Interpretive Handbook

Test 57160 :
Anaplasma phagocytophilum Antibodies (IgG, IgM)

Clinical Information Discusses physiology, pathophysiology, and general clinical aspects, as they relate to a laboratory test

Anaplasma phagocytophilum is a tick-borne agent that causes an acute febrile illness that often resembles Rocky Mountain Spotted Fever.

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.

IgG  <1:64

IgM  <1:20


Anaplasma phagocytophilum is the tick-borne agent causing Human Granulocytic Ehrlichiosis (HGE). HGE is distinct and separate from Human Monocytic Ehrlichiosis (HME), caused by Ehrlichia chaffeensis. Serologic crossreactivity between A. phagocytophilum and E. chaffeensis is minimal (5-15%).


Test Performed By:  Focus Diagnostics, Inc.

                               33608 Ortega Highway

                               San Juan Capistrano, CA 92675