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Free Medical Coding > ICD10 CM > 2025 ICD-10-CM Diagnosis Codes Index > 2025 ICD-10-CM Index Term Starting With ‘A’

2025 ICD-10-CM Index Term Starting With ‘A’

  • Aarskog\’s syndrome, Q87.19
  • Abandonment
  • Abasia (-astasia) (hysterical), F44.4
  • Abderhalden-Kaufmann-Lignac syndrome (cystinosis), E72.04
  • Abdomen, abdominal
  • Abdominalgia
  • Abduction contracture, hip or other joint
  • Aberrant (congenital)
  • Aberration
  • Abetalipoproteinemia, E78.6
  • Abiotrophy, R68.89
  • Ablatio, ablation
  • Ablepharia, ablepharon, Q10.3
  • Abnormal, abnormality, abnormalities
  • Abnormity (any organ or part)
  • Abocclusion, M26.29
  • Abolition, language, R48.8
  • Aborter, habitual or recurrent
  • Abortion (complete) (spontaneous), O03.9
  • Abortus fever, A23.1
  • Aboulomania, F60.7
  • Abrami\’s disease, D59.8
  • Abramov-Fiedler myocarditis (acute isolated myocarditis), I40.1
  • Abrasion, T14.8
  • Abrism
  • Abruptio placentae, O45.9-
  • Abruption, placenta
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic), L02.91
  • Absence (of) (organ or part) (complete or partial)
  • Absorbent system disease, I87.8
  • Absorption
  • Abstinence symptoms, syndrome
  • Abulia, R68.89
  • Abulomania, F60.7
  • Abuse
  • Acalculia, R48.8
  • Acanthamebiasis (with), B60.10
  • Acanthocephaliasis, B83.8
  • Acanthocheilonemiasis, B74.4
  • Acanthocytosis, E78.6
  • Acantholysis, L11.9
  • Acanthosis (acquired) (nigricans), L83
  • Acapnia, E87.3
  • Acarbia, E87.29
  • Acardia, acardius, Q89.8
  • Acardiacus amorphus, Q89.8
  • Acardiotrophia, I51.4
  • Acariasis, B88.0
  • Acarodermatitis (urticarioides), B88.0
  • Acarophobia, F40.218
  • Acatalasemia, acatalasia, E80.3
  • Acathisia (drug induced), G25.71
  • Accelerated atrioventricular conduction, I45.6
  • Accentuation of personality traits (type A), Z73.1
  • Accessory (congenital)
  • Accident
  • Accidental
  • Accommodation (disorder)
  • Accouchement
  • Accreta placenta, O43.21-
  • Accretio cordis (nonrheumatic), I31.0
  • Accretions, tooth, teeth, K03.6
  • Acculturation difficulty, Z60.3
  • Accumulation secretion, prostate, N42.89
  • Acephalia, acephalism, acephalus, acephaly, Q00.0
  • Acephalobrachia monster, Q89.8
  • Acephalochirus monster, Q89.8
  • Acephalogaster, Q89.8
  • Acephalostomus monster, Q89.8
  • Acephalothorax, Q89.8
  • Acerophobia, F40.298
  • Acetonemia, R79.89
  • Acetonuria, R82.4
  • Achalasia (cardia) (esophagus), K22.0
  • Ache (s)
  • Acheilia, Q38.6
  • Achillobursitis
  • Achillodynia
  • Achlorhydria, achlorhydric (neurogenic), K31.83
  • Achluophobia, F40.228
  • Acholia, K82.8
  • Acholuric jaundice (familial) (splenomegalic)
  • Achondrogenesis, Q77.0
  • Achondroplasia (osteosclerosis congenita), Q77.4
  • Achroma, cutis, L80
  • Achromat (ism), achromatopsia (acquired) (congenital), H53.51
  • Achromia parasitica, B36.0
  • Achromia, congenital
  • Achylia gastrica, K31.89
  • Acid
  • Acidemia, E87.20
  • Acidity, gastric (high), K30
  • Acidocytopenia
