LOINCActiveBoth

LOINC Code 4488-3: Complement C3a [Mass/Vol]

4488-3 is a LOINC code used to identify Complement C3a [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 Complement C3a. It is commonly used with the system or sample type Ser/Plas.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Complement C3a. 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

  • Complement C3a [Mass/volume] in Serum or Plasma
  • Complement C3a
  • Comp; Complmt; HEMATOLOGY/CELL COUNTS; Level; Mass concentration; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Complement C3a [Mass/Vol]Complement C3a [Mass/volume] in Serum or PlasmaC3a SerPl-mCncComplement C3aHEM/BCComplement C3a, BloodMCnc

Frequently asked questions

Code details

Code4488-3
SystemLOINC
Display nameComplement C3a [Mass/Vol]
DescriptionComplement C3a
Short nameC3a SerPl-mCnc
ComponentComplement C3a
PropertyMCnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassHEM/BC
Example unitsmg/dL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.73

Consumer names

Complement C3a, Blood

Part names

Complement C3aMCncPtSer/PlasQnMass 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 4488-3 | HealthAssure