Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
4h5. Age of most recent head injury that resulted in a period of feeling "dazed or confused," being unable to recall details of the injury, or loss of consciousness NACC Disease characterization
Including Alzheimer's Disease (AD)/AD-Related Dementias (ADRD) diagnosis and multiple chronic conditions (MCCs)
 Other NIA-funded studies
  • ▼ NACC
    • ▼ Uniform Data Set
      • ▼ Form name- A5/D2: Participant Health History/Clinician-assessed Medical Conditions
        • ▼ Packet- Initial Visit Packet
          • Variable name- lasttbi

# Datatype

UUID: f626f5fa-a8a3-5028-bbf7-911e60d83a02

Value List

# Permissible value Value meaning name

UUID: 1b75e68d-bfd6-5a3d-8fcd-e3b479ca2243

0 0

UUID: 28b02839-be83-5047-ba91-07df325da97a

1 1

UUID: 9dc57277-afe4-58c3-80cf-e7f1883e08a9

2 2

UUID: 7ca57312-c9a7-5baf-9c61-efe9336ec7e5

3 3

UUID: 26f8495f-a704-5bbe-9043-b6dcbba7b9c3

4 4

UUID: 2dfd48e9-3063-56f1-9c08-155eb319d01c

5 5

UUID: 7eb74bd1-3b22-55ff-8a52-ca8f4cc32bb1

6 6

UUID: ce21dbb2-2e50-55a2-9060-84a74a178f14

7 7

UUID: 5b1e74c9-83d7-547c-a3ba-11307c77278e

8 8

UUID: a532c2cd-0459-5d18-bb55-a88a4b4c5e55

9 9

UUID: 7da1c67b-73e1-5d40-bc6e-01198ea29e6f

10 10

UUID: 4deeb12c-5fed-543c-8f32-54e7e5a80d3a

11 11

UUID: f69761c0-6601-5f97-b3fb-6561a52f64de

12 12

UUID: 761f6953-9814-5bd4-87b1-7f8aa73c1ee0

13 13

UUID: 2c7b407c-4a2d-5c37-ac22-9d0362346293

14 14

UUID: 0668591d-28f5-5a89-8458-62cd36558c43

15 15

UUID: c582ed31-ef8d-5650-8b90-db1ffc4c6d54

16 16

UUID: 87d37b8f-60ff-5120-a053-3f208e28cf59

17 17

UUID: 6d781711-7784-5db4-bd28-6cf971b63e05

18 18

UUID: 8aa690a5-e961-5ec1-aa0f-5f7c65d6c912

19 19

UUID: 177a3d86-3785-51d3-94ef-9b9a2bec9b26

20 20

UUID: 7b04e61d-b27d-56b8-9fc2-569ccb141484

21 21

UUID: 858ef4be-1ec7-5d5d-9d63-7f23f44a00a3

22 22

UUID: d279a112-6903-5578-af75-a87150db0dd3

23 23

UUID: ba9323c3-9f33-5cf5-9ac8-4e6e11dfab40

24 24

UUID: 4ca90225-16c9-56f0-93e5-c9f76290dd48

25 25

UUID: 7adb24b7-2947-5697-ab4f-03c4befff60f

26 26

UUID: 13e4e4ce-0716-5507-9fe1-71b5b38fd76f

27 27

UUID: 0e0f58ed-e568-5a34-bcc4-132ada60baa3

28 28

UUID: 54cf2176-ff6b-5ecb-bcd7-19849d0fec10

29 29

UUID: 5c2c0d47-872d-530c-95e5-a56cb840f21b

30 30

UUID: fb3d8d47-5170-583b-8d3f-fed5cf1d377e

31 31

UUID: 1bc6c922-0c75-591c-97ec-01b43497ef05

32 32

UUID: b487815f-55f0-59bf-9906-3632ebdf3bcc

33 33

UUID: ada3c378-6e21-5a36-bd75-787595d892ef

34 34

UUID: f980ec3f-acf8-5f75-8e23-11fb40aaa973

35 35

UUID: e7366f96-8aa5-563d-9104-1ab5980d934f

36 36

UUID: 06d241a6-7856-5679-a8a8-a16cf846e5b8

37 37

UUID: b2ba72ec-6d59-546c-99b4-184b9153709d

38 38

UUID: 94dba4fe-239c-5982-9598-541189e856ac

39 39

UUID: 87f1c9e6-5388-5cea-a5b3-1d96f0323977

40 40

UUID: eb2ab663-7f71-5166-8a7a-93c26d53e19e

41 41

UUID: 814cb204-596f-5af0-aed7-d6ea7553527e

42 42

UUID: 6f6ef6f4-fcd6-55da-92a3-d46cdbcb983f

43 43

UUID: ea94b844-f165-5e54-9d0e-532aab22b38e

44 44

UUID: 18eb020d-a67a-5496-9451-32dda67011d4

45 45

UUID: 4bebf53c-43e9-5b55-b189-8430aa1bc469

46 46

UUID: 4ab75941-3de8-5d59-95ae-cdb659b6accc

47 47

UUID: 6eea7ee2-d9c4-5800-a8f4-b85b5c0bdd18

48 48

UUID: 913ceb7e-f575-525f-9f6c-a50cdd4c9da0

49 49

UUID: 89ea8be0-56bb-527a-826c-024bb39bc3b5

50 50

UUID: 2e8c31a4-c0c5-591e-a332-5f367530e070

