LOINCActiveBoth

LOINC Code 48649-8: OJ Ab RIPA Ql (S)

48649-8 is a LOINC code used to identify OJ Ab RIPA Ql (S) 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 OJ Ab. It is commonly used with the system or sample type Ser.

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 OJ Ab. It is commonly used with the system or sample type Ser.

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: RIPA

What it does not mean

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

Key facts

  • OJ Ab [Presence] in Serum by Radioimmunoprecipitation assay (RIPA)
  • OJ Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; CADM; Clinically amyopathic DM; Dermatomyositis, Adult Type; ILD; Interstitial Lung Disease; Isoleucyl tRNA Synthetase; Ordinal; Point in time; Polymyositis, Idiopathic; PR; QL; Qual; Qualitative; Radioimmunoprecipitation assay; Random; Screen; Serology; Serum; SR

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

OJ Ab RIPA Ql (S)OJ Ab [Presence] in Serum by Radioimmunoprecipitation assay (RIPA)OJ Ab Ser Ql RIPAOJ AbSEROOJ antibody, BloodPrThr

Frequently asked questions

Code details

Code48649-8
SystemLOINC
Display nameOJ Ab RIPA Ql (S)
DescriptionOJ Ab
Short nameOJ Ab Ser Ql RIPA
ComponentOJ Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodRIPA
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.21
Last changed2.73

Consumer names

OJ antibody, Blood

Part names

OJ AbPrThrPtSerOrdRIPAPresence or ThresholdPoint in time (spot)SerumRadioimmunoprecipitation assay (RIPA)

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 48649-8 | HealthAssure