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Test ID: CTF    
Colorado Tick Fever Antibody, IFA

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

Reference Ranges:


IgG <1:16

IgM <1:20


Recent or current Colorado Tick Fever is indicated by a four-fold or greater rise in IgG titer between acute and convalescent sera and/or an IgM level of 1:20 or greater.


Test Performed by: Focus Diagnostics, Inc

                             33608 Ortega Highway

                             San Juan Capistrano, CA 92675