  • Acidocytosis, D72.10
  • Acidopenia
  • Acidosis (lactic), E87.20
  • Aciduria
  • Acladiosis (skin), B36.0
  • Aclasis, diaphyseal, Q78.6
  • Acleistocardia, Q21.19
  • Aclusion
  • Acne, L70.9
  • Acnitis (primary), A18.4
  • Acosta\’s disease, T70.29
  • Acoustic
  • Acousticophobia, F40.298
  • ACPO (acute colonic pseudo-obstruction), K59.81
  • Acquired
  • Acrania, Q00.0
  • Acroangiodermatitis, I78.9
  • Acroasphyxia, chronic, I73.89
  • Acrobystitis, N47.7
  • Acrocephalopolysyndactyly, Q87.0
  • Acrocephalosyndactyly, Q87.0
  • Acrocephaly, Q75.0
  • Acrochondrohyperplasia
  • Acrocyanosis, I73.89
  • Acrodermatitis, L30.8
  • Acrodynia
  • Acromegaly, acromegalia, E22.0
  • Acromelalgia, I73.81
  • Acromicria, acromikria, Q79.8
  • Acronyx, L60.0
  • Acropachy, thyroid
  • Acroparesthesia (simple) (vasomotor), I73.89
  • Acropathy, thyroid
  • Acrophobia, F40.241
  • Acroposthitis, N47.7
  • Acroscleriasis, acroscleroderma, acrosclerosis
  • Acrosphacelus, I96
  • Acrospiroma, eccrine
  • Acrostealgia
  • Acrotrophodynia
  • ACTH ectopic syndrome, E24.3
  • Actinic
  • Actinobacillosis, actinobacillus, A28.8
  • Actinomyces israelii (infection)
  • Actinomycetoma (foot), B47.1
  • Actinomycosis, actinomycotic, A42.9
  • Actinoneuritis, G62.82
  • Action, heart
  • Activated protein C resistance, D68.51
  • Activation
  • Active
  • Acute
  • Acyanotic heart disease (congenital), Q24.9
  • Acystia, Q64.5
  • Adair-Dighton syndrome (brittle bones and blue sclera, deafness), Q78.0
  • Adamantinoblastoma
  • Adamantinoma
  • Adamantoblastoma
  • Adams-Stokes disease or syndrome (-Morgagni), I45.9
  • Adaption reaction
  • Addiction, F19.20
  • Addison-Biermer anemia (pernicious), D51.0
  • Addison-Schilder complex, E71.528
  • Addisonian crisis, E27.2
  • Addison\’s
  • Additional
  • Adduction contracture, hip or other joint
  • Adenitis
  • Adenoacanthoma
  • Adenoameloblastoma
  • Adenocarcinoid (tumor)
  • Adenocarcinoma
  • Adenocarcinoma-in-situ
  • Adenofibroma
  • Adenofibrosis
  • Adenoiditis (chronic), J35.02
  • Adenoids
  • Adenolipoma
  • Adenolipomatosis, Launois-Bensaude, E88.89
  • Adenolymphoma
  • Adenoma
  • Adenomatosis
  • Adenomatous
  • Adenomyoma
  • Adenomyometritis, N80.00
  • Adenomyosis (uterus), N80.03
  • Adenopathy (lymph gland), R59.9
  • Adenosalpingitis
  • Adenosarcoma
  • Adenosclerosis, I88.8
  • Adenosis breast (sclerosing)
  • Adenovirus, as cause of disease classified elsewhere, B97.0
  • Adentia (complete) (partial)
  • Adherent
  • Adhesions, adhesive (postinfective), K66.0
  • Adiaspiromycosis, B48.8
  • Adie pupil or syndrome (-Holmes)
  • Adiponecrosis neonatorum, P83.88
  • Adiposis
  • Adiposity
  • Adiposogenital dystrophy, E23.6
  • Adjustment
  • Administration of tPA in a different facility within the last 24 hours prior to admission to current facility (rtPA), Z92.82
  • Admission (for)
  • Adnexitis (suppurative)
  • Adolescent X-linked adrenoleukodystrophy, E71.521
  • Adrenal (gland)
  • Adrenalism, tuberculous, A18.7
  • Adrenalitis, adrenitis, E27.8
