Table 5.6a Heroin admissions by usual route of administration and opioid replacement therapy: TEDS 1994-2004 Number
[Based on administrative data reported to TEDS by all reporting States and jurisdictions. See Table 4.2a.]
Usual route of administration and opioid replacement therapy	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
Total heroin admissions	216,452	227,989	224,366	235,143	247,069	257,508	275,825	282,991	293,191	280,432	265,895
Usual route of administration
Injection	149,205	147,602	145,148	146,728	149,136	156,562	162,654	162,395	168,313	158,836	155,167
Inhalation	48,722	58,540	57,521	63,974	69,399	71,156	81,294	88,071	90,301	89,042	80,018
Smoking	4,002	4,673	5,145	5,976	6,138	7,097	7,314	6,683	6,695	6,462	5,751
Oral	2,283	2,460	2,413	2,666	3,121	3,329	4,339	5,073	5,046	5,378	4,329
Other	976	1,030	1,253	1,512	1,848	2,319	2,238	2,387	2,536	2,432	1,969
No. of admissions	205,188	214,305	211,480	220,856	229,642	240,463	257,839	264,609	272,891	262,150	247,234
Opioid replacement therapy,1 by usual route of administration
Injection	89,439	79,632	72,674	65,712	66,168	67,985	67,602	63,917	63,640	53,390	48,751
Inhalation	19,480	16,672	13,079	14,598	22,357	20,972	23,672	27,013	28,572	26,230	21,764
Smoking	1,994	2,287	2,522	2,834	2,893	3,442	3,345	2,543	2,536	2,309	2,076
Oral	495	414	467	445	558	548	654	788	895	979	1,189
Other	442	411	498	552	656	848	631	748	855	746	696
Any route of administration	111,850	99,416	89,240	84,141	92,632	93,795	95,904	95,009	96,498	83,654	74,476
1 Medication-assisted therapy with methadone or buprenorphine.
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, Treatment Episode Data Set (TEDS). Data received through 2.1.06.