Clinics and Departments

Laboratory Services

Lab Dept:

Serology

Test Name:

RETICULIN ANTIBODIES

General Information

Lab Order Codes:

RETI

Synonyms:

Reticulin IgA Autoantibodies; Celiac Disease Evaluation; Anti-Reticluin Antibodies; ARA;

CPT Codes:

86255 - Fluorescent noninfectious agent antibody; screen, each antibody
86256 – Fluorescent noninfectious agent antibody; titer, each antibody

Test Includes:

Reticulin Antibodies reported as negative or if positive, results will be titered.

Logistics

Test Indications:

Useful for differential diagnosis of intestinal disorders such as celiac disease and Crohn’s disease. The antireticulin antibody is observed in 20% of cases of dermatitis herpetiformis and 35% of cases in sprue.

Note: Mayo no longer recommends this test. The preferred test is Tissue Transglutaminase Antibody.

Lab Testing Sections:

Serology - Sendouts

Referred to:

Mayo Medical Laboratories (MML Test: 9275/RTA)

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

2 - 3 days, test set up daily

Special Instructions:

N/A

Specimen

Specimen Type:

Blood

Container:

Red top tube

Draw Volume:

1.5 mL (Minimum: 0.6 mL) blood

Processed Volume:

0.5 mL (Minimum: 0.2 mL) serum

Collection:

Routine venipuncture

Special Processing:

Lab Staff: Centrifuge specimen, remove serum aliquot into a screw-capped round bottom plastic vial. Store and ship at refrigerated temperatures. Forward promptly.

Patient Preparation:

None

Sample Rejection:

Specimens other than serum; warm specimens; mislabeled or unlabeled specimens; gross lipemia; gross hemolysis

Interpretive

Reference Range:

Negative (if positive, results will be titered)

Critical Values:

N/A

Limitations:

N/A

Methodology:

Indirect immunofluorescence

References:

Mayo Medical Laboratories July 2013

Updates:

4/14/2004: Test moved from Specialty Laboratories to Mayo Medical Laboratories.



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