LOINCActiveBoth

LOINC Code 47401-5: CV2 IgG IB Ql (S)

47401-5 is a LOINC code used to identify CV2 IgG IB 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 CV2 Ab.IgG. 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 CV2 Ab.IgG. 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: IB

What it does not mean

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

Key facts

  • CV2 IgG Ab [Presence] in Serum by Immunoblot
  • CV2 Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Blt; Collapsin response mediator protein 5; Collapsin response mediator protein 5 Ab; Collapsin response mediator protein 5 Ab.IgG; CRMP5; CRMP-5; Immune blot; Immune globulin G; Immunobl; Immunoblot; Immunoglobulin G; Ordinal; Point in time; POP66; PR; QL; Qual; Qualitative; Random; RIBA; Screen; Serology; Serum; SR; ULIP; 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

CV2 IgG IB Ql (S)CV2 IgG Ab [Presence] in Serum by ImmunoblotCV2 IgG Ser Ql IBCV2 Ab.IgGSEROCV2 IgG antibody, BloodPrThr

Frequently asked questions

Code details

Code47401-5
SystemLOINC
Display nameCV2 IgG IB Ql (S)
DescriptionCV2 Ab.IgG
Short nameCV2 IgG Ser Ql IB
ComponentCV2 Ab.IgG
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIB
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.19
Last changed2.73

Consumer names

CV2 IgG antibody, Blood

Part names

CV2 Ab.IgGPrThrPtSerOrdIBCV2 IgGPresence or ThresholdPoint in time (spot)SerumImmunoblot

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 47401-5 | HealthAssure