LOINCActiveBoth

LOINC Code 47217-5: Immune Complex C3d [Mass/Vol]

47217-5 is a LOINC code used to identify Immune Complex C3d [Mass/Vol] 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.C3d. 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.C3d. 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

  • Immune Complex C3d [Mass/volume] in Serum or Plasma
  • Immune complex.C3d
  • CIC; Circulating immune complex; Compx; IC; IC C3d; Imm; Imun; Imune; Level; Mass concentration; 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 C3d [Mass/Vol]Immune Complex C3d [Mass/volume] in Serum or PlasmaIC C3d SerPl-mCncImmune complex.C3dSEROImmune Complex C3d, BloodMCnc

Frequently asked questions

Code details

Code47217-5
SystemLOINC
Display nameImmune Complex C3d [Mass/Vol]
DescriptionImmune complex.C3d
Short nameIC C3d SerPl-mCnc
ComponentImmune complex.C3d
PropertyMCnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassSERO
Example unitsug/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Immune Complex C3d, Blood

Part names

Immune complex.C3dMCncPtSer/PlasQnImmune Complex C3dMass 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 47217-5 | HealthAssure