LOINCActiveBoth

LOINC Code 3280-5: Kininogen LMW IA (S) [Mass/Vol]

3280-5 is a LOINC code used to identify Kininogen LMW IA (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 Kininogen.low molecular weight. 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 Kininogen.low molecular weight. 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
  • Method: IA

What it does not mean

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

Key facts

  • Kininogen LMW [Mass/volume] in Serum by Immunoassay
  • Kininogen.low molecular weight
  • COAGULATION; EIA; ELFA; ELISA; Enzyme immunoassay; Hematology; Heme; IAA; Level; LK; LMWK; Mass Concentration; MEIA; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; SUDS; Wt

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

Kininogen LMW IA (S) [Mass/Vol]Kininogen LMW [Mass/volume] in Serum by ImmunoassayLMWK Ser IA-mCncKininogen.low molecular weightCOAGKininogen LMW, BloodMCnc

Frequently asked questions

Code details

Code3280-5
SystemLOINC
Display nameKininogen LMW IA (S) [Mass/Vol]
DescriptionKininogen.low molecular weight
Short nameLMWK Ser IA-mCnc
ComponentKininogen.low molecular weight
PropertyMCnc
TimingPt
System (specimen)Ser
ScaleQn
MethodIA
ClassCOAG
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.58

Consumer names

Kininogen LMW, Blood

Part names

Kininogen.low molecular weightMCncPtSerQnIAKininogen LMWMass ConcentrationPoint in time (spot)SerumImmunoassay

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 3280-5 | HealthAssure