LOINCActiveBoth

LOINC Code 6770-2: Alpha 1 antitrypsin phenotype Immunofixation

6770-2 is a LOINC code used to identify Alpha 1 antitrypsin phenotype Immunofixation 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 Alpha 1 antitrypsin phenotype. It is commonly used with the system or sample type Ser/Plas.

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 Alpha 1 antitrypsin phenotype. It is commonly used with the system or sample type Ser/Plas.

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: Immunofixation

What it does not mean

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

Key facts

  • Alpha 1 antitrypsin phenotype [Identifier] in Serum or Plasma by Immunofixation
  • Alpha 1 antitrypsin phenotype
  • A1; A1A; A1AT; A-1-AT; A1-AT; A1AT Phenotyp; AAT; Alfa; Alpha-1-antitrypsin.total; Alpha-1-protease inhibitor; Alpha-1-proteinase inhibitor; Alpha-1-trypsin inhibitor; Chemistry; Hepatology; i; Identity or presence; IFE; Ifix; Immunofixation electrophoresis; Liver; Lung; Nominal; Pl; Plasma; Plsm; Point in time; Pulmonary; Pulmonology; Random; Respiratory; SerP; SerPl; SerPlas; Serum; Serum or plasma; 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

Alpha 1 antitrypsin phenotype ImmunofixationAlpha 1 antitrypsin phenotype [Identifier] in Serum or Plasma by ImmunofixationA1AT Phenotyp SerPl IFEAlpha 1 antitrypsin phenotypeCHEMAlpha 1 antitrypsin phenotype, BloodPrid

Frequently asked questions

Code details

Code6770-2
SystemLOINC
Display nameAlpha 1 antitrypsin phenotype Immunofixation
DescriptionAlpha 1 antitrypsin phenotype
Short nameA1AT Phenotyp SerPl IFE
ComponentAlpha 1 antitrypsin phenotype
PropertyPrid
TimingPt
System (specimen)Ser/Plas
ScaleNom
MethodImmunofixation
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(2)
Last changed2.73

Consumer names

Alpha 1 antitrypsin phenotype, Blood

Part names

Alpha 1 antitrypsin phenotypePridPtSer/PlasNomImmunofixationPresence or IdentityPoint in time (spot)Serum or Plasma

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 6770-2 | HealthAssure