Index to Diseases and Injuries: C

732 entries

• CachexiaR64
• CADASIL (cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy)I67.850
• Café, au lait spotsL81.3
• Caffeine-induced
• Caffey's syndromeQ78.8
• Caisson diseaseT70.3
• Cake kidneyQ63.1
• Caked breast (puerperal, postpartum)O92.79
• Calabar swellingB74.3
• Calcaneal spur
• Calcaneo-apophysitisM92.6
• Calcareous
• CalcicosisJ62.8
• Calciferol (vitamin D) deficiencyE55.9
• Calcification
• Calcified
• Calcinosis (interstitial) (tumoral) (universalis)E83.59
• CalciphylaxisE83.59
• Calcium
• CalciuriaR82.994
• Calculi
• Calculosis, intrahepatic
• Calculus, calculi, calculous
• CalicectasisN28.89
• CaliectasisN28.89
• California
• Caligo cornea
• Callositas, callosity (infected)L84
• Callus (infected)L84
• CALME (childhood asymmetric labium majus enlargement)N90.61
• Calorie deficiency or malnutritionE46
• Calpainopathy (primary)G71.032
• Calvé-Perthes disease
• Calvé's disease
• Calvities
• Cameroon fever
• Camptocormia (hysterical)F44.4
• Camurati-Engelmann syndromeQ78.3
• Canal
• Canaliculitis (lacrimal) (acute) (subacute)H04.33-
• Canavan diseaseE75.28
• Canceled procedure (surgical)Z53.9
• Cancer
• Cancer (o) phobiaF45.29
• Cancerous
• Cancrum orisA69.0
• Candidiasis, candidalB37.9
• CandididL30.2
• Candidosis
• Candiru infection or infestationB88.8
• Canities (premature)L67.1
• Canker (mouth) (sore)K12.0
• CannabinosisJ66.2
• Cannabis induced
• Canton feverA75.9
• Cantrell's syndromeQ87.89
• Capillariasis (intestinal)B81.1
• Capillary
• Caplan's syndrome
• Capsule
• Capsulitis (joint)
• Caput
• Car sicknessT75.3
• Carapata (disease)A68.0
• Carate
• Carbon lungJ60
• CarbuncleL02.93
• Carbunculus
• Carcinoid (tumor)
• CarcinoidosisE34.00
• Carcinoma (malignant)
• Carcinoma-in-situ
• CarcinomaphobiaF45.29
• CarcinomatosisC80.0
• Carcinosarcoma
• Cardia, cardial
• Cardiac
• Cardialgia
• Cardiectasis
• CardiochalasiaK21.9
• CardiomalaciaI51.5
• Cardiomegalia glycogenica diffusaE74.02
• Cardiomegaly
• CardiomyoliposisI51.5
• Cardiomyopathy (familial) (idiopathic)I42.9
• Cardionephritis
• Cardionephropathy
• Cardionephrosis
• Cardiopathia nigraI27.0
• CardiopathyI51.9
• Cardiopericarditis
• CardiophobiaF45.29
• Cardiorenal
• Cardiorrhexis
• Cardiosclerosis
• Cardiosis
• Cardiospasm (esophagus) (reflex) (stomach)K22.0
• Cardiostenosis
• CardiosymphysisI31.0
• Cardiovascular
• Carditis (acute) (bacterial) (chronic) (subacute)I51.89
• Care (of) (for) (following)
• Caries
• Carious teeth
• Carneous moleO02.0
• Carnitine insufficiencyE71.40
• Carotid body or sinus syndromeG90.01
• CarotidyniaG90.01
• Carotenemia (dietary)E67.1
• Carotenosis (cutis) (skin)E67.1
• Carpal tunnel syndrome
• Carpenter's syndromeQ87.0
• Carpopedal spasm
• Carr-Barr-Plunkett syndromeQ97.1
• Carrier (suspected) of
• Carrion's diseaseA44.0
• Carter's relapsing fever (Asiatic)A68.1
