Viscosity of Serum Qualitative   41241-1

LOINC Code


LOINC code41241-1
nameViscosity of Serum Qualitative
descriptionPlasma and serum viscosity measurements are used in the clinical management of patients with hyperviscosity syndrome, which is caused by a variety of clinical diagnoses, such as polycythemia, Waldenström macroglobulinemia, multiple myeloma, and occasional cases of rheumatoid arthritis, SLE, systemic lupus erythematosus, hyperfibrinogenemia and leukemia. Common symptoms of hyperviscosity are, bleeding, visual signs or symptoms, and neurologic deficits. The viscosity at which symptoms develop is variable, but they rarely appear below a serum or plasma viscosity of 3 cP. Viscosity is reported in units defined as "rel to H2O", and are expressed in centipoise (cP). [PMID: 16830959] Whole blood viscosity is increased in polycythemia, rouleau formation, and other conditions listed for serum and plasma, but may be of limited clinical value because of the differences in shear rates between the instrument and in vivo conditions.[Tietz]
statusACTIVE

Fully-Specified Name

componentViscosity
propertyVisc  =  Viscosity
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.
systemSer  =  Serum
scaleOrd  =  Ordinal:  Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive.
method

Additional Names

short nameVisc Ser Ql

Basic Attributes

classSPEC
type1  Laboratory
order vs. observationObservation

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

test rank12432 of 2000 most commonly performed tests by labs in USA
first released
last updated2.73
last change typeMIN  - change to field other than name

Related Names

Ordinal
Point in time
QL
Qual
Qualitative
Random
Screen
Serum
SPEC
SR
Vicos
Viscos
Viscosity

Copyright © 2024 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2024, 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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