What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCBoth

LOINC Code 81715-5: Centromere protein B Ab IB Ql (CSF)

Name: LOINC Code 81715-5: Centromere protein B Ab IB Ql (CSF)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:05.776Z

81715-5 is a LOINC code used to identify Centromere protein B Ab IB Ql (CSF) in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Centromere protein B Ab. It is commonly used with the system or sample type CSF.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Centromere protein B Ab. It is commonly used with the system or sample type CSF.

When is it used?

Used in lab systems, EHRs, and clinical data exchange.
May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
Status: DEPRECATED
Order vs observation: Both
Method: IB

What it does not mean

The code identifies the observation or test, not the actual result.

Key facts

Deprecated Centromere protein B Ab [Presence] in Cerebral spinal fluid by Immunoblot
Centromere protein B Ab
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Blt; Cen; CENP B; CENPB; CENP-B; Centromere B; Cerebral spinal fluid; Cerebrospinal Fl; CRST syndrome; Immune blot; Immunobl; Immunoblot; Major centromere autoantigen B; Neuro; Neurology; Ordinal; Point in time; PR; Prot; QL; Qual; Qualitative; Random; RIBA; Screen; Serology; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; WB; WBLOT; West blot; West blt; Western blot

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Centromere protein B Ab IB Ql (CSF)Deprecated Centromere protein B Ab [Presence] in Cerebral spinal fluid by ImmunoblotDeprecated Centromere B Ab CSF Ql IBCentromere protein B AbSEROCentromere Protein B antibody, Spinal fluidPrThr

Frequently asked questions

Code details

Code81715-5

SystemLOINC

Display nameCentromere protein B Ab IB Ql (CSF)

DescriptionCentromere protein B Ab

Short nameDeprecated Centromere B Ab CSF Ql IB

ComponentCentromere protein B Ab

PropertyPrThr

TimingPt

System (specimen)CSF

ScaleOrd

MethodIB

ClassSERO

StatusDEPRECATED

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.56

Last changed2.58

Consumer names

Centromere Protein B antibody, Spinal fluid

Part names

Centromere protein B AbPrThrPtCSFOrdIBPresence or ThresholdPoint in time (spot)Cerebral spinal fluidImmunoblot

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.