• Cartilage
• Caruncle (inflamed)
• Cascade stomachK31.2
• Caseation lymphatic gland (tuberculous)A18.2
• Cassidy (-Scholte) syndrome (malignant carcinoid)E34.09
• Castellani's diseaseA69.8
• Castration, traumatic, maleS38.231
• Casts in urineR82.998
• Cat
• Catabolism, senileR54
• Catalepsy (hysterical)F44.2
• Cataplexy (idiopathic)
• Cataract (cortical) (immature) (incipient)H26.9
• Cataracta
• Catarrh, catarrhal (acute) (febrile) (infectious) (inflammation)J00
• Catatonia (schizophrenic)F20.2
• Catatonic
• Cat-scratch
• Cauda equina
• Cauliflower earM95.1-
• Causalgia (upper limb)G56.4-
• Cause
• Caustic burn
• Cavare's disease (familial periodic paralysis)G72.3
• Cave-in, injury
• Cavernitis (penis)N48.29
• CavernositisN48.29
• Cavernous
• Cavitation of lung
• Cavities, dental
• Cavity
• Cavovarus foot, congenitalQ66.1-
• Cavus foot (congenital)Q66.7-
• Cazenave's diseaseL10.2
• CCCA (central centrifugal cicatricial alopecia)L66.81
• CDKL5 (Cyclin-Dependent Kinase-Like 5 Deficiency Disorder)G40.42
• CecitisK52.9
• CecoureteroceleQ62.32
• Cecum
• Celiac
• Cell (s) , cellular
• Cellulitis (diffuse) (phlegmonous) (septic) (suppurative)L03.90
• Cementoblastoma, benign
• Cementoma
• Cementoperiostitis
• CementosisK03.4
• Central auditory processing disorderH93.25
• Central pain syndromeG89.0
• Cephalematocele, cephal (o) hematocele
• Cephalematoma, cephalhematoma (calcified)
• Cephalgia, cephalalgia
• Cephalic
• Cephalitis
• Cephalocele
• CephalomeniaN94.89
• Cephalopelvic
• Cerclage (with cervical incompetence) in pregnancy
• Cerebellitis
• Cerebellum, cerebellar
• Cerebral
• Cerebritis
• Cerebro-hepato-renal syndromeQ87.89
• Cerebromalacia
• Cerebroside lipidosisE75.22
• Cerebrospasticity (congenital)G80.1
• Cerebrospinal
• Cerebrum
• Ceroid-lipofuscinosis, neuronalE75.4
• Cerumen (accumulation) (impacted)H61.2-
• Cervical
• CervicalgiaM54.2
• Cervicitis (acute) (atrophic) (chronic) (nonvenereal) (senile) (subacute) (with ulceration)N72
• Cervicocolpitis (emphysematosa) (see also Cervicitis)N72
• Cervix
• Cesarean delivery, previous, affecting management of pregnancyO34.219
• Céstan (-Chenais) paralysis or syndromeG46.3
• Céstan-Raymond syndromeI65.8
• Cestode infestationB71.9
• CestodiasisB71.9
• CGL (congenital generalized lipodystrophy)E88.12
• Chabert's diseaseA22.9
• ChacalehE53.8
• ChafingL30.4
• Chagas' (-Mazza) disease (chronic)B57.2
• Chagres feverB50.9
• ChairriddenZ74.09
• Chalasia (cardiac sphincter)K21.9
• ChalazionH00.19
• Chalcosis
• Chalicosis (pulmonum)J62.8
• Chancre (any genital site) (hard) (hunterian) (mixed) (primary) (seronegative) (seropositive) (syphilitic)A51.0
• Chancroid (anus) (genital) (penis) (perineum) (rectum) (urethra) (vulva)A57
• Chandler's disease (osteochondritis dissecans, hip)
• Change (s) (in) (of)
• Changing sleep-work schedule, affecting sleepG47.26
• Changuinola feverA93.1