  • Adrenarche, premature, E27.0
  • Adrenocortical syndrome
  • Adrenogenital syndrome, E25.9
  • Adrenogenitalism, congenital, E25.0
  • Adrenoleukodystrophy, E71.529
  • Adrenomyeloneuropathy, E71.522
  • Adventitious bursa
  • Adverse effect
  • Advice
  • Adynamia (episodica) (hereditary) (periodic), G72.3
  • Aeration lung imperfect, newborn
  • Aero-otitis media, T70.0
  • Aerobullosis, T70.3
  • Aerocele
  • Aerodermectasia
  • Aerodontalgia, T70.29
  • Aeroembolism, T70.3
  • Aerogenes capsulatus infection, A48.0
  • Aerophagy, aerophagia (psychogenic), F45.8
  • Aerophobia, F40.228
  • Aerosinusitis, T70.1
  • Aerotitis, T70.0
  • Affection
  • Afibrinogenemia, D68.8
  • African
  • After-cataract
  • Aftercare, Z51.89
  • Agalactia (primary), O92.3
  • Agammaglobulinemia (acquired (secondary)) (nonfamilial), D80.1
  • Aganglionosis (bowel) (colon), Q43.1
  • Age (old)
  • Agenesis
  • Ageusia, R43.2
  • Agitated
  • Agitation, R45.1
  • Aglossia (congenital), Q38.3
  • Aglossia-adactylia syndrome, Q87.0
  • Aglycogenosis, E74.00
  • Agnosia (body image) (other senses) (tactile), R48.1
  • Agoraphobia, F40.00
  • Agrammatism, R48.8
  • Agranulocytopenia
  • Agranulocytosis (chronic) (cyclical) (genetic) (infantile) (periodic) (pernicious), D70.9
  • Agraphia (absolute), R48.8
  • Ague (dumb)
  • Agyria, Q04.3
  • Ahumada-del Castillo syndrome, E23.0
  • Aichomophobia, F40.298
  • AIDS (related complex), B20
  • Ailment heart
  • Ailurophobia, F40.218
  • AIN
  • Ainhum (disease), L94.6
  • AIPHI (acute idiopathic pulmonary hemorrhage in infants (over 28 days old)), R04.81
  • Air
  • Airplane sickness, T75.3
  • Akathisia (drug-induced) (treatment-induced), G25.71
  • Akinesia, R29.898
  • Akinetic mutism, R41.89
  • Akureyri\’s disease, G93.39
  • Alactasia, congenital, E73.0
  • Alagille\’s syndrome, Q44.7
  • Alastrim, B03
  • Albers-Schönberg syndrome, Q78.2
  • Albert\’s syndrome
  • Albinism, albino, E70.30
  • Albinismus, E70.30
  • Albright syndrome (-McCune)(-Sternberg), Q78.1
  • Albuminous
  • Albuminuria, albuminuric (acute) (chronic) (subacute), R80.9
  • Albuminurophobia, F40.298
  • Alcaptonuria, E70.29
  • Alcohol, alcoholic, alcohol-induced
  • Alcoholism (chronic) (without remission), F10.20
  • Alder (-Reilly) anomaly or syndrome (leukocyte granulation), D72.0
  • Aldosteronism, E26.9
  • Aldosteronoma, D44.10
  • Aldrich (-Wiskott) syndrome (eczema-thrombocytopenia), D82.0
  • Alektorophobia, F40.218
  • Aleppo boil, B55.1
  • Aleukemic
  • Aleukia
  • Alexia, R48.0
  • Algoneurodystrophy, M89.00
  • Algophobia, F40.298
  • Alienation, mental
  • Alkalemia, E87.3
  • Alkalosis, E87.3
  • Alkaptonuria, E70.29
  • Allen-Masters syndrome, N83.8
  • Allergy, allergic (reaction) (to), T78.40
  • Allescheriasis, B48.2
  • Alligator skin disease, Q80.9
  • Allocheiria, allochiria, R20.8
  • Almeida\’s disease
  • Alopecia (hereditaria) (seborrheica), L65.9
  • Alpers\’ disease, G31.81
  • Alpine sickness, T70.29
  • Alport syndrome, Q87.81
