LOINCActiveBoth

LOINC Code 49776-8: HEV Ab IA Qn (S)

49776-8 is a LOINC code used to identify HEV Ab IA Qn (S) 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 Hepatitis E virus Ab. 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 Hepatitis E virus Ab. 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

  • Hepatitis E virus Ab [Units/volume] in Serum by Immunoassay
  • Hepatitis E virus Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; EIA; ELFA; ELISA; Enzyme immunoassay; Hep; Hep E; Hepatis; Hepatit; HEV; IAA; ID; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; 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

HEV Ab IA Qn (S)Hepatitis E virus Ab [Units/volume] in Serum by ImmunoassayHEV Ab Ser IA-aCncHepatitis E virus AbMICROHEV antibody, BloodACnc

Frequently asked questions

Code details

Code49776-8
SystemLOINC
Display nameHEV Ab IA Qn (S)
DescriptionHepatitis E virus Ab
Short nameHEV Ab Ser IA-aCnc
ComponentHepatitis E virus Ab
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.69

Consumer names

HEV antibody, Blood

Part names

Hepatitis E virus AbACncPtSerQnIAArbitrary 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 49776-8 | HealthAssure