LOINCActiveBoth

LOINC Code 58706-3: OmpC IgA IA Ql (S)

58706-3 is a LOINC code used to identify OmpC IgA IA 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 OmpC Ab.IgA. 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 OmpC Ab.IgA. 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: IA

What it does not mean

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

Key facts

  • OmpC IgA Ab [Presence] in Serum by Immunoassay
  • OmpC Ab.IgA
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; Immune globulin A; Immunoglobulin A; MEIA; Ordinal; Outer membrane porin of E coli; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serology; Serum; SR; SUDS

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

OmpC IgA IA Ql (S)OmpC IgA Ab [Presence] in Serum by ImmunoassayOmpC IgA Ser Ql IAOmpC Ab.IgASEROOmpC IgA antibody, BloodPrThr

Frequently asked questions

Code details

Code58706-3
SystemLOINC
Display nameOmpC IgA IA Ql (S)
DescriptionOmpC Ab.IgA
Short nameOmpC IgA Ser Ql IA
ComponentOmpC Ab.IgA
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIA
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.32
Last changed2.70

Consumer names

OmpC IgA antibody, Blood

Part names

OmpC Ab.IgAPrThrPtSerOrdIAOmpC IgAPresence or ThresholdPoint in time (spot)SerumImmunoassay

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 58706-3 | HealthAssure