LOINCActiveOrder

LOINC Code 99771-8: SARS coronavirus 2 spike and nucleocapsid protein stimulated gamma interferon panel (Bld)

99771-8 is a LOINC code used to identify SARS coronavirus 2 spike and nucleocapsid protein stimulated gamma interferon panel (Bld) 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 spike & nucleocapsid protein stimulated gamma interferon panel. It is commonly used with the system or sample type Bld.

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 spike & nucleocapsid protein stimulated gamma interferon panel. It is commonly used with the system or sample type Bld.

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: Order
  • Panel type: Panel

What it does not mean

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

Key facts

SARS coronavirus 2 spike and nucleocapsid protein stimulated gamma interferon panel - Blood
SARS coronavirus 2 spike & nucleocapsid protein stimulated gamma interferon panel
This panel contains results for identifying individuals with adaptive immune response (T-cell response) to SARS-CoV-2 (COVID-19). The test detects effector T cells responding to stimulation using two separate peptide pools derived from the SARS-CoV-2 spike and nucleocapsid proteins. For testing that detects SARS-CoV-2 stimulated gamma interferons but does not differentiate between the spike and nucleocapsid proteins, use SARS-CoV-2 stimulated gamma interferon panel [LOINC95974-2].
2019 Novel Coronavirus; 2019-nCoV; Blood; Corona virus; COVID19; COVID-19; ID; IFN; IGRA; II; Infectious Disease; InfectiousDisease; Microbiology; Pan; PANEL.MICROBIOLOGY; Panl; Pnl; Point in time; PR; Prot; Random; SARS Coronavirus 1; SARS-CoV; SARS-CoV-1; SARS-CoV-2; SARS-CoV-2 IGRA Spk+Nuclcp Pnl; Severe Acute Respiratory Syndrome; Viral Pneumonias; WB; Whole blood; 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 spike and nucleocapsid protein stimulated gamma interferon panel (Bld)SARS coronavirus 2 spike and nucleocapsid protein stimulated gamma interferon panel - BloodSARS-CoV-2 IGRA Spk+Nuclcp Pnl BldSARS coronavirus 2 spike & nucleocapsid protein stimulated gamma interferon panelPANEL.MICROSARS coronavirus 2 spike and nucleocapsid protein stimulated gamma interferon panel, Blood-

Frequently asked questions

Code details

Code99771-8
SystemLOINC
Display nameSARS coronavirus 2 spike and nucleocapsid protein stimulated gamma interferon panel (Bld)
DescriptionSARS coronavirus 2 spike & nucleocapsid protein stimulated gamma interferon panel
Short nameSARS-CoV-2 IGRA Spk+Nuclcp Pnl Bld
ComponentSARS coronavirus 2 spike & nucleocapsid protein stimulated gamma interferon panel
Property-
TimingPt
System (specimen)Bld
Scale-
ClassPANEL.MICRO
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

SARS coronavirus 2 spike and nucleocapsid protein stimulated gamma interferon panel, Blood

Part names

SARS coronavirus 2 spike & nucleocapsid protein stimulated gamma interferon panel-PtBldSARS coronavirus 2 spike and nucleocapsid protein stimulated gamma interferon panelPoint in time (spot)Blood

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.