Table 2. Patients identified with animal bites and injuries based on the E906.X codes, representing non-venomous animal bites and injuries.

ICD-9 Code	ICD-9 Code Description	Unique patientsper code	Non-cat bitepatients	Patients per codewith a cat bite	Additional cat bite patientsidentified (not listed inE906.3)	Total per codewith a dog bite	Additional dog bitepatients identified(not listed in E906.0)
E906.0	Dog bite	1,087	1,061	26	16	1084	N/A
E906.1	Rat bite	27	27	0	0	0	0
E906.2	Bite by non-venomous snakes and lizards	12	10	2	1	0	0
E906.3	Bite by other animal except arthropod (e.g., cats, mice, squirrels, etc.)	866	165	701	N/A	5	2
E906.4	Bite by non-venomous arthropod (e.g., insects)	630	624	6	3	11	6
E906.5	Bite by unspecified animal	174	113	61	8	13	5
E906.8	Other specified injury caused by animal	316	271	45	21	9	8
E906.9	Unspecified injury caused by unspecified animal	56	53	3	2	5	3
Overall*		3,018	2,268	750	49	1,108	24

^*‘Overall’ represents the unique set of patients for all codes combined, with duplicates across codes removed. Some patients had more than one ICD code for their bite(s) and thus were in more than one code category.

N/A = not applicable.