What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 57911-0: Basement membrane zone BP230 Ab Qn

Name: LOINC Code 57911-0: Basement membrane zone BP230 Ab Qn
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:38.758Z

57911-0 is a LOINC code used to identify Basement membrane zone BP230 Ab Qn 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 Basement membrane zone BP230 Ab. 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 Basement membrane zone BP230 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

Basement membrane zone BP230 Ab [Units/volume] in Serum or Plasma
Basement membrane zone BP230 Ab
ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Basem; Basemt; BM; BMZ; BMZ BP230; Pemphigoid; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Basement membrane zone BP230 Ab QnBasement membrane zone BP230 Ab [Units/volume] in Serum or PlasmaBMZ BP230 Ab SerPl-aCncBasement membrane zone BP230 AbSEROBasement Membrane Zone BP230 antibody, BloodACnc

Frequently asked questions

Code details

Code57911-0

SystemLOINC

Display nameBasement membrane zone BP230 Ab Qn

DescriptionBasement membrane zone BP230 Ab

Short nameBMZ BP230 Ab SerPl-aCnc

ComponentBasement membrane zone BP230 Ab

PropertyACnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassSERO

Example unitsarb U/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.29

Last changed2.73

Consumer names

Basement Membrane Zone BP230 antibody, Blood

Part names

Basement membrane zone BP230 AbACncPtSer/PlasQnArbitrary ConcentrationPoint 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.