• Chapping skinT69.8
• Charcot-Marie-Tooth disease, paralysis or syndromeG60.0
• Charcot's
• CHARGE associationQ89.89
• Charley-horse (quadriceps)M62.831
• Charlouis' disease
• Cheadle's diseaseE54
• Checking (of)
• Check-up
• Chédiak-Higashi (-Steinbrinck) syndrome (congenital gigantism of peroxidase granules)E70.330
• Cheek
• Cheese itchB88.09
• Cheese-washer's lungJ67.8
• Cheese-worker's lungJ67.8
• Cheilitis (acute) (angular) (catarrhal) (chronic) (exfoliative) (gangrenous) (glandular) (infectional) (suppurative) (ulcerative) (vesicular)K13.0
• CheilodyniaK13.0
• Cheiloschisis
• Cheilosis (angular)K13.0
• CheiromegalyM79.89
• CheiropompholyxL30.1
• Cheloid
• Chemical burn
• Chemodectoma
• Chemosis, conjunctiva
• Chemotherapy (session) (for)
• CherubismM27.8
• Chest
• Cheyne-Stokes breathing (respiration)R06.3
• Chiari's
• Chicago diseaseB40.9
• Chickenpox
• Chiclero ulcer or soreB55.1
• Chigger (infestation)B88.09
• Chignon (disease)B36.8
• Chilaiditi's syndrome (subphrenic displacement, colon)Q43.3
• Chilblain (s) (lupus)T69.1
• Child
• Childbirth
• Childhood
• Chill (s)R68.83
• ChilomastigiasisA07.8
• Chimera 46,XX/46,XYQ99.0
• Chin
• Chinese dysenteryA03.9
• ChionophobiaF40.228
• Chitral feverA93.1
• Chlamydia, chlamydialA74.9
• Chlamydiosis
• Chloasma (skin) (idiopathic) (symptomatic)L81.1
• ChloromaC92.3-
• ChlorosisD50.9
• Chlorotic anemiaD50.8
• Chocolate cyst (ovary)N80.10-
• Choked
• Chokes (resulting from bends)T70.3
• Choking sensationR09.89
• CholangiectasisK83.8
• Cholangiocarcinoma
• CholangiohepatitisK83.8
• CholangiohepatomaC22.0
• Cholangiolitis (acute) (chronic) (extrahepatic) (gangrenous) (intrahepatic)K83.09
• CholangiomaD13.4
• Cholangitis (ascending) (recurrent) (secondary) (stenosing) (suppurative)K83.09
• CholecystectasiaK82.8
• CholecystitisK81.9
• Cholecystolithiasis
• Choledochitis (suppurative)K83.09
• Choledocholith
• Choledocholithiasis (common duct) (hepatic duct)
• Cholelithiasis (cystic duct) (gallbladder) (impacted) (multiple)
• Cholemia
• Choleperitoneum, choleperitonitisK65.3
• Cholera (Asiatic) (epidemic) (malignant)A00.9
• Cholerine
• Cholestasis NECK83.1
• Cholesteatoma (ear) (middle) (with reaction)H71.9-
• Cholesteatosis, diffuseH71.3-
• CholesteremiaE78.00
• Cholesterin in vitreous
• Cholesterol
• Cholesterolemia (essential) (pure)E78.00
• Cholesterolosis, cholesterosis (gallbladder)K82.4
• Cholocolic fistulaK82.3
• CholuriaR82.2
• ChondritisM94.8X9
• Chondroblastoma
• ChondrocalcinosisM11.20
• Chondrodermatitis nodularis helicis or anthelicis
• ChondrodysplasiaQ78.9
• Chondrodystrophy, chondrodystrophia (familial) (fetalis) (hypoplastic)Q78.9
• Chondroectodermal dysplasiaQ77.6
• Chondrogenesis imperfectaQ77.4
• ChondrolysisM94.35-
• Chondroma
• Chondromalacia (systemic)M94.20
• Chondromatosis
• Chondromyxosarcoma
• Chondro-osteodysplasia (Morquio-Brailsford type)E76.219
