LOINCActiveBoth

LOINC Code 77741-7: Streptavidin IB Ql

77741-7 is a LOINC code used to identify Streptavidin IB 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 Streptavidin. It is commonly used with the system or sample type Ser/Plas.

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 Streptavidin. 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
  • Method: IB

What it does not mean

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

Key facts

  • Streptavidin [Presence] in Serum or Plasma by Immunoblot
  • Streptavidin
  • This term was created for, but not limited in use to, the submitter's INNO-LIA HTLV I and II Score is a Line Immune Assay, to detect antibodies against human T-cell lymphotropic virus type I (HTLV-I) and type II (HTLV-II).
  • Blt; ID; IMMUNE BLOT; Immunobl; Immunoblot; Infectious Disease; InfectiousDisease; Microbiology; Ordinal; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; RIBA; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; 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

Streptavidin IB QlStreptavidin [Presence] in Serum or Plasma by ImmunoblotStreptavidin SerPl Ql IBStreptavidinMICROStreptavidin, BloodPrThr

Frequently asked questions

Code details

Code77741-7
SystemLOINC
Display nameStreptavidin IB Ql
DescriptionStreptavidin
Short nameStreptavidin SerPl Ql IB
ComponentStreptavidin
PropertyPrThr
TimingPt
System (specimen)Ser/Plas
ScaleOrd
MethodIB
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.52
Last changed2.73

Consumer names

Streptavidin, Blood

Part names

StreptavidinPrThrPtSer/PlasOrdIBPresence or ThresholdPoint in time (spot)Serum or PlasmaImmunoblot

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 77741-7 | HealthAssure