LOINCBoth

LOINC Code 13630-9: Immune complex Conglutinin assay Qn

13630-9 is a LOINC code used to identify Immune complex Conglutinin assay 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 Immune complex. 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 Immune complex. 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: DEPRECATED
  • Order vs observation: Both
  • Method: Conglutinin assay

What it does not mean

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

Key facts

  • Deprecated Immune complex [Units/volume] in Serum or Plasma by Conglutinin assay
  • Immune complex
  • Arbitrary concentration; CIC; Circulating immune complex; Compx; IC; Imm; Imun; Imune; 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

Immune complex Conglutinin assay QnDeprecated Immune complex [Units/volume] in Serum or Plasma by Conglutinin assayDeprecated IC SerPl Cong-aCncImmune complexSEROImmune complex, BloodACnc

Frequently asked questions

Code details

Code13630-9
SystemLOINC
Display nameImmune complex Conglutinin assay Qn
DescriptionImmune complex
Short nameDeprecated IC SerPl Cong-aCnc
ComponentImmune complex
PropertyACnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
MethodConglutinin assay
ClassSERO
Example unitsug Eq/mL
StatusDEPRECATED
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0k
Last changed2.70

Consumer names

Immune complex, Blood

Part names

Immune complexACncPtSer/PlasQnConglutinin assayArbitrary 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.

LOINC Code 13630-9 | HealthAssure