LOINCActiveBoth

LOINC Code 3259-9: Fibrinogen fragments Ag IA Qn (PPP)

3259-9 is a LOINC code used to identify Fibrinogen fragments Ag IA Qn (PPP) 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 Fibrinogen fragments Ag. It is commonly used with the system or sample type PPP.

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 Fibrinogen fragments Ag. It is commonly used with the system or sample type PPP.

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: IA

What it does not mean

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

Key facts

  • Fibrinogen fragments Ag [Units/volume] in Platelet poor plasma by Immunoassay
  • Fibrinogen fragments Ag
  • Antigen; Antigens; Arbitrary concentration; COAGULATION; Coagulation factor I; EIA; ELFA; ELISA; Enzyme immunoassay; FgDP; FGN; Fibrinogen Frg; Frag; Fragment; Hematology; Heme; IAA; MEIA; Plas; Platelet poor plasma; Point in time; QNT; Quan; Quant; Quantitative; Random; SUDS

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

Fibrinogen fragments Ag IA Qn (PPP)Fibrinogen fragments Ag [Units/volume] in Platelet poor plasma by ImmunoassayFibrinogen Frg Ag PPP IA-aCncFibrinogen fragments AgCOAGFibrinogen fragments antigen, BloodACnc

Frequently asked questions

Code details

Code3259-9
SystemLOINC
Display nameFibrinogen fragments Ag IA Qn (PPP)
DescriptionFibrinogen fragments Ag
Short nameFibrinogen Frg Ag PPP IA-aCnc
ComponentFibrinogen fragments Ag
PropertyACnc
TimingPt
System (specimen)PPP
ScaleQn
MethodIA
ClassCOAG
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Fibrinogen fragments antigen, Blood

Part names

Fibrinogen fragments AgACncPtPPPQnIAArbitrary ConcentrationPoint in time (spot)Platelet poor plasmaImmunoassay

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.