Skip to content- Cachexia R64
- CADASIL I67.850 (cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy)
- Café, au lait spots L81.3
- Caffeine-induced
- Caffey’s syndrome Q78.8
- Caisson disease T70.3
- Cake kidney Q63.1
- Caked breast O92.79 (puerperal, postpartum)
- Calabar swelling B74.3
- Calcaneal spur – see Spur, bone, calcaneal
- Calcaneo-apophysitis M92.6
- Calcareous – see condition
- Calcicosis J62.8
- Calciferol (vitamin D) E55.9
- Calcification
- Calcified – see Calcification
- Calcinosis (interstitial) (tumoral) (universalis) E83.59
- Calciphylaxis E83.59 – see also Calcification, by site
- Calcium
- Calciuria R82.994
- Calculi – see Calculus
- Calculosis, intrahepatic – see Calculus, bile duct
- Calculus, calculi, calculous
- Calicectasis N28.89
- Caliectasis N28.89
- California
- Caligo cornea – see Opacity, cornea, central
- Callositas, callosity L84 (infected)
- Callus (infected) L84
- CALME N90.61 (childhood asymmetric labium majus enlargement)
- Calorie deficiency or malnutrition E46 – see also Malnutrition
- Calpainopathy (primary) G71.032
- Calvé’s disease – see Osteochondrosis, juvenile, spine
- Calvé-Perthes disease – see Legg-Calvé-Perthes disease
- Calvities – see Alopecia, androgenic
- Cameroon fever – see Malaria
- Camptocormia F44.4 (hysterical)
- Camurati-Engelmann syndrome Q78.3
- Canal – see also condition
- Canaliculitis (lacrimal) (acute) (subacute) H04.33-
- Canavan disease E75.28
- Canceled procedure (surgical) Z53.9
- Cancer F45.29 (o)
- Cancer – see also Neoplasm, by site, malignant
- Cancerous – see Neoplasm, malignant, by site
- Cancrum oris A69.0
- Candidiasis, candidal B37.9
- Candidid L30.2
- Candidosis – see Candidiasis
- Candiru infection or infestation B88.8
- Canities (premature) L67.1
- Canker (mouth) (sore) K12.0
- Cannabinosis J66.2
- Cannabis induced
- Canton fever A75.9
- Cantrell’s syndrome Q87.89
- Capillariasis (intestinal) B81.1
- Capillary – see condition
- Caplan’s syndrome – see Rheumatoid, lung
- Capsule – see condition
- Capsulitis (joint) – see also Enthesopathy
- Caput
- Car sickness T75.3
- Carapata A68.0 (disease)
- Carate – see Pinta
- Carbon lung J60
- Carbuncle L02.93
- Carbunculus – see Carbuncle
- Carcinoid (tumor) – see Tumor, carcinoid
- Carcinoidosis E34.00
- Carcinoma (malignant) – see also Neoplasm, by site, malignant
- Carcinoma-in-situ – see also Neoplasm, in situ, by site
- Carcinomaphobia F45.29
- Carcinomatosis C80.0
- Carcinosarcoma – see Neoplasm, malignant, by site
- Cardia, cardial – see condition
- Cardiac – see also condition
- Cardialgia – see Pain, precordial
- Cardiectasis – see Hypertrophy, cardiac
- Cardiochalasia K21.9
- Cardiomalacia I51.5
- Cardiomegalia glycogenica diffusa E74.02
- Cardiomegaly – see also Hypertrophy, cardiac
- Cardiomyoliposis I51.5
- Cardiomyopathy (familial) (idiopathic) I42.9
- Cardionephritis – see Hypertension, cardiorenal
- Cardionephropathy – see Hypertension, cardiorenal
- Cardionephrosis – see Hypertension, cardiorenal
- Cardiopathia nigra I27.0
- Cardiopathy I51.9 – see also Disease, heart
- Cardiopericarditis – see Pericarditis
- Cardiophobia F45.29
- Cardiorenal – see condition
- Cardiorrhexis – see Infarct, myocardium
- Cardiosclerosis – see Disease, heart, ischemic, atherosclerotic
- Cardiosis – see Disease, heart
- Cardiospasm (esophagus) (reflex) (stomach) K22.0
- Cardiostenosis – see Disease, heart
- Cardiosymphysis I31.0
- Cardiovascular – see condition
- Carditis (acute) (bacterial) (chronic) (subacute) I51.89
- Care (of) (for) (following)
- Caries
- Carious teeth – see Caries, dental
- Carneous mole O02.0
- Carnitine insufficiency E71.40
- Carotenemia E67.1 (dietary)
