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LOINC Code 53715-9: Paraneoplastic Ab IB Ql (CSF)

53715-9 is a LOINC code used to identify Paraneoplastic 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 Paraneoplastic Ab. It is commonly used with the system or sample type CSF.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Paraneoplastic 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: ACTIVE
  • Order vs observation: Both
  • Method: IB

What it does not mean

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

Key facts

Paraneoplastic Ab [Presence] in Cerebral spinal fluid by Immunoblot
Paraneoplastic Ab
Paraneoplastic Autoantibody Cerobrospinal Fluid (CSF) Qualitative test by Immunoblot (Western Blot). Western blot testing is indicated in the infrequent situation that interference by coexisting nonneuronal-specific autoantibodies precludes IFA (Immunofluorescence Assay) interpretation. It is not cost-effective for routine serological screening. Information from Mayo Medical Laboratory, https//mmlaccess.com, accessed 2008 02 18. Paraneoplastic syndromes are autoantibody-mediated neurologic disorders associated with underlying tumors. These syndromes arise when systemic tumors express antigens normally found only in neural tissues.
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Blt; Cerebral spinal fluid; Cerebrospinal Fl; Immune blot; Immunobl; Immunoblot; Ordinal; Point in time; PR; 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

Paraneoplastic Ab IB Ql (CSF)Paraneoplastic Ab [Presence] in Cerebral spinal fluid by ImmunoblotParaneoplastic Ab CSF Ql IBParaneoplastic AbSEROParaneoplastic antibody, Spinal fluidPrThr

Frequently asked questions

Code details

Code53715-9
SystemLOINC
Display nameParaneoplastic Ab IB Ql (CSF)
DescriptionParaneoplastic Ab
Short nameParaneoplastic Ab CSF Ql IB
ComponentParaneoplastic Ab
PropertyPrThr
TimingPt
System (specimen)CSF
ScaleOrd
MethodIB
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.26
Last changed2.73

Consumer names

Paraneoplastic antibody, Spinal fluid

Part names

Paraneoplastic 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.

LOINC Code 53715-9 | HealthAssure