11153-4

Hematocrit [Volume Fraction] of Body fluid by calculation

Active

Part Descriptions

LP16699-8   Erythrocyte
Erythrocytes or red blood cells (RBCs) are the cells in the circulation that carry oxygen to and remove carbon dioxide from the tissues throughout the body. They are produced in the bone marrow in response to erythropoietin where they transition through six stages over a seven day period. When they are released into the circulation, their nucleus has been extruded and they measure 6-8 microns in diameter. The lifespan of RBCs is about 120 days. When the RBC ages the cell membrane becomes less pliable and tears as they cell travels through the micro vessels of the body. The damaged RBCs are removed from the circulation by the spleen. Variations in number, shape and size of RBCs are indicative of many diseases and disorders. There are many factors that may lead to decreased numbers of RBCs including hemorrhage, hemolysis, iron or vitamin deficiency, marrow failure and more. Larger than normal RBCs may be indicative of liver disease while smaller than normal RBCs are seen in thalassemias and other anemias.(Mosby's manual of diagnostic and laboratory tests, Kathleen Deska Pagana; Timothy James Pagana, Elsevier St. Louis, Mo ©2010) Source: Regenstrief LOINC

LP7238-1   Body fld
The LOINC "Body fld" System represents body fluids other than serum, plasma, blood, urine, and cerebrospinal fluid. When a LOINC term with the System "Body fld" is used, the specific specimen source or body fluid type should be reported elsewhere with the result. Where more specific terms for pleural, peritoneal, synovial fluid, etc. exist, we encourage you to use the more specific terms. In contrast to "Body fld", the System "Asp" in LOINC represents the fluid withdrawn during an aspiration procedure from an abnormal collection of fluid, such as from an abscess or cyst. "Asp" is used for abnormal fluid collections that are aspirated, while "Body fld" is used for named body fluids, such as synovial fluid or peritoneal fluid, that are not inherently pathologic. Source: Regenstrief LOINC

Fully-Specified Name

Component

Erythrocyte/Body fluid

Property

VFr

Time

Pt

System

Body fld

Scale

Qn

Method

Calculated

Additional Names

Long Common Name

Hematocrit [Volume Fraction] of Body fluid by calculation

Short Name

Hct VFr Fld Calc

Display Name

Hematocrit Calc (Body fld) [Volume fraction]

Consumer Name Alpha Get Info

Hematocrit, Body fluid

Basic Attributes

Class

HEM/BC

Type

Laboratory

First Released

Version 1.0j-a

Last Updated

Version 2.79 (NAM)

Change Reason

Release 2.79: COMPONENT: Triggered by Coll w SCT:Hematocrit as a component is not an adequate description for a ratio, therefore Hematocrit is kept as a synonym, and the actual component is expressed as it should be:Erythrocyte/Specimen Volume;

Order vs. Observation

Both

Common Test Rank Get Info

769

Member of these Panels

Language Variants Get Info

Related Names

• B/F
• BF
• bod
• Bodies
• Body fluid
• Body fluid, unsp
• Calc
• Calculation
• Discocyte
• Erc
• Erythrocytes
• Fl
• Fld
• FLU
• Fluid
• HEMATOLOGY/CELL COUNTS
• Percent
• Point in time
• QNT
• Quan
• Quant
• Quantitative
• Random
• RBC
• Red blood cell
• Red blood cells
• Red blood corpuscle
• Red blood corpusles
• Red cell
• Red cells
• UniversalLabOrders
• Volfr
• Volume fraction

Example Units

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

Requests to this service require a free LOINC username and password. Below is a sample of the possible capabilities. See the LOINC Terminology Service documentation for more information.

CodeSystem lookup

https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=11153-4

LOINC Copyright

Copyright © 2025 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.