What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 111511-2: Hepatitis B virus reverse transcriptase gene mutations Sequencing Ql

Name: LOINC Code 111511-2: Hepatitis B virus reverse transcriptase gene mutations Sequencing Ql
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:21.941Z

111511-2 is a LOINC code used to identify Hepatitis B virus reverse transcriptase gene mutations Sequencing Ql 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 reverse transcriptase gene mutations. 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 Hepatitis B virus reverse transcriptase gene mutations. 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: Sequencing

What it does not mean

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

Key facts

Hepatitis B virus reverse transcriptase gene mutations [Presence] in Serum or Plasma by Sequencing
Hepatitis B virus reverse transcriptase gene mutations
HBV; HBV RT gene mut; Hep; Hep B; Hepatis; Hepatit; HepB; high-throughput sequencing; HTS; Microbiology; Mut; Mutation; Muts; Next generation sequencing; NGS; Ordinal; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; REV; RT; Screen; 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

Hepatitis B virus reverse transcriptase gene mutations Sequencing QlHepatitis B virus reverse transcriptase gene mutations [Presence] in Serum or Plasma by SequencingHBV RT gene mut SerPl Ql SeqHepatitis B virus reverse transcriptase gene mutationsMICROHepatitis B virus reverse transcriptase gene mutations, BloodPrThr

Frequently asked questions

Code details

Code111511-2

SystemLOINC

Display nameHepatitis B virus reverse transcriptase gene mutations Sequencing Ql

DescriptionHepatitis B virus reverse transcriptase gene mutations

Short nameHBV RT gene mut SerPl Ql Seq

ComponentHepatitis B virus reverse transcriptase gene mutations

PropertyPrThr

TimingPt

System (specimen)Ser/Plas

ScaleOrd

MethodSequencing

ClassMICRO

Example unitsNone

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.82

Last changed2.82

Consumer names

Hepatitis B virus reverse transcriptase gene mutations, Blood

Part names

Hepatitis B virus reverse transcriptase gene mutationsPrThrPtSer/PlasOrdSequencingPresence or ThresholdPoint 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.