• Chondro-osteodystrophyE76.29
• Chondro-osteoma
• Chondropathia tuberosaM94.0
• Chondrosarcoma
• Chordee (nonvenereal)N48.89
• Chorditis (fibrinous) (nodosa) (tuberosa)J38.2
• Chordoma
• Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic)G25.5
• Choreoathetosis (paroxysmal)G25.5
• Chorioadenoma (destruens)D39.2
• ChorioamnionitisO41.12-
• ChorioangiomaD26.7
• Choriocarcinoma
• Chorioencephalitis (acute) (lymphocytic) (serous)A87.2
• Chorioepithelioma
• Choriomeningitis (acute) (lymphocytic) (serous)A87.2
• Chorionepithelioma
• Chorioretinitis
• Chorioretinopathy, central serousH35.71-
• Choroid
• ChoroideremiaH31.21
• Choroiditis
• Choroidopathy
• Choroidoretinitis
• Choroidoretinopathy, central serous
• Christian-Weber diseaseM35.6
• Christmas diseaseD67
• Chromaffinoma
• Chromatopsia
• Chromhidrosis, chromidrosisL75.1
• Chromoblastomycosis
• ChromoconversionR82.91
• ChromomycosisB43.9
• ChromophytosisB36.0
• Chromosome
• ChromotrichomycosisB36.8
• Chronic
• Churg-Strauss syndromeM30.1
• Chyle cyst, mesenteryI89.8
• Chylocele (nonfilarial)I89.8
• Chylomicronemia (fasting) (with hyperprebetalipoproteinemia)E78.3
• ChylopericardiumI31.39
• Chylothorax (nonfilarial)J94.0
• Chylous
• Chyluria (nonfilarial)R82.0
• Cicatricial (deformity)
• Cicatrix (adherent) (contracted) (painful) (vicious)L90.5
• CIDP (chronic inflammatory demyelinating polyneuropathy )G61.81
• CIN
• CINCA (chronic infantile neurological, cutaneous and articular syndrome)M04.2
• Cinchonism
• Circle of Willis
• Circular
• Circulating anticoagulantsD68.318
• Circulation
• Circulatory system
• Circulus senilis (cornea)
• Circumcision (in absence of medical indication) (ritual) (routine)Z41.2
• Circumscribed
• Circumvallate placentaO43.11-
• Cirrhosis, cirrhotic (hepatic) (liver)K74.60
• Cistern, subarachnoidR93.0
• CitrullinemiaE72.23
• CitrullinuriaE72.23
• Civatte's disease or poikilodermaL57.3
• CLAD
• Clam digger's itchB65.3
• Clammy skinR23.1
• Clap
• Clarke-Hadfield syndrome (pancreatic infantilism)K86.89
• Clark's paralysisG80.9
• ClastothrixL67.8
• Claude Bernard-Horner syndromeG90.2
• Claude's disease or syndromeG46.3
• Claudication (intermittent)I73.9
• Claudicatio venosa intermittensI87.8
• ClaustrophobiaF40.240
• Clavus (infected)L84
• Clawfoot (congenital)Q66.89
• Clawhand (acquired)
• Clawtoe (congenital)Q66.89
• Clay eating
• Cleansing of artificial opening
• Cleft (congenital)
• Cleidocranial dysostosisQ74.0
• CleptomaniaF63.2
• Clicking hip (newborn)R29.4
• Climacteric (female)
• Clinical research investigation (clinical trial) (control subject) (normal comparison) (participant)Z00.6
• Clitoris
• Cloaca (persistent)Q43.7
• Clonorchiasis, clonorchis infection (liver)B66.1
• ClonusR25.8
• Closed biteM26.29
• Clostridium (C.) perfringens, as cause of disease classified elsewhereB96.7
• Closure
• Clot (blood)
