76677-4

LOINC Code


LOINC code76677-4
name
descriptionA sample of cerebrospinal fluid (CSF) is collected using a procedure called a lumbar puncture or spinal tap. Often, three or more separate tubes of CSF are collected (tube 1, tube 2, tube 3), and multiple tests may be run on the different tubes. Cloudy or turbid CSF may indicate the presence of white or red blood cells, microorganisms, or an increase in protein levels. [Lab Tests Online]
statusACTIVE

Fully-Specified Name

componentAppearance^3rd tube
propertyAper  =  Appearance
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
systemCSF  =  Cerebral spinal fluid
scaleNom  =  Nominal:  Nominal or categorical responses that do not have a natural ordering. (e.g., names of bacteria, reported as answers, categories of appearance that do not have a natural ordering, such as, yellow, clear, bloody.
method

Additional Names

short nameAppear; Appearance; Appr; Cerebral spinal fluid; Cerebrospinal Fl; Nominal; Point in time; Random; SPEC; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; tube3

Basic Attributes

classSPEC
type1  Laboratory
order vs. observationAppearance tube

History/Usage

first released
last updated2.83
last change typeMIN  - change to field other than name

Related Names



Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, 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.

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