  • ALTE in newborn and infant (apparent life threatening event), R68.13
  • Alteration, Altered (of)
  • Alternating
  • Altitude, high (effects)
  • Aluminosis (of lung), J63.0
  • Alveolitis
  • Alveolus, alveolar
  • Alymphocytosis, D72.810
  • Alymphoplasia, thymic, D82.1
  • Alzheimer\’s disease or sclerosis
  • Amastia (with nipple present), Q83.8
  • Amathophobia, F40.228
  • Amaurosis (acquired) (congenital)
  • Amaurotic idiocy (infantile) (juvenile) (late), E75.4
  • Amaxophobia, F40.248
  • Ambiguous genitalia, Q56.4
  • Amblyopia (congenital) (ex anopsia) (partial) (suppression), H53.00-
  • Ameba, amebic (histolytica)
  • Amebiasis, A06.9
  • Ameboma (of intestine), A06.3
  • Amelia, Q73.0
  • Ameloblastoma
  • Amelogenesis imperfecta, K00.5
  • Amenorrhea, N91.2
  • Amentia
  • American
  • Ametropia
  • AMH (asymptomatic microscopic hematuria), R31.21
  • Amianthosis, J61
  • Amimia, R48.8
  • Amino-acid disorder, E72.9
  • Aminoacidopathy, E72.9
  • Aminoaciduria, E72.9
  • Amnes (t)ic syndrome (post-traumatic), F04
  • Amnesia, R41.3
  • Amnion, amniotic
  • Amnionitis
  • Amok, F68.8
  • Amoral traits, F60.89
  • Amphetamine-induced (or other stimulant)
  • Ampulla
  • Amputation
  • Amputee (bilateral) (old), Z89.9
  • Amsterdam dwarfism, Q87.19
  • Amusia, R48.8
  • Amyelencephalus, amyelencephaly, Q00.0
  • Amyelia, Q06.0
  • Amygdalitis
  • Amygdalolith, J35.8
  • Amyloid heart (disease), E85.4
  • Amyloidosis (generalized) (primary), E85.9
  • Amylopectinosis (brancher enzyme deficiency), E74.03
  • Amylophagia
  • Amyoplasia congenita, Q79.8
  • Amyotonia, M62.89
  • Amyotrophia, amyotrophy, amyotrophic, G71.8
  • Anacidity, gastric, K31.83
  • Anaerosis of newborn, P28.89
  • Analbuminemia, E88.09
  • Analgesia
  • Analphalipoproteinemia, E78.6
  • Anaphylactic
  • Anaphylactoid shock or reaction
  • Anaphylactoid syndrome of pregnancy, O88.01-
  • Anaphylaxis
  • Anaplasia cervix, N87.9
  • Anaplasmosis [A. phagocytophilum] (transfusion transmitted), A79.82
  • Anarthria, R47.1
  • Anasarca, R60.1
  • Anastomosis
  • Anatomical narrow angle, H40.03-
  • Ancylostoma, ancylostomiasis (braziliense) (caninum) (ceylanicum) (duodenale), B76.0
  • Andersen\’s disease (glycogen storage), E74.09
  • Anderson-Fabry disease, E75.21
  • Andes disease, T70.29
  • Andrews\’ disease (bacterid), L08.89
  • Androblastoma
  • Androgen insensitivity syndrome, E34.50
  • Androgen resistance syndrome, E34.50
  • Android pelvis, Q74.2
  • Androphobia, F40.290
  • Anectasis, pulmonary (newborn)
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound), D64.9
  • Anemophobia, F40.228
  • Anencephalus, anencephaly, Q00.0
  • Anergasia
  • Anesthesia, anesthetic, R20.0
  • Anetoderma (maculosum) (of), L90.8
  • Aneurin deficiency, E51.9
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular), I72.9
  • Angelman syndrome, Q93.51
  • Anger, R45.4
  • Angiectasis, angiectopia, I99.8
  • Angiitis, I77.6
  • Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor), I20.9
  • Angioblastoma
  • Angiocholecystitis
  • Angiocholitis, K83.09
