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Centromere antibodies, IgG, serum (restricted test)-994

Test info

Test name:

Centromere antibodies, IgG, serum (restricted test)

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Limitations:

This test order is restricted to rheumatologists. This is a follow up test for patients who have a positive centromere pattern on the Anti-Nuclear Antibody Screen [12467/LAB12467].

Specimen

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Volume:

0.5 mL

Minimum volume:

0.35 mL

Collection instructions:

Immediately following collection, mix sample by gently inverting 5 times

Processing instructions:

Allow sample to clot for a minimum of 30 minutes
Spin within two (2) hours of sample collection
Transfer serum to a Screw cap transfer vial/tube (Mayo T914), labelled as serum

Transport container:

Screw cap transfer vial/tube (Mayo T914)

Alternate collection container:

Red serum vial/tube, 5 mL

Alternate processing instructions:

Allow sample to clot
Spin within two (2) hours of sample collection
Transfer serum to a Screw cap transfer vial/tube (Mayo T914), labelled as serum

Transport and stability:

Refrigerated (preferred) - 21 days

Frozen - 21 days

Reason for rejection:

Gross hemolysis
Gross lipemia

Performance

Performing lab:

Mayo Clinic Laboratories (CMA): R-NX

Days set up:

Mo - Sa: 4pm

TAT:

2 - 3 days

Method:

Multiplex Flow Immunoassay

Clinical and Interpretive info

Reference ranges:

<1.0 U Negative
≥1.0 U Positive

Billing

CPT codes:

83516

Tracking

Date created:

06/28/2019

Revised date:

01/08/2024

Review date:

01/08/2024