• Clouded stateR40.1
• Cloudy antrum, antraJ32.0
• Clouston's (hidrotic) ectodermal dysplasiaQ82.4
• Cloverleaf skullQ75.051
• Clubbed nail pachydermoperiostosisM89.40
• Clubbing of finger (s) (nails)R68.3
• ClubfingerR68.3
• Clubfoot (congenital)Q66.89
• Clubhand (congenital) (radial)Q71.4-
• ClubnailR68.3
• Clump, kidneyQ63.1
• Clumsiness, clumsy child syndromeF82
• ClutteringF80.81
• Clutton's jointsA50.51
• Coagulation, intravascular (diffuse) (disseminated)
• Coagulopathy
• Coalition
• Coalminer's
• Coalworker's lung or pneumoconiosisJ60
• Coarctation
• Coated tongueK14.3
• Coats' disease (exudative retinopathy)
• Cocaine-induced
• Cocainism
• CoccidioidomycosisB38.9
• Coccidioidosis
• Coccidiosis (intestinal)A07.3
• Coccydynia, coccygodyniaM53.3
• Coccyx
• Cochin-China diarrheaK90.1
• Cockayne's syndromeQ87.19
• Cocked up toe
• Cock's peculiar tumorL72.3
• Codman's tumor
• CoenurosisB71.8
• Coffee-worker's lungJ67.8
• Cogan's syndromeH16.32-
• Coitus, painful (female)N94.10
• ColdJ00
• ColdsoreB00.1
• ColibacillosisA49.8
• Colic (bilious) (infantile) (intestinal) (recurrent) (spasmodic)R10.83
• Colicystitis
• Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic)K52.9
• Collagenosis, collagen disease (nonvascular) (vascular)M35.9
• CollapseR55
• Collateral
• Colles' fractureS52.53-
• Collet (-Sicard) syndromeG52.7
• Collier's asthma or lungJ60
• Collodion babyQ80.2
• Colloid nodule (of thyroid) (cystic)E04.1
• Coloboma (iris)Q13.0
• Coloenteritis
• Colon
• Colonization
• ColoptosisK63.4
• Color blindness
• Colostomy
• Colpitis (acute)
• ColpoceleN81.5
• Colpocystitis
• ColpospasmN94.2
• Column, spinal, vertebral
• ComaR40.20
• Comatose
• Combat fatigueF43.0
• Combined
• Comedo, comedones (giant)L70.0
• Comedocarcinoma
• Comedomastitis
• Comminuted fracture - code as Fracture, closed
• Common
• Commotio, commotion (current)
• Communication
• Compartment syndrome (deep) (posterior) (traumatic)T79.A0
• Compensation
• Complaint
• Complete
• Complex
• Complication (s) (from) (of)
• Compressed air diseaseT70.3
• Compression
• Compulsion, compulsive
• Concato's disease (pericardial polyserositis)A19.9
• Concavity chest wallM95.4
• Concealed penisQ55.64
• Concern (normal) about sick person in familyZ63.6
• Concrescence (teeth)K00.2
• Concretio cordisI31.1
• Concretion
• Concussion (brain) (cerebral) (current)S06.0X9
• Condition
• Conditions arising in the perinatal period
• Conduct disorder
• CondylomaA63.0
• Conflagration
• Conflict (with)
• Confluent
• Confusion, confusedR41.0
• Confusional arousalsG47.51
• CongelationT69.9
• Congenital
• Congestion, congestive
• Congestive
• Conical
• Conjoined twinsQ89.4
• Conjugal maladjustmentZ63.0
• Conjunctiva
• Conjunctivitis (staphylococcal) (streptococcal) NOSH10.9
• ConjunctivochalasisH11.82-
• Connective tissue
• Conn's syndromeE26.01
• Conradi (-Hunermann) diseaseQ77.3