- Carotenosis E67.1 (cutis) (skin)
- Carotid body or sinus syndrome G90.01
- Carotidynia G90.01
- Carpal tunnel syndrome – see Syndrome, carpal tunnel
- Carpenter’s syndrome Q87.0
- Carpopedal spasm – see Tetany
- Carr-Barr-Plunkett syndrome Q97.1
- Carrier (suspected)
- Carrion’s disease A44.0
- Carter’s relapsing fever A68.1 (Asiatic)
- Cartilage – see condition
- Caruncle (inflamed)
- Cascade stomach K31.2
- Caseation lymphatic gland A18.2 (tuberculous)
- Cassidy E34.09 (-Scholte) syndrome (malignant carcinoid)
- Castellani’s disease A69.8
- Castration, traumatic, male S38.231
- Casts in urine R82.998
- Cat
- Cat-scratch – see also Abrasion
- Catabolism, senile R54
- Catalepsy (hysterical) F44.2
- Cataplexy (idiopathic) – see – Narcolepsy
- Cataract (cortical) (immature) (incipient) H26.9
- Cataracta – see also Cataract
- Catarrh, catarrhal (acute) (febrile) (infectious) (inflammation) J00 – see also condition
- Catatonia F20.2 (schizophrenic)
- Catatonic
- Cauda equina – see condition
- Cauliflower ear M95.1-
- Causalgia (upper limb) G56.4-
- Cause
- Caustic burn – see Corrosion, by site
- Cavare’s disease G72.3 (familial periodic paralysis)
- Cave-in, injury
- Cavernitis N48.29 (penis)
- Cavernositis N48.29
- Cavernous – see condition
- Cavitation of lung – see also Tuberculosis, pulmonary
- Cavities, dental – see Caries, dental
- Cavity
- Cavovarus foot, congenital Q66.1-
- Cavus foot (congenital) Q66.7-
- Cazenave’s disease L10.2
- CCCA L66.81 (central centrifugal cicatricial alopecia)
- CDKL5 G40.42 (Cyclin-Dependent Kinase-Like 5 Deficiency Disorder)
- Cecitis K52.9
- Cecoureterocele Q62.32
- Cecum – see condition
- Celiac
- Cell(s) – see also condition
- Cellulitis (diffuse) (phlegmonous) (septic) (suppurative) L03.90
- Cementoblastoma, benign – see Cyst, calcifying odontogenic
- Cementoma – see Cyst, calcifying odontogenic
- Cementoperiostitis – see Periodontitis
- Cementosis K03.4
- Central auditory processing disorder H93.25
- Central pain syndrome G89.0
- Cephalematocele, cephal (o)
- Cephalematoma, cephalhematoma (calcified)
- Cephalgia, cephalalgia – see also Headache
- Cephalic – see condition
- Cephalitis – see Encephalitis
- Cephalocele – see Encephalocele
- Cephalomenia N94.89
- Cephalopelvic – see condition
- Cerclage (with cervical incompetence) – see Incompetence, cervix, in pregnancy
- Cerebellitis – see Encephalitis
- Cerebellum, cerebellar – see condition
- Cerebral – see condition
- Cerebritis – see Encephalitis
- Cerebro-hepato-renal syndrome Q87.89
- Cerebromalacia – see Softening, brain
- Cerebroside lipidosis E75.22
- Cerebrospasticity G80.1 (congenital)
- Cerebrospinal – see condition
- Cerebrum – see condition
- Ceroid-lipofuscinosis, neuronal E75.4
- Cerumen H61.2- (accumulation) (impacted)
- Cervical – see also condition
- Cervicalgia M54.2
- Cervicitis (acute) (atrophic) (chronic) (nonvenereal) (senile) (subacute) (with ulceration) N72
- Cervicocolpitis N72 (emphysematosa) (see also Cervicitis)
- Cervix – see condition
- Cesarean delivery, previous, affecting management of pregnancy O34.219
- Céstan G46.3 (-Chenais)
- Céstan-Raymond syndrome I65.8
- Cestode infestation B71.9
- Cestodiasis B71.9
- Chabert’s disease A22.9
- Chacaleh E53.8
- Chafing L30.4
- Chagas’ (-Mazza) disease (chronic) B57.2
- Chagres fever B50.9
- Chairridden Z74.09
- Chalasia K21.9 (cardiac sphincter)
- Chalazion H00.19
- Chalcosis – see also Disorder, globe, degenerative, chalcosis
- Chalicosis J62.8 (pulmonum)
- Chancre (any genital site) (hard) (hunterian) (mixed) (primary) (seronegative) (seropositive) (syphilitic) A51.0
- Chancroid A57 (anus) (genital) (penis) (perineum) (rectum) (urethra) (vulva)
