LOINCActiveBoth

LOINC Code 3277-1: Kininogen HMW IA (PPP) [Mass/Vol]

3277-1 is a LOINC code used to identify Kininogen HMW IA (PPP) [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.high molecular weight. 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 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: IA

What it does not mean

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

Key facts

  • Kininogen HMW [Mass/volume] in Platelet poor plasma by Immunoassay
  • Kininogen.high molecular weight
  • Alpha-1-cysteine proteinase inhibitor; Alpha-1-thiol proteinase inhibitor; Alpha-one-cystein proteinase inhibitor; COAGULATION; EIA; ELFA; ELISA; Enzyme immunoassay; Fitzgerald factor; Flaujeac factor; Hematology; Heme; HMrK; HMW; HMW kininogen; HMWK; IAA; Level; Mass concentration; MEIA; Plas; Platelet poor plasma; Point in time; QNT; Quan; Quant; Quantitative; Random; SUDS; 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 IA (PPP) [Mass/Vol]Kininogen HMW [Mass/volume] in Platelet poor plasma by ImmunoassayHMWK PPP IA-mCncKininogen.high molecular weightCOAGKininogen HMW, BloodMCnc

Frequently asked questions

Code details

Code3277-1
SystemLOINC
Display nameKininogen HMW IA (PPP) [Mass/Vol]
DescriptionKininogen.high molecular weight
Short nameHMWK PPP IA-mCnc
ComponentKininogen.high molecular weight
PropertyMCnc
TimingPt
System (specimen)PPP
ScaleQn
MethodIA
ClassCOAG
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Kininogen HMW, Blood

Part names

Kininogen.high molecular weightMCncPtPPPQnIAKininogen HMWMass 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.

LOINC Code 3277-1 | HealthAssure