• ConsanguinityZ84.3
• Conscious simulation (of illness)Z76.5
• Consecutive
• Consolidation lung (base)
• Constipation (atonic) (neurogenic) (simple) (spastic)K59.00
• Constitutional
• Constitutionally substandardF60.7
• Constriction
• Constrictive
• Consultation
• Consumption
• Contact (with)
• Contamination, food
• Contraception, contraceptive
• Contraction (s) , contracture, contracted
• Contusion (skin surface intact)T14.8
• Conus (congenital) (any type)Q14.8
• Conversion hysteria, neurosis or reactionF44.9
• Converter, tuberculosis (test reaction)R76.11
• Conviction (legal) , anxiety concerningZ65.0
• Convulsions (idiopathic)R56.9
• Convulsive
• Cooley's anemiaD56.1
• Coolie itchB76.9
• Cooper's
• Copra itchB88.09
• CoprophagyF50.89
• CoprophobiaF40.298
• Coproporphyria, hereditaryE80.29
• Cor
• Corbus' disease (gangrenous balanitis)N48.1
• Cord
• Cordis ectopiaQ24.8
• Corditis (spermatic)N49.1
• CorectopiaQ13.2
• Cori's disease (glycogen storage)E74.03
• Corkhandler's disease or lungJ67.3
• Corkscrew esophagusK22.4
• Corkworker's disease or lungJ67.3
• Corn (infected)L84
• Cornea
• Cornelia de Lange syndromeQ87.19
• Cornu cutaneumL85.8
• Cornual gestation or pregnancyO00.51-
• Coronary (artery)
• Coronavirus (infection)
• Corpora
• Corpulence
• Corpus
• Corrected transpositionQ20.5
• Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)T30.4
• Corrosive burn
• Corsican fever
• Cortical
• Cortico-adrenal
• Coryza (acute)J00
• Co-sleeping, child-caregiverZ72.823
• Costen's syndrome or complexM26.69
• Costiveness
• CostochondritisM94.0
• Cotard's syndromeF22
• Cot deathR99
• Cotia virusB08.8
• Cotton wool spots (retinal)H35.81
• Cotugno disease
• Cough (affected) (epidemic) (nervous)R05.9
• Counseling (for)Z71.9
• Coupled rhythmR00.8
• Couvelaire syndrome or uterus (complicating delivery)O45.8X-
• COVID-19U07.1
• Cowperitis
• Cowper's gland
• CowpoxB08.010
• Coxa
• Coxalgia, coxalgic (nontuberculous)
• Coxitis
• Coxsackie (virus) (infection)B34.1
• CPVT (catecholaminergic polymorphic ventricular tachycardia)I47.22
• Crabs, meaning pubic liceB85.3
• Crack babyP04.41
• Cracked nippleN64.0
• Cracked toothK03.81
• Cradle capL21.0
• Craft neurosisF48.8
• Cramp (s)R25.2
• Cranial
• CraniocleidodysostosisQ74.0
• Craniofenestria (skull)Q75.8
• Craniolacunia (skull)Q75.8
• CraniopagusQ89.4
• Craniopathy, metabolicM85.2
• Craniopharyngeal
• CraniopharyngiomaD44.4
• Craniorachischisis (totalis)Q00.1
• CranioschisisQ75.8
• CraniostenosisQ75.009
• CraniosynostosisQ75.009
• Craniotabes (cause unknown)M83.8
• Cranium
• Craw-craw
• Creaking joint
• Creeping
• Crenated tongueK14.8
• CreotoxismA05.9
• Crepitus
• Crescent or conus choroid, congenitalQ14.3
• CREST syndromeM34.1
• Cretin, cretinism (congenital) (endemic) (nongoitrous) (sporadic)E00.9
• Creutzfeldt-Jakob disease or syndrome (with dementia)A81.00
