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TRICARE Systems Manual 7950.3-M, April 1, 2015
TRICARE Encounter Data (TED)
Chapter 2
Addendum D
Data Requirements - Type Of Institution Codes
Revision:  C-13, May 24, 2018
Figure 2.D-1  Type Of Institution
Service
Specialization
DRG Non-Exempt
1  When a hospital restricts its service to a specialty not defined by a specific code, it is coded 49 (59 if a children’s hospital) and the specialty is indicated in parentheses following the name of the hospital.
10
General medical and surgical
11
Hospital unit of an institution (prison hospital, college infirmary, etc.)
12
Hospital unit within an institution for the mentally retarded
E
22
Psychiatric hospital or unit of
E
33
Tuberculosis and other respiratory disease
E
44
Obstetrics and gynecology
45
Eye, ear, nose and throat
46
Rehabilitation Facility
E
47
Orthopedic
48
Chronic disease
E
49
Other specialty1
50
Children’s general
51
Children’s hospital unit of an institution
52
Children’s psychiatric hospital or unit of
E
53
Children’s tuberculosis and other respiratory diseases
E
55
Children’s eye, ear, nose, and throat
56
Children’s rehabilitation
E
57
Children’s orthopedic
58
Children’s chronic
59
Children’s other specialty1
62
Institution for mental retardation
E
70
Home Health Agency (HHA)
E
71
Specialized Treatment Facility
E
72
Residential Treatment Center (RTC)
E
73
Long-Term Care Hospital
E
74
Christian Science Facility
E
75
Hospital-based Ambulatory Surgery Center (ASC)
E
76
Skilled Nursing Facility (SNF)
E
78
Non-hospital-based hospice
E
79
Hospital-based hospice
E
82
Substance Use Disorders Rehabilitation Facility (SUDRF)
90
Cancer
E
91
Sole Community Hospital (SCH)
E
92
Freestanding Ambulatory Surgery Center (ASC)
93
Critical Access Hospital (CAH)
E
Institutional Suffix
S
Short-term - average Length Of Stay (LOS) for all patients is less than 30 days or over 50% of all patients are admitted to units where average LOS is less than 30 days.
L
Long-term - average LOS for all patients is 30 days or more or over 50% of all patients are admitted to units where average LOS is 30 days or more.
- END -

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