LOINCActiveBoth

LOINC Code 61158-2: HBV codon M204I Genotyping Ql (Isol)

61158-2 is a LOINC code used to identify HBV codon M204I Genotyping Ql (Isol) 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 codon M204I. It is commonly used with the system or sample type Isolate.

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 codon M204I. It is commonly used with the system or sample type Isolate.

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: Genotyping

What it does not mean

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

Key facts

  • Hepatitis B virus codon M204I [Presence] by Genotype method
  • Hepatitis B virus codon M204I
  • ANTIBIOTIC SUSCEPTIBILITIES; Codon 204; Genotype; Genotypic; HBV; HBV M204I; Hep; Hep B; Hepatis; Hepatit; Hepatology; HepB; ID; Infectious Disease; InfectiousDisease; Islt; Isol; Liver; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen

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 codon M204I Genotyping Ql (Isol)Hepatitis B virus codon M204I [Presence] by Genotype methodHBV M204I Islt Ql GenotypHepatitis B virus codon M204IABXBACTHepatitis B virus (HBV) Codon M204IPrThr

Frequently asked questions

Code details

Code61158-2
SystemLOINC
Display nameHBV codon M204I Genotyping Ql (Isol)
DescriptionHepatitis B virus codon M204I
Short nameHBV M204I Islt Ql Genotyp
ComponentHepatitis B virus codon M204I
PropertyPrThr
TimingPt
System (specimen)Isolate
ScaleOrd
MethodGenotyping
ClassABXBACT
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.56

Consumer names

Hepatitis B virus (HBV) Codon M204I

Part names

Hepatitis B virus codon M204IPrThrPtIsolateOrdGenotypingPresence or ThresholdPoint in time (spot)Viral genotype susceptibility

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 61158-2 | HealthAssure