LOINCActiveBoth

LOINC Code 3276-3: Kininogen HMW Coag Qn (PPP)

3276-3 is a LOINC code used to identify Kininogen HMW Coag 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 Kininogen.high molecular weight. It is commonly used with the system or sample type PPP.

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 Kininogen.high molecular weight. 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: Coag

What it does not mean

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

Key facts

  • Kininogen HMW [Units/volume] in Platelet poor plasma by Coagulation assay
  • Kininogen.high molecular weight
  • Alpha-1-cysteine proteinase inhibitor; Alpha-1-thiol proteinase inhibitor; Alpha-one-cystein proteinase inhibitor; Arbitrary concentration; Clot; Clottable; COAGULATION; Coagulation assay; Fitzgerald factor; Flaujeac factor; Hematology; Heme; HMrK; HMW; HMW kininogen; HMWK; Plas; Platelet poor plasma; Point in time; QNT; Quan; Quant; Quantitative; Random; Tilt tube; Williams factor; 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 HMW Coag Qn (PPP)Kininogen HMW [Units/volume] in Platelet poor plasma by Coagulation assayHMWK PPP-aCncKininogen.high molecular weightCOAGKininogen HMW, BloodACnc

Frequently asked questions

Code details

Code3276-3
SystemLOINC
Display nameKininogen HMW Coag Qn (PPP)
DescriptionKininogen.high molecular weight
Short nameHMWK PPP-aCnc
ComponentKininogen.high molecular weight
PropertyACnc
TimingPt
System (specimen)PPP
ScaleQn
MethodCoag
ClassCOAG
Example unitsarb U/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.68

Consumer names

Kininogen HMW, Blood

Part names

Kininogen.high molecular weightACncPtPPPQnCoagKininogen HMWArbitrary ConcentrationPoint in time (spot)Platelet poor plasmaCoagulation assay

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 3276-3 | HealthAssure