• Crib deathR99
• Cribriform hymenQ52.3
• Cri-du-chat syndromeQ93.4
• Crigler-Najjar disease or syndromeE80.5
• Crime, victim ofZ65.4
• Crimean hemorrhagic feverA98.0
• CriminalismF60.2
• Crisis
• Crocq's disease (acrocyanosis)I73.89
• Crohn's disease
• Crooked septum, nasalJ34.2
• Cross syndromeE70.328
• Crossbite (anterior) (posterior)M26.24
• Cross-eye
• Croup, croupous (catarrhal) (infectious) (inflammatory) (nondiphtheritic)J05.0
• Crouzon's diseaseQ75.1
• Crowding, tooth, teeth, fully eruptedM26.31
• CRST syndromeM34.1
• Cruchet's diseaseA85.8
• Cruelty in children
• Crural ulcer
• Crush, crushed, crushingT14.8
• Crusta lacteaL21.0
• CrustsR23.4
• Crutch paralysis
• Cruveilhier-Baumgarten cirrhosis, disease or syndromeK74.69
• Cruveilhier's atrophy or diseaseG12.8
• Crying (constant) (continuous) (excessive)
• CryofibrinogenemiaD89.2
• Cryoglobulinemia (essential) (idiopathic) (mixed) (primary) (purpura) (secondary) (vasculitis)D89.1
• Cryptitis (anal) (rectal)K62.89
• Cryptococcosis, cryptococcus (infection) (neoformans)B45.9
• Cryptopapillitis (anus)K62.89
• CryptophthalmosQ11.2
• Cryptorchid, cryptorchism, cryptorchidismQ53.9
• CryptosporidiosisA07.2
• CryptostromosisJ67.6
• CrystalluriaR82.998
• Cubitus
• Cultural deprivation or shockZ60.3
• Curling esophagusK22.4
• Curling's ulcer
• Curschmann (-Batten) (-Steinert) disease or syndromeG71.11
• Curse, Ondine's
• Curvature
• Cushingoid due to steroid therapyE24.2
• Cushing's
• Cusp, Carabelli - omit code
• Cut (external)
• Cutaneous
• Cutis
• CyanosisR23.0
• Cyanotic heart diseaseI24.9
• Cycle
• CyclencephalyQ04.9
• Cyclical vomiting, in migraine,G43.A0
• CyclitisH20.9
• Cycloid personalityF34.0
• CyclophoriaH50.54
• Cyclopia, cyclopsQ87.0
• CyclopismQ87.0
• CyclosporiasisA07.4
• CyclothymiaF34.0
• Cyclothymic personalityF34.0
• CyclotropiaH50.41-
• Cylindroma
• CylindruriaR82.998
• Cynanche
• CynophobiaF40.218
• CynorexiaR63.2
• Cyphosis
• Cyprus fever
• Cyst (colloid) (mucous) (simple) (retention)
• Cystadenocarcinoma
• Cystadenofibroma
• Cystadenoma
• Cystathionine synthase deficiencyE72.11
• CystathioninemiaE72.19
• CystathioninuriaE72.19
• Cystic
• Cysticercosis, cysticerciasisB69.9
• Cysticercus cellulose infestation
• Cystinosis (malignant)E72.04
• CystinuriaE72.01
• Cystitis (exudative) (hemorrhagic) (septic) (suppurative)N30.90
• Cystocele (-urethrocele)
• CystolithiasisN21.0
• Cystoma
• CystoplegiaN31.2
• CystoptosisN32.89
• Cystopyelitis
• CystorrhagiaN32.89
• Cystosarcoma phyllodesD48.6-
• Cystostomy
• Cystourethritis
• Cystourethrocele
• Cytomegalic inclusion disease
• Cytomegalovirus infectionB25.9
• Cytomycosis (reticuloendothelial)B39.4
• CytopeniaD75.9
• Czerny's disease (periodic hydrarthrosis of the knee)

ICD-10-CM Index to Diseases and Injuries maintained by CDC/NCHS (public domain). Always confirm codes in the Tabular List.