA21224-3
Unk 9 LA14945-2

Basic Attributes

Class
SURVEY.CDC
Type
Surveys
First Released
Version 2.48
Last Updated
Version 2.48
Order vs. Observation
Observation

Member of these Panels

LOINC Long Common Name
75199-0 Congenital syphilis case investigation and report panel [CDC.CS]

LOINC Terminology Service (API) using HL7® FHIR® Get Info

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=75196-6