LOINCActiveBoth

LOINC Code 103557-5: SARS coronavirus 2 Mpro gene mutation detected Molgen Nom (Specimen)

103557-5 is a LOINC code used to identify SARS coronavirus 2 Mpro gene mutation detected Molgen Nom (Specimen) 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 SARS coronavirus 2 Mpro gene mutation detected. It is commonly used with the system or sample type XXX.

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 SARS coronavirus 2 Mpro gene mutation detected. It is commonly used with the system or sample type XXX.

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: Molgen

What it does not mean

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

Key facts

  • SARS-CoV-2 (COVID-19) Mpro gene mutation detected [Identifier] in Specimen by Molecular genetics method Nominal
  • SARS coronavirus 2 Mpro gene mutation detected
  • 2019 Novel Coronavirus; 2019-nCoV; Corona virus; COVID19; COVID-19; Identity or presence; II; Misc; Miscellaneous; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.MUTATIONS; Mut; Mutations; Nominal; Other; PCR; Point in time; Random; SARS Coronavirus 1; SARS-CoV; SARS-CoV-1; SARS-CoV-2; SARS-CoV-2 Mpro gene mut; Severe Acute Respiratory Syndrome; Spec; To be specified in another part of the message; Unspecified; Viral Pneumonias; Wuhan coronavirus

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

SARS coronavirus 2 Mpro gene mutation detected Molgen Nom (Specimen)SARS-CoV-2 (COVID-19) Mpro gene mutation detected [Identifier] in Specimen by Molecular genetics method NominalSARS-CoV-2 Mpro gene mut SpecSARS coronavirus 2 Mpro gene mutation detectedMOLPATH.MUTSARS coronavirus 2 Mpro gene mutation detected, SpecimenPrid

Frequently asked questions

Code details

Code103557-5
SystemLOINC
Display nameSARS coronavirus 2 Mpro gene mutation detected Molgen Nom (Specimen)
DescriptionSARS coronavirus 2 Mpro gene mutation detected
Short nameSARS-CoV-2 Mpro gene mut Spec
ComponentSARS coronavirus 2 Mpro gene mutation detected
PropertyPrid
TimingPt
System (specimen)XXX
ScaleNom
MethodMolgen
ClassMOLPATH.MUT
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.77
Last changed2.77

Consumer names

SARS coronavirus 2 Mpro gene mutation detected, Specimen

Part names

SARS coronavirus 2 Mpro gene mutation detectedPridPtXXXNomMolgenPresence or IdentityPoint in time (spot)Molecular genetics

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.