  • Angiodysgenesis spinalis, G95.19
  • Angiodysplasia (cecum) (colon), K55.20
  • Angioedema (allergic) (any site) (with urticaria), T78.3
  • Angioendothelioma
  • Angioendotheliomatosis, C85.8-
  • Angiofibroma
  • Angiohemophilia (A) (B)
  • Angioid streaks (choroid) (macula) (retina), H35.33
  • Angiokeratoma
  • Angioleiomyoma
  • Angiolipoma
  • Angioma
  • Angiomatosis, Q82.8
  • Angiomyolipoma
  • Angiomyoliposarcoma
  • Angiomyoma
  • Angiomyosarcoma
  • Angiomyxoma
  • Angioneurosis, F45.8
  • Angioneurotic edema (allergic) (any site) (with urticaria), T78.3
  • Angiopathia, angiopathy, I99.9
  • Angiosarcoma
  • Angiosclerosis
  • Angiospasm (peripheral) (traumatic) (vessel), I73.9
  • Angiospastic disease or edema, I73.9
  • Angiostrongyliasis
  • Anguillulosis
  • Angulation
  • Angulus infectiosus (lips), K13.0
  • Anhedonia, R45.84
  • Anhidrosis, L74.4
  • Anhydration, E86.0
  • Anhydremia, E86.0
  • Anidrosis, L74.4
  • Aniridia (congenital), Q13.1
  • Anisakiasis (infection) (infestation), B81.0
  • Anisakis larvae infestation, B81.0
  • Aniseikonia, H52.32
  • Anisocoria (pupil), H57.02
  • Anisocytosis, R71.8
  • Anisometropia (congenital), H52.31
  • Ankle
  • Ankyloblepharon (eyelid) (acquired)
  • Ankyloglossia, Q38.1
  • Ankylosis (fibrous) (osseous) (joint), M24.60
  • Ankylostoma
  • Ankylostomiasis
  • Ankylurethria
  • Annular
  • Anoctaminopathy, G71.035
  • Anodontia (complete) (partial) (vera), K00.0
  • Anomaly, anomalous (congenital) (unspecified type), Q89.9
  • Anomia, R48.8
  • Anonychia (congenital), Q84.3
  • Anophthalmos, anophthalmus (congenital) (globe), Q11.1
  • Anopia, anopsia, H53.46-
  • Anorchia, anorchism, anorchidism, Q55.0
  • Anorexia, R63.0
  • Anorgasmy, psychogenic (female), F52.31
  • Anosmia, R43.0
  • Anosognosia, R41.89
  • Anosteoplasia, Q78.9
  • Anovulatory cycle, N97.0
  • Anoxemia, R09.02
  • Anoxia (pathological), R09.02
  • Anteflexion
  • Antenatal
  • Antepartum
  • Anterior
  • Antero-occlusion, M26.220
  • Anteversion
  • Anthophobia, F40.228
  • Anthracosilicosis, J60
  • Anthracosis (lung) (occupational), J60
  • Anthrax, A22.9
  • Anthropoid pelvis, Q74.2
  • Anthropophobia, F40.10
  • Antibodies, maternal (blood group)
  • Antibody
  • Anticardiolipin syndrome, D68.61
  • Anticoagulant, circulating (intrinsic), D68.318
  • Antidiuretic hormone syndrome, E22.2
  • Antimonial cholera
  • Antiphospholipid
  • Antisocial personality, F60.2
  • Antithrombinemia
  • Antithromboplastinemia, D68.318
  • Antithromboplastinogenemia, D68.318
  • Antitoxin complication or reaction
  • Antlophobia, F40.228
  • Antritis, J32.0
  • Antrum, antral
  • Anuria, R34
  • Anus, anal
  • Anusitis, K62.89
  • Anxiety, F41.9
  • Aorta, aortic
  • Aortectasia
  • Aortitis (nonsyphilitic) (calcific), I77.6
  • Apathetic thyroid storm
  • Apathy, R45.3
  • Apeirophobia, F40.228
  • Apepsia, K30
  • Aperistalsis, esophagus, K22.0
  • Apertognathia, M26.29
  • Apert\’s syndrome, Q87.0
  • Aphagia, R13.0
  • Aphakia (acquired) (postoperative), H27.0-
