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Table 1 Diagnostic codes for dementia and included covariates from the International Classification of Diseases

From: Mid- to late-life migraine diagnoses and risk of dementia: a national register-based follow-up study

Type of diagnoses

ICD-8 codes

ICD-10 codes

Dementia

 Alzheimer’s disease

290.10

F00.0–00.9, G30.0–30.9

 Vascular dementia

293.09–19

F01.0–01.9

 Frontotemporal dementia

290.11

F02.0

 Lewy body dementia

 

G31.8

 Unspecified and other dementia

290.09, 290.18–19

F03.9, G31.9

Headache

 Cephalalgia

791.99

DR51, DR519

 Other headache syndromes

 

G44

 Cluster headache syndrome

 

G44.0

 Vascular headache

 

G44.1

 Tension-type headache

 

G44.2

 Chronic post-traumatic headache

 

G44.3

 Drug-induced headache

 

G44.4

 Other specified headache syndromes

 

G44.8

Psychiatric

 Schizophrenia, schizotypal and delusional disorders

295.09–99, 297.09–99

F20-F29

 Mood affective disorders

296.09–99, 790.29

F30-F39

 Other or unspecified psychoses

298.09–99, 299.00–09

 

 Neuroses

300.49–99

 

 Transient situational disturbances

307.99

 

 Acute stress reactions

 

F43.0

 Post-traumatic stress disorders

 

F43.1

 Adjustment disorders

 

F43.2

 Other stress reactions

 

F43.8

 Unspecified stress reactions

 

F43.9

Charlson Comorbidity Index

 Myocardial infarction

410

I21, I22, I23

 Heart failure

427.09, 427.10, 427.11, 427.19, 428.99, 782.49

I50, I110, I130, I132

 Peripheral vascular disease

440, 441, 442, 442, 444, 445

I70, I71, I72, I74, I77

 Cerebral vascular accident

430–438

I60-I69, G45, G46

 Pulmonary disease

490–493, 515–518

J40-J47, J60-J67, J684, J701, J703. J841, J920, J961, J982, J983

 Connective tissue disorder

712, 716, 734, 446, 135.99

M05, M06, M08, M09, M30, M31, M32, M33, M34, M35, M36, D86

 Ulcer disease

530.91, 530.98, 531–534

K221, K25-K28

 Mild liver disease

571, 573.01, 573.04

B18, K700–703, K709, K71, K73, K74, K760

 Diabetes

249.00, 249.06, 249.07, 249.09, 250.00, 250.06, 250.07, 250.09

E100, E101, E109, E110, E111, E119

 Hemiplegia

334

G81, G82

 Renal disease

403, 404, 580–584, 590.09, 593.19, 753.10, 753.20, 792

I12, I13, N00, N06, N07, N11, N14, N17-N19, Q61

 Diabetes with complications

249.01–249.05, 249.08, 250.01–250.05, 250.08

E102-E108, E112-E118

 Cancer

140–194

C00-C75

 Leukemia

204–207

C91-C95

 Lymphoma

200–203, 275.59

C81-C85, C88, C90, C96

 Severe liver disease

070.00, 070.02, 070.04, 070.06, 070.08, 573.00, 456.00–456.10

B150, B160, B162, B190, K704, K72, K766, I85

 Metastatic cancer

195–199

C76, C81

 HIV

079.83

B21-B24

  1. ICD International Classification of Diseases of the 8th (ICD-8) and 10th version (ICD-10)