TABLE 3.

Test results obtained with 20 isolates that were bile solubility negative but had positive AccuProbe results

Isolate	Result by:
	Optochin susceptibility		Omni serum	Serotyping	Morphologya
	CO2	Air
12b	Susceptible	No growth	Positive		Button
158b	Susceptible	Susceptible	Positive		Other
423	Resistant	Susceptible	Negative		Other
504	Resistant	Susceptible	Positive		Other
779	Resistant	Susceptible	Positive		Other
1004	Resistant	Susceptible	Positive		Other
1019	Resistant	Susceptible	Positive		Other
1065	Resistant	Susceptible	Positive		Other
1070	Resistant	Susceptible	Negative		Other
1088	Resistant	Susceptible	Negative		Other
1103	Resistant	Susceptible	Negative		Other
1134	Resistant	Susceptible	Positive		Other
1324	Resistant	Susceptible	Negative		Other
407	Resistant	Resistant	Positive		Button
1124	Resistant	Resistant	Negative		Other
1329	Resistant	Resistant	Positive	35F	Other
1584	Resistant	Resistant	Positive	21	Other
1652	Resistant	Resistant	Negative	19A	Button
1676	Resistant	Resistant	Negative	35A	Other
1704b	Resistant	No growth	Negative	35A	Other

^aButton morphology refers to central depression of colonies; “other” denotes alpha-hemolytic colonies without button or mucoid morphology.

^bRepeat bile solubility testing of this isolate with 2% sodium deoxycholate was positive.