LOINCActiveObservation

LOINC Code 45159-1: HBV and HDV Ab Nar (S) [Interp]

45159-1 is a LOINC code used to identify HBV and HDV Ab Nar (S) [Interp] 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 B virus & Hepatitis D 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 B virus & Hepatitis D 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: Observation

What it does not mean

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

Key facts

  • Hepatitis B virus and Hepatitis D virus Ab [Interpretation] in Serum Narrative
  • Hepatitis B virus & Hepatitis D virus Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Delta hepatitis; Dextro; HBV; HBV & HDV; HDV; HDVAB; Hep; Hep B; Hep D; Hep Delta; Hepatis; Hepatit; Hepatitis delta virus; HepB; ID; Impression; Impression/interpretation of study; Impressions; Infectious Disease; InfectiousDisease; Interp; Interpretation; Microbiology; Narrative; Point in time; Random; Report; Serum; 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

HBV and HDV Ab Nar (S) [Interp]Hepatitis B virus and Hepatitis D virus Ab [Interpretation] in Serum NarrativeHBV & HDV Ab Ser-ImpHepatitis B virus & Hepatitis D virus AbMICROInterpretation of Hepatitis B virus (HBV) and HDV antibody test result, BloodImp

Frequently asked questions

Code details

Code45159-1
SystemLOINC
Display nameHBV and HDV Ab Nar (S) [Interp]
DescriptionHepatitis B virus & Hepatitis D virus Ab
Short nameHBV & HDV Ab Ser-Imp
ComponentHepatitis B virus & Hepatitis D virus Ab
PropertyImp
TimingPt
System (specimen)Ser
ScaleNar
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.48

Consumer names

Interpretation of Hepatitis B virus (HBV) and HDV antibody test result, Blood

Part names

Hepatitis B virus & hepatitis D virus AbImpPtSerNarHepatitis B virus and hepatitis D virus AbImpression/interpretation of studyPoint in time (spot)Serum

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 45159-1 | HealthAssure