Table 5.4a Heroin admissions by route of administration and planned use of methadone: TEDS 1992-2000 Number
[Based on administrative data reported to TEDS by all reporting States and jurisdictions. See Table 4.2.]
Route of heroin administration and planned use of methadone	1992	1993	1994	1995	1996	1997	1998	1999	2000
Total heroin admissions	168,321	192,816	212,311	220,972	216,810	221,520	230,560	238,426	243,523
Route of administration
Injection	123,976	135,448	147,174	144,215	141,440	139,945	141,127	147,251	145,865
Inhalation	31,491	41,107	46,785	55,251	53,999	57,924	61,685	62,303	67,557
Smoking	2,318	3,034	3,918	4,506	4,966	5,583	5,792	6,764	6,821
Oral	2,013	1,992	2,213	2,309	2,284	2,370	2,773	2,987	3,603
Other	1,133	1,038	970	1,018	1,235	1,411	1,759	2,108	1,794
No. of admissions	160,931	182,619	201,060	207,299	203,924	207,233	213,136	221,413	225,640
Methadone use planned as part of treatment, by route of administration
Injection	77,011	82,472	90,102	79,769	72,674	65,674	65,783	67,503	64,873
Inhalation	14,780	18,493	20,336	16,848	13,079	14,585	22,138	20,888	22,728
Smoking	1,020	1,427	2,025	2,291	2,522	2,832	2,880	3,426	3,233
Oral	362	381	502	415	167	445	545	552	661
Other	549	442	447	411	498	551	654	797	533
Any route of administration	93,722	103,215	113,412	99,734	88,940	84,087	92,000	93,166	92,028
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS) - 4.1.02.