Protein [Mass/volume] in Cerebral spinal fluid --4th tube 76668-3
LOINC Code
| LOINC code | 76668-3 | ||
|---|---|---|---|
| name | Protein [Mass/volume] in Cerebral spinal fluid --4th tube | ||
| description | A 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. Only a small amount of protein is normally present in CSF because proteins are large molecules and do not cross the blood/brain barrier easily. Decreases in CSF protein are not generally considered significant. Increases in protein are most commonly seen with; meningitis and brain abscesses, brain or spinal cord tumors, multiple sclerosis and other disorders. [Lab Tests Online] | ||
| status | ACTIVE | ||
Fully-Specified Name | |||
| component | Protein^4th tube | ||
| property | MCnc = Mass Concentration | ||
| time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | ||
| system | CSF = Cerebral spinal fluid | ||
| scale | Qn = Quantitative: The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256 | ||
| method | |||
Additional Names | |||
| short name | Prot tube4 CSF-mCnc | ||
Basic Attributes | |||
| class | CHEM | ||
| type | 1 Laboratory | ||
| order vs. observation | Both | ||
| example UCUM units | g/mL The Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measures being contemporarily used in international science, engineering, and business (www.unitsofmeasure.org) | ||
| example unit | g/mL | ||
Associated Observations | |||
LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations. | |||
History/Usage | |||
| first released | |||
| last updated | 2.52 | ||
| last change type | MIN - change to field other than name | ||
Related Names | |||
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