Arnold-Chiari obstruction or syndrome (see also Spina bifida) 741.0

Arousals

Arrest, arrested

Arrhenoblastoma (M8630/1)

Arrhinencephaly 742.2

Arrhythmia (auricle) (cardiac) (cordis) (gallop rhythm) (juvenile) (nodal) (reflex) (sinus) (supraventricular) (transitory) (ventricle) 427.9

Arrillaga-Ayerza syndrome (pulmonary artery sclerosis with pulmonary hypertension) 416.0

Arsenical

Arsenism 985.1

Arterial - see condition

Arteriectasis 447.8

Arteriofibrosis - see Arteriosclerosis

Arteriolar sclerosis - see Arteriosclerosis

Arteriolith - see Arteriosclerosis

Arteriolitis 447.6

Arteriolosclerosis - see Arteriosclerosis

Arterionephrosclerosis (see also Hypertension, kidney) 403.90

Arteriopathy 447.9

Arteriosclerosis, arteriosclerotic (artery) (deformans) (diffuse) (disease) (endarteritis) (general) (obliterans) (obliterative) (occlusive) (senile) (with calcification) 440.9

Arteriospasm 443.9

Arteriovenous - see condition

Arteritis 447.6

Artery, arterial - see condition

Arthralgia (see also Pain, joint) 719.4

Arthritis, arthritic (acute) (chronic) (subacute) 716.9

Arthrocele (see also Effusion, joint) 719.0

Arthrochondritis - see Arthritis

Arthrodesis status V45.4

Arthrodynia (see also Pain, joint) 719.4

Arthrodysplasia 755.9

Arthrofibrosis, joint (see also Ankylosis) 718.5

Arthrogryposis 728.3

Arthrokatadysis 715.35

Arthrolithiasis 274.0

Arthro-onychodysplasia 756.89

Arthro-osteo-onychodysplasia 756.89

Arthropathy (see also Arthritis) 716.9

Arthrophyte (see also Loose, body, joint) 718.1

Arthrophytis 719.80

Arthropyosis (see also Arthritis, pyogenic) 711.0

Arthroscopic surgical procedure converted to open procedure V64.43

Arthrosis (deformans) (degenerative) (see also Osteoarthrosis) 715.9

Arthus phenomenon 995.21

Articular - see also condition

Articulation

Artificial

ARV (disease) (illness) (infection) - see Human immunodeficiency virus (disease) (illness) (infection)

Arytenoid - see condition

Asbestosis (occupational) 501

Asboe-Hansen's disease (incontinentia pigmenti) 757.33