LOINCActiveBoth

LOINC Code 50979-4: CBir1 Ab IA Qn (S)

50979-4 is a LOINC code used to identify CBir1 Ab IA Qn (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 CBir1 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 CBir1 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: IA

What it does not mean

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

Key facts

  • CBir1 Ab [Units/volume] in Serum by Immunoassay
  • CBir1 Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; MEIA; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

CBir1 Ab IA Qn (S)CBir1 Ab [Units/volume] in Serum by ImmunoassayCBir1 Ab Ser IA-aCncCBir1 AbSEROCBir1 antibody, BloodACnc

Frequently asked questions

Code details

Code50979-4
SystemLOINC
Display nameCBir1 Ab IA Qn (S)
DescriptionCBir1 Ab
Short nameCBir1 Ab Ser IA-aCnc
ComponentCBir1 Ab
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
MethodIA
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.73

Consumer names

CBir1 antibody, Blood

Part names

CBir1 AbACncPtSerQnIAArbitrary ConcentrationPoint 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 50979-4 | HealthAssure