Sorted By Test Name - Mayo Medical Laboratories

9845
FNARI
57330
likelihood of allergic disease as opposed to other etiologies and defines the allergens that may be
responsible for eliciting signs and symptoms. The level of IgE antibodies in serum varies directly with the
concentration of IgE antibodies expressed as a class score or kU/L.
Reference Values:
Class IgE kU/L Interpretation
0 Negative
1 0.35-0.69 Equivocal
2 0.70-3.49 Positive
3 3.50-17.4 Positive
4 17.5-49.9 Strongly positive
5 50.0-99.9 Strongly positive
6 > or =100 Strongly positive Reference values
apply to all ages.
Clinical References: Homburger HA: Allergic diseases. In Clinical Diagnosis and Management by
Laboratory Methods. 21st edition. Edited by RA McPherson, MR Pincus. New York, WB Saunders
Company, 2007, Chapter 53, Part VI, pp 961-971
Rhodanine Stain for Copper
Useful For: Staining copper in tissue
Reference Values:
The laboratory will provide a pathology consultation and stained slide.
Ri Antibody Screen with Reflex to Titer and Western Blot
Reference Values:
Neuronal Nuc Ab (Ri), IFA
Reference Range: Negative
Neuronal nuclear (anti Ri) antibody is detected in patients with paraneoplastic syndrome clinically
presenting with myoclonus/opsoclonus. The presence of Ri antibody strongly suggests underlying breast
carcinoma, or gynecological cancer. Ri antibody is identified by IFA and confirmed by Western Blot. A
negative result does not exclude the possibility of breast cancer or other malignant tumor.
Ri Ab, Western Blot
Reference Range: Negative
Ri Ab Titer
Reference Range: