LOINCActiveBoth

LOINC Code 29647-5: Interferon beta Ab Ql

29647-5 is a LOINC code used to identify Interferon beta Ab Ql 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 Interferon.beta Ab. It is commonly used with the system or sample type Ser/Plas.

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 Interferon.beta Ab. It is commonly used with the system or sample type Ser/Plas.

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

What it does not mean

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

Key facts

  • Interferon beta Ab [Presence] in Serum or Plasma
  • Interferon.beta Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; B; Betaferon; B-IFN 1A+1B; IFN; IFN-B; INF-B; Ordinal; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serology; SerP; SerPl; SerPlas; Serum; Serum or plasma; 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

Interferon beta Ab QlInterferon beta Ab [Presence] in Serum or PlasmaIFN-B Ab SerPl QlInterferon.beta AbSEROInterferon beta antibody, BloodPrThr

Frequently asked questions

Code details

Code29647-5
SystemLOINC
Display nameInterferon beta Ab Ql
DescriptionInterferon.beta Ab
Short nameIFN-B Ab SerPl Ql
ComponentInterferon.beta Ab
PropertyPrThr
TimingPt
System (specimen)Ser/Plas
ScaleOrd
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.03
Last changed2.73

Consumer names

Interferon beta antibody, Blood

Part names

Interferon.beta AbPrThrPtSer/PlasOrdInterferon beta AbPresence or ThresholdPoint in time (spot)Serum or Plasma

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 29647-5 | HealthAssure