  • Aphasia (amnestic) (global) (nominal) (semantic) (syntactic), R47.01
  • Aphonia (organic), R49.1
  • Aphthae, aphthous
  • Apical
  • Apiphobia, F40.218
  • Aplasia
  • Apnea, apneic (of) (spells), R06.81
  • Apneumatosis, newborn, P28.0
  • Apocrine metaplasia (breast)
  • Apophysitis (bone)
  • Apoplectiform convulsions (cerebral ischemia), I67.82
  • Apoplexia, apoplexy, apoplectic
  • Appearance
  • Appendage
  • Appendicitis (pneumococcal) (retrocecal), K37
  • Appendicopathia oxyurica, B80
  • Appendix, appendicular
  • Appetite
  • Apple peel syndrome, Q41.1
  • Apprehension state, F41.1
  • Apprehensiveness, abnormal, F41.9
  • Approximal wear, K03.0
  • Apraxia (classic) (ideational) (ideokinetic) (ideomotor) (motor) (verbal), R48.2
  • Aptyalism, K11.7
  • Apudoma
  • Aqueous misdirection, H40.83-
  • Arabicum elephantiasis
  • Arachnitis
  • Arachnodactyly
  • Arachnoiditis (acute) (adhesive) (basal) (brain) (cerebrospinal)
  • Arachnophobia, F40.210
  • Arboencephalitis, Australian, A83.4
  • Arborization block (heart), I45.5
  • ARC (AIDS-related complex), B20
  • Arc-welder\’s lung, J63.4
  • Arch
  • Arches
  • Arcuate uterus, Q51.810
  • Arcuatus uterus, Q51.810
  • Arcus senilis (cornea)
  • Areflexia, R29.2
  • Areola
  • Argentaffinoma
  • Argininemia, E72.21
  • Arginosuccinic aciduria, E72.22
  • Argyll Robertson phenomenon, pupil or syndrome (syphilitic), A52.19
  • Argyria, argyriasis
  • Argyrosis, conjunctival, H11.13-
  • Arhinencephaly, Q04.1
  • Ariboflavinosis, E53.0
  • Arm
  • Arnold-Chiari disease, obstruction or syndrome (type II), Q07.00
  • Aromatic amino-acid metabolism disorder, E70.9
  • Arousals, confusional, G47.51
  • Arrest, arrested
  • Arrhenoblastoma
  • Arrhythmia (auricle)(cardiac)(juvenile)(nodal)(reflex)(supraventricular)(transitory)(ventricle), I49.9
  • Arrillaga-Ayerza syndrome (pulmonary sclerosis with pulmonary hypertension), I27.0
  • Arsenical pigmentation, L81.8
  • Arsenism
  • Arterial
  • Arteriofibrosis
  • Arteriolar sclerosis
  • Arteriolith
  • Arteriolitis, I77.6
  • Arteriolosclerosis
  • Arterionephrosclerosis
  • Arteriopathy, I77.9
  • Arteriosclerosis, arteriosclerotic (diffuse) (obliterans) (of) (senile) (with calcification), I70.90
  • Arteriospasm, I73.9
  • Arteriovenous
  • Arteritis, I77.6
  • Artery, arterial
  • Arthralgia (allergic)
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute), M19.90
  • Arthrocele
  • Arthrodesis status, Z98.1
  • Arthrodynia
  • Arthrodysplasia, Q74.9
  • Arthrofibrosis, joint
  • Arthrogryposis (congenital), Q68.8
  • Arthrokatadysis, M24.7
  • Arthropathy, M12.9
  • Arthropyosis
  • Arthrosis (deformans) (degenerative) (localized), M19.90
  • Arthus\’ phenomenon or reaction, T78.41
  • Articular
  • Articulation, reverse (teeth), M26.24
  • Artificial
  • Arytenoid
  • Asbestosis (occupational), J61
  • ASC-H (atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear)
  • ASC-US (atypical squamous cells of undetermined significance on cytologic smear)
  • Ascariasis, B77.9
  • Ascaridosis, ascaridiasis