51 51

UUID: 8cd69615-753d-5d84-a0b0-05de0d52cd8b

52 52

UUID: 49f2f6b1-afd1-5e44-9848-94c9a2770757

53 53

UUID: f8a725e0-9e11-5cc4-90f9-4a4d81d8adcb

54 54

UUID: 4e03db29-21fc-56ca-a850-7edf05d4d3fa

55 55

UUID: 59ea0f02-c32a-5184-a5f6-44c5e81f179f

56 56

UUID: ba1f0720-ece1-592a-9666-542f1b9e593e

57 57

UUID: fedbe861-365c-56aa-a201-3cda3eb51421

58 58

UUID: 423ae5f1-c4eb-594c-9fd5-3b5b7d33fe7b

59 59

UUID: 10d613b1-67c5-5fa0-966d-ebc5dfad100a

60 60

UUID: 38a149b6-d4fd-5529-a850-aee7b52d5f2c

61 61

UUID: 141d8523-81e3-5314-94cc-8a77ab14a6c5

62 62

UUID: fd3a6092-707d-523e-a16e-259eb8381df4

63 63

UUID: 252e2378-77cb-54ef-960c-60158af783f0

64 64

UUID: 1ced7e9d-2dfc-5bcb-8722-c8e9cc649453

65 65

UUID: e623bbe8-4951-5d4c-b497-788757a315ba

66 66

UUID: 323bcd3a-5e25-5f17-8b3a-210416b99b12

67 67

UUID: 4b0202b9-6302-520c-859e-ee73c6edd49f

68 68

UUID: 5b7f6040-7dbe-5875-9255-c00f0746fb3e

69 69

UUID: f3ac8201-d3fc-542b-8810-419920658d76

70 70

UUID: 3a834938-4c26-5228-acbf-5dfd27364f73

71 71

UUID: af102824-f00b-5837-89a5-59d423f00255

72 72

UUID: 7f519c4f-5c7a-5eba-835b-3620fdcd11bc

73 73

UUID: 8d7ecc4f-10ba-511d-9ca1-f47cdd11ea56

74 74

UUID: 4cd9ff1e-d76b-506e-878f-36a577a92e95

75 75

UUID: 7860d255-1028-5159-a9bc-152cf278b085

76 76

UUID: c4d348f3-a8ad-5008-8ba7-82bce50c090b

77 77

UUID: af50a380-62bc-5c52-b539-6aba88935894

78 78

UUID: df950d1d-c825-5a5e-8c9e-6af305ae0e44

79 79

UUID: 635985f6-74be-5d6f-8f75-f7a54be1d098

80 80

UUID: df970060-a6d3-5f6c-b7ab-37e8c9ebdf0b

81 81

UUID: 839613af-610c-5e6f-9349-3c7bc66b93d5

82 82

UUID: e1c38a74-2c61-5cd0-b9f7-d0082c593c30

83 83

UUID: 40bfb7eb-9e46-55ba-a81d-7158a7965846

84 84

UUID: 230d8848-18f0-54da-b147-21103b5a1370

85 85

UUID: 2c867cb9-15f1-5755-82a1-7ae0d847604e

86 86

UUID: aba5797f-5386-563c-a139-a7123d05a010

87 87

UUID: e379b26f-530f-5c11-bb5a-2cfa472eef2e

88 88

UUID: daafa2c2-b542-5e54-9d94-f67a6ced8a37

89 89

UUID: 62588363-810e-5825-9556-1e595ad87dec

90 90

UUID: f2fa85ca-83ef-5dba-807d-e2abe0e069d7

91 91

UUID: 2998ab6c-cad4-5c52-80f4-f847bbbb91b3

92 92

UUID: ec02e8de-1d34-577c-9fcb-1b65220c44af

93 93

UUID: 50c614ec-e798-5add-addf-5421dc24b51f

94 94

UUID: 3ddb965f-b770-5eed-b357-d2ef2ec1f240

95 95

UUID: 4a241ea7-ff0a-5f9d-bed0-6e181eb9e205

96 96

UUID: 99dd3111-5321-5c1c-9587-e746b1c3379f

97 97

UUID: 13de192f-7f77-544a-baee-09032a97c58a

98 98

UUID: 6c448b9e-0e59-5756-8fa5-3f2ede61d390

99 99

UUID: 333f5dc6-bd72-538d-a1d9-3491eb87c787

100 100

UUID: 6a3d71e5-d304-5366-b436-bd988d1dc298

101 101

UUID: f0ea568e-8fb9-5040-8209-39ff539421a9

102 102

UUID: da77c5d6-8eab-5912-940e-4fb46dccde81

103 103

UUID: 8cfaaaad-26aa-5c56-9056-5e0b3d2b700f

104 104

UUID: f724acc9-37f6-5d17-90b3-165b9086f50e

105 105

UUID: 06492d82-f2ae-55b5-a31f-fd89c78d6cf2

106 106

UUID: 06aaf13a-bd3d-50b1-a8ed-5fc08b28c673

107 107

UUID: 53d5502c-1fff-5450-acac-4904d0df69bd

108 108

UUID: 1f2e6f4b-f26b-5641-a870-7b2e3474e385

109 109

UUID: ead30324-d172-54d0-882e-a49e80c74568

110 110

UUID: c57beb4f-7b8d-5297-9d28-56d9101270d5

999 999 = Unknown

# Identifier Origin Version

UUID: 7fa0058c-467e-51dc-b6b8-b5ba739b7955

UDS_a5d2_Initial Visit Packet_lasttbi NACC-source_dataset+form_name+packet+var_name NACC_uds-v4-ivp-ded-11122025