LOINCActiveBoth

LOINC Code 16867-4: Fibronectin aggregate IgG (S) [Mass/Vol]

16867-4 is a LOINC code used to identify Fibronectin aggregate IgG (S) [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 Fibronectin aggregate 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 Fibronectin aggregate 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

What it does not mean

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

Key facts

  • Fibronectin aggregate IgG Ab [Mass/volume] in Serum
  • Fibronectin aggregate Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Fn; IgG-Fn; Immune globulin G; Immunoglobulin G; Level; Mass concentration; Point in time; QNT; Quan; Quant; Quantitative; Random; Serology; Serum; 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

Fibronectin aggregate IgG (S) [Mass/Vol]Fibronectin aggregate IgG Ab [Mass/volume] in SerumFibronectin Aggr IgG Ser-mCncFibronectin aggregate Ab.IgGSEROFibronectin Aggregate IgG antibody, BloodMCnc

Frequently asked questions

Code details

Code16867-4
SystemLOINC
Display nameFibronectin aggregate IgG (S) [Mass/Vol]
DescriptionFibronectin aggregate Ab.IgG
Short nameFibronectin Aggr IgG Ser-mCnc
ComponentFibronectin aggregate Ab.IgG
PropertyMCnc
TimingPt
System (specimen)Ser
ScaleQn
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Fibronectin Aggregate IgG antibody, Blood

Part names

Fibronectin aggregate Ab.IgGMCncPtSerQnFibronectin Aggregate IgGMass ConcentrationPoint in time (spot)Serum

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 16867-4 | HealthAssure