  • Ascaris (infection) (infestation) (lumbricoides)
  • Ascending
  • Aschoff\’s bodies
  • Ascites (abdominal), R18.8
  • Aseptic
  • Asherman\’s syndrome, N85.6
  • Asialia, K11.7
  • Asiatic cholera
  • Asimultagnosia (simultanagnosia), R48.3
  • Askin\’s tumor
  • Asocial personality, F60.2
  • Asomatognosia, R41.4
  • Aspartylglucosaminuria, E77.1
  • Asperger\’s disease or syndrome, F84.5
  • Aspergilloma
  • Aspergillosis (with pneumonia), B44.9
  • Aspergillus (flavus) (fumigatus) (infection) (terreus)
  • Aspermatogenesis
  • Aspermia (testis)
  • Asphyxia, asphyxiation (by), R09.01
  • Aspiration
  • Asplenia (congenital), Q89.01
  • Assam fever, B55.0
  • Assault, sexual
  • Assmann\’s focus NEC, A15.0
  • Astasia (-abasia) (hysterical), F44.4
  • Asteatosis cutis, L85.3
  • Astereognosia, astereognosis, R48.1
  • Asterixis, R27.8
  • Asteroid hyalitis
  • Asthenia, asthenic, R53.1
  • Asthenopia
  • Asthenospermia
  • Asthma, asthmatic (bronchial) (catarrh) (spasmodic), J45.909
  • Astigmatism (compound) (congenital), H52.20-
  • Astraphobia, F40.220
  • Astroblastoma
  • Astrocytoma (cystic)
  • Astroglioma
  • Asymbolia, R48.8
  • Asymmetry
  • Asynergia, asynergy, R27.8
  • Asystole (heart)
  • At risk
  • Ataxia, ataxy, ataxic, R27.0
  • Ataxia-telangiectasia (Louis-Bar), G11.3
  • Atelectasis (massive) (partial) (pressure) (pulmonary), J98.11
  • Atelocardia, Q24.9
  • Atelomyelia, Q06.1
  • Atheroembolism
  • Atheroma, atheromatous, I70.90
  • Atheromatosis
  • Atherosclerosis
  • Athetosis (acquired), R25.8
  • Athlete\’s
  • Athrepsia, E41
  • Athyrea (acquired)
  • Atonia, atony, atonic
  • Atopy
  • Atransferrinemia, congenital, E88.09
  • Atresia, atretic
  • Atrichia, atrichosis
  • Atrophia
  • Atrophie blanche (en plaque) (de Milian), L95.0
  • Atrophoderma, atrophodermia (of), L90.9
  • Atrophy, atrophic (of)
  • Attack, attacks
  • Attention (to)
  • Attrition
  • Atypical, atypism
  • Auditory
  • Aujeszky\’s disease, B33.8
  • Aurantiasis, cutis, E67.1
  • Auricle, auricular
  • Auriculotemporal syndrome, G50.8
  • Austin Flint murmur (aortic insufficiency), I35.1
  • Australian
  • Autism, autistic (childhood) (infantile), F84.0
  • Autodigestion, R68.89
  • Autoerythrocyte sensitization (syndrome), D69.2
  • Autographism, L50.3
  • Autoimmune
  • Autointoxication, R68.89
  • Automatism, G93.89
  • Autonomic, autonomous
  • Autosensitivity, erythrocyte, D69.2
  • Autosensitization, cutaneous, L30.2
  • Autosome
  • Autotopagnosia, R48.1
  • Autotoxemia, R68.89
  • Autumn
  • Avellis\’ syndrome, G46.8
  • Aversion
  • Aviator\’s
  • Avitaminosis (multiple), E56.9
  • AVNRT (atrioventricular nodal re-entrant tachycardia), I47.1
  • AVRT (atrioventricular nodal re-entrant tachycardia), I47.1
  • Avulsion (traumatic)
  • Awareness of heart beat, R00.2
  • Axenfeld\’s
  • Axilla, axillary
  • Axonotmesis
  • Ayerza\’s disease or syndrome (pulmonary artery sclerosis with pulmonary hypertension), I27.0
  • Azoospermia (organic), N46.01
  • Azotemia, R79.89
  • Aztec ear, Q17.3
  • Azygos