. Author manuscript; available in PMC: 2017 Feb 1.

Published in final edited form as: Ticks Tick Borne Dis. 2015 Oct 30;7(1):193–198. doi: 10.1016/j.ttbdis.2015.10.005

Table 2.

Tickborne disease testing volume and positivity in four states, by diagnostic assay, 2008.

Tickborne disease		No. Tests	No. Positive (%)
Babesiosis	Microscopy (DFM, Giemsa-Wright or Wright)	3,561	71 (2)
	IFA	1,388	28 (2)
	PCR (blood, serum, CSF)	18	1 (6)
	Total	4,967

Anaplasmosis (HGA)	IFA	575	40 (7)
	Microscopy (Giemsa-Wright)	493	44 (9)
	PCR (blood)	150	1 (8)
	Total HGA	1,218

Ehrlichiosis (HME)	IFA	2,326	19 (8)
	Microscopy (Giemsa-Wright)	204	0 (0)
	Total HME	2,530

HGA/HME	Concurrent Panel	120	5 (4)

Rocky Mountain spotted fever (RMSF)	IFA	1,236	74 (6)

Data from small clinical and hospital laboratories testing specimens in CT, MD, MN, and NY in 2008. Does not reflect specimens tested by large, commercial laboratories.