LOINCActiveBoth

LOINC Code 100156-9: SARS-CoV-2 (COVID-19) variant NAA+probe Nom (Specimen)

100156-9 is a LOINC code used to identify SARS-CoV-2 (COVID-19) variant NAA+probe 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 variant. 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 variant. 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: Probe.amp.tar

What it does not mean

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

Key facts

  • SARS-CoV-2 (COVID-19) variant [Type] in Specimen by NAA with probe detection
  • SARS coronavirus 2 variant
  • This term is used for reporting the SARS-CoV-2 variant strain identified by NAA with probe-based detection methods.
  • 2019 Novel Coronavirus; 2019-nCoV; 3 Self-Sustaining Sequence Replication; 3SR SR; Amplif; Amplification; Amplified; Corona virus; COVID19; COVID-19; DNA NUCLEIC ACID PROBE; DNA probe; ID; II; Infectious Disease; InfectiousDisease; LAT; LCR; Ligase chain reaction; Ligation-activated transcription; Microbiology; Misc; Miscellaneous; NAA+probe; NAAT; NASBA; Nominal; Nucleic acid sequence based analysis; Other; PCR; PH; Point in time; Polymerase chain reaction; Probe amp; Probe with ampification; Probe with target amplification; Public Health; PublicHealth; QBR; Random; SARS Coronavirus 1; SARS-CoV; SARS-CoV-1; SARS-CoV-2; SARS-CoV-2 strain; SARS-CoV-2 variant; SDA; Severe Acute Respiratory Syndrome; Spec; Strand Displacement Amplification; TMA; To be specified in another part of the message; Transcription mediated amplification; Typ; Unspecified; Viral Pneumonias; VOC 202012/01; 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-CoV-2 (COVID-19) variant NAA+probe Nom (Specimen)SARS-CoV-2 (COVID-19) variant [Type] in Specimen by NAA with probe detectionSARS-CoV-2 variant Spec NAA+probeSARS coronavirus 2 variantMICROSARS-CoV-2 (COVID-19) variant, SpecimenType

Frequently asked questions

Code details

Code100156-9
SystemLOINC
Display nameSARS-CoV-2 (COVID-19) variant NAA+probe Nom (Specimen)
DescriptionSARS coronavirus 2 variant
Short nameSARS-CoV-2 variant Spec NAA+probe
ComponentSARS coronavirus 2 variant
PropertyType
TimingPt
System (specimen)XXX
ScaleNom
MethodProbe.amp.tar
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.72
Last changed2.72

Consumer names

SARS-CoV-2 (COVID-19) variant, Specimen

Part names

SARS coronavirus 2 variantTypePtXXXNomProbe.amp.tarSARS-CoV-2 (COVID-19) variantPoint in time (spot)Nucleic acid amplification with probe detection

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 100156-9 | HealthAssure