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SARS-CoV-2 IgG (N protein)

Test Code:

BC0401

Synonym(s):

Specimen Container

Gel separator tube (Adult)
Microtube (Paeds)

Specimen Requirement

Plain Blood
Adult: 5 mL
Paediatric: 1.3 mL


Invert blood 5 times after blood collection ensures the anticoagulant is well mixed with the blood. This will ensure results are reliable.

Specimen Storage / Transport

Please ensure the specimen is double-bagged ( transparent inner bag, red outer bag) and contains a visible note for SARS-CoV-2 IgG (N-protein) testing.


Send samples immediately to the laboratory at room temperature after collection. Do not send by pneumatic tube system.


Method

 

Orderable as STAT?

Yes

Turn Around Time

3 - 4 hrs

Reference Value(s)

​-

Testing Laboratory Location

KKH

Laboratory

Clinical Chemistry

Contact Number

6394 1383

Day and Time Performed

Mon – Fri: 0800 hrs – 1700 hrs
Sat: 0800 hrs – 1230 hrs


Specimens should be sent to Lab before 3pm for same day testing. Specimens sent after 3pm will be performed in the next day. For urgent request, please call Ext: 1383 for arrangement.

Orderable on CPOE?

Yes

Additional Information

All staff are to select the exact indication that is applicable to the scenario when ordering COVID-19 test in CPOE.

1. Meet MOH’s suspect case definition
2. Other clinical conditions via professional judgment, such as extended fever/ARI or atypical symptoms [includes pre-discharge swabs and other MOH-approved indications]
3. Surveillance of confirmed case
4. [NO SUBVENTION] Other reasons not clinically indicated e.g. patient’s/employer’s request
 
The SARS-CoV-2 IgG test is not suitable for the diagnosis of acute SARS-CoV-2.

Request for this test requires approval from an infectious Disease Physician or Microbiologist. Please enter in “ClinDiag/Info” the name of the Infectious Disease Physician or Microbiologist who has approved the test.

Results from SARS- CoV-2 IgG antibodytesting should not be used as the sole basis to diagnosis or exclude SARS-CoV-2 infection or to inform infectious status. A negative result cannot rule out current SARS-CoV-2infection, whereas a positive does not necessarily indicate immunity to SARS-CoV-2 infection.
Immunoassay measurements can be subjected to interference from cross- reacting susbstances in the patient’s blood. If the result does not agree with the clinical picture, please contact the laboratory for further action.

Change History Notes

Others

Keywords

SARS-CoV-2 IgG (N protein) SARS-CoV-2 IgG (COVID-19) BC0401
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