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Table 2 Risk factors, prodromal or concomitant conditions and corresponding ICD codes

From: Timing of risk factors, prodromal features, and comorbidities of dementia from a large health claims case–control study

Diseases/conditions

ICD-10 codes

Motor dysfunctions and injuries

 Abnormalities of gait and mobility

R26

 Tremor

G25.0, G25.1, G25.2, R25.1

 Extremity injury

S42, S47, S48, S52, S57, S58, S62, S67, S68, S72, S77, S78, S82, S87, S88, S92, S97, S98

Psychiatric disorders

 Anxiety

F41.0, F41.1, F41.9

 Bipolar disorder

F31

 Cognitive impairment

U51

 Conduct disorder

F91, F92

 Delirium

F05

 Depression

F32, F33

 Memory impairment

F06.7, R41.3, R41.8

 Mental retardation

F70, F71

 Emotional state disorders

R45

 Personality and behavioral disorders due to brain disease, damage and dysfunction

F07

 Psychosis

F29

 Schizophrenia

F20, F25

Impairment of sensory organs

 Anosmia

R43.0

 Visual impairment

H53

 Blindness

H54

 Hearing impairment, bilateral

H90.0, H90.3, H90.6

 Hearing impairment, unilateral

H90.1, H90.4, H90.7

 Hearing impairment, side unspecified

H90.2, H90.5, H90.8, H91

 Other sensory disorders

R44

Sleep disorders

 Insomnia

F51.0 with G47.0

 Other sleeping disorder

F51.2, F51,8, F51.9, G47.2, G47.9

 Restless legs syndrome

G25.81

 Sleep apnea

G47.3

Autonomic dysfunction and fatigue

 Bladder disorder

N31

 Constipation

K59.0

 Dizziness

R42

 Fatigue

G93.3

 Hypotension

I95, R03.1

 Sexual dysfunction

F52.0, F52.1, F52.2, F52.8, F52.9

Risk factors

 Obesity

E66

 Alcohol abuse/dependence

F10.1, F10.2

 Nicotine abuse/dependence

F17.1, F17.2

 Traumatic brain injury

S06.0, S06.1. S06.2, S06.3

Vascular Diseases and Metabolic Disorders

 Atrial fibrillation

I48

 Carotid artery stenosis

I65.2

 Cerebrovascular disease

I60-I64, I65.0, I65.1, I65.3, I65.8, I65.9, I66-I69

 Type 2 Diabetes mellitus

E11

 Hypercholesterolaemia

E78.0

 Hypertension

I10

 Ischemic heart disease

I20-I25

Infections

 Acute upper respiratory infection

J06

 Antibiotic resistance

U81

 Cystitis

N30

 Pneumonia

J12-J18

 Sepsis

A41

Gastrointestinal disorders

 Crohns disease

K50

 Duodenal ulcer

K26, K27

 Gastritis

K29

 Reflux disease

K21

 Stomach ulcer

K25

 Ulcerative colitis

K51

Comorbidities

 Epilepsy

G40

 Multiple sclerosis

G35

 Parkinsons disease

G20, G21, G22

 Migraine

G43

General symptoms & conditions

 Cancer

C00-C97

 Ostearthritis

M15-M19

 Other rheumatoid arthritis

M06

 Senility

R54

 Unspecific pain

R52.1, R52.2, R52.9