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Anti Smith-12660

Test info

Test name:

Anti Smith

Test number:

12660

Excellian order number:

LAB12660

Abbreviation:

SM ANTIBODY

Alternate names:

Anti-Smith
ENA antibody
SM
Smith antibodies

Useful for:

Anti-Smith antibody has low sensitivity but high specificity for systemic lupus erythematosus (SLE).
It is occasionally present in mixed connective-tissue disease (MCTD).

Specimen

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Volume:

1.0 mL

Minimum volume:

0.5 mL

Collection instructions:

Immediatley following collection, mix sample by gently inverting 5 times

Processing instructions:

Allow sample to clot for a minimum of 30 minutes
Spin

Transport container:

Gold serum separator (SST) tube

Alternate collection container:

Red serum vial/tube - 5 mL

Alternate processing instructions:

Allow sample to clot
Spin
Transfer serum to a False bottom plasma/serum transport vial/tube (AHL) labelled as "serum"

Alternate transport container:

False bottom plasma/serum transport vial/tube (AHL)

Transport and stability:

Refrigerated (preferred) - 7 days
Frozen - 21 days
Ambient - NO

Reason for rejection:

Improper labels (unlabeled or mislabeled)
Hemolysis (some procedures)
Improper anticoagulant or ratio
Delay in transport
Improper storage temperature affecting results
Improper container
Leaking container resulting in compromised specimen
Quantity not sufficient (QNS)

Performance

Performing lab:

AHL - Immunology: J

Days set up:

Mo, We, Fr

TAT:

2 - 4 days

Method:

Chemiluminescent Assay (CIA)

Clinical and Interpretive info

Reference ranges:

Negative: <20 CU

Billing

CPT codes:

86235

Tracking

Date created:

11/10/2015

Revised date:

09/07/2018

Review date:

03/28/2022