- Chandler’s disease (osteochondritis dissecans, hip) – see Osteochondritis, dissecans, hip
- Change(s) (in) (of) – see also Removal
- Changing sleep-work schedule, affecting sleep G47.26
- Changuinola fever A93.1
- Chapping skin T69.8
- Charcot’s
- Charcot-Marie-Tooth disease, paralysis or syndrome G60.0
- CHARGE association Q89.8
- Charley-horse (quadriceps) M62.831
- Charlouis’ disease – see Yaws
- Cheadle’s disease E54
- Check-up – see Examination
- Checking (of)
- Chédiak-Higashi E70.330 (-Steinbrinck) syndrome (congenital gigantism of peroxidase granules)
- Cheek – see condition
- Cheese itch B88.0
- Cheese-washer’s lung J67.8
- Cheese-worker’s lung J67.8
- Cheilitis (acute) (angular) (catarrhal) (chronic) (exfoliative) (gangrenous) (glandular) (infectional) (suppurative) (ulcerative) (vesicular) K13.0
- Cheilodynia K13.0
- Cheiloschisis – see Cleft, lip
- Cheilosis (angular) K13.0
- Cheiromegaly M79.89
- Cheiropompholyx L30.1
- Cheloid – see Keloid
- Chemical burn – see Corrosion, by site
- Chemodectoma – see Paraganglioma, nonchromaffin
- Chemosis, conjunctiva – see Edema, conjunctiva
- Chemotherapy (session) (for)
- Cherubism M27.8
- Chest – see condition
- Cheyne-Stokes breathing R06.3 (respiration)
- Chiari’s
- Chicago disease B40.9
- Chickenpox – see Varicella
- Chiclero ulcer or sore B55.1
- Chigger B88.0 (infestation)
- Chignon (disease) B36.8
- Chilaiditi’s syndrome Q43.3 (subphrenic displacement, colon)
- Chilblain T69.1(s) (lupus)
- Child – see also Problem, child
- Childbirth – see Delivery
- Childhood
- Chill(s) R68.83
- Chilomastigiasis A07.8
- Chimera 46,XX/46,XY Q99.0
- Chin – see condition
- Chinese dysentery A03.9
- Chionophobia F40.228
- Chitral fever A93.1
- Chlamydia, chlamydial A74.9
- Chlamydiosis – see Chlamydia
- Chloasma (skin) (idiopathic) (symptomatic) L81.1
- Chloroma C92.3-
- Chlorosis D50.9
- Chlorotic anemia D50.8
- Chocolate cyst N80.10- (ovary)
- Choked
- Chokes T70.3 (resulting from bends)
- Choking sensation R09.89
- Cholangiectasis K83.8
- Cholangiocarcinoma
- Cholangiohepatitis K83.8
- Cholangiohepatoma C22.0
- Cholangiolitis (acute) (chronic) (extrahepatic) (gangrenous) (intrahepatic) K83.09
- Cholangioma D13.4
- Cholangitis (ascending) (recurrent) (secondary) (stenosing) (suppurative) K83.09
- Cholecystectasia K82.8
- Cholecystitis K81.9
- Cholecystolithiasis – see Calculus, gallbladder
- Choledochitis K83.09 (suppurative)
- Choledocholith – see Calculus, bile duct
- Choledocholithiasis (common duct) (hepatic duct) – see Calculus, bile duct
- Cholelithiasis (cystic duct) (gallbladder) (impacted) (multiple) – see Calculus, gallbladder
- Cholemia – see also Jaundice
- Choleperitoneum, choleperitonitis K65.3
- Cholera (Asiatic) (epidemic) (malignant) A00.9
- Cholerine – see Cholera
- Cholestasis NEC K83.1
- Cholesteatoma (ear) (middle) (with reaction) H71.9-
- Cholesteatosis, diffuse H71.3-
- Cholesteremia E78.00
- Cholesterin in vitreous – see Deposit, crystalline
- Cholesterol
- Cholesterolemia (essential) (pure) E78.00
- Cholesterolosis, cholesterosis (gallbladder) K82.4
- Cholocolic fistula K82.3
- Choluria R82.2
- Chondritis M94.8X9
- Chondro-osteodysplasia E76.219 (Morquio-Brailsford type)
- Chondro-osteodystrophy E76.29
- Chondro-osteoma – see Neoplasm, bone, benign
- Chondroblastoma – see also Neoplasm, bone, benign
- Chondrocalcinosis M11.20
- Chondrodermatitis nodularis helicis or anthelicis – see Perichondritis, ear
- Chondrodysplasia Q78.9
- Chondrodystrophy, chondrodystrophia (familial) (fetalis) (hypoplastic) Q78.9
- Chondroectodermal dysplasia Q77.6
- Chondrogenesis imperfecta Q77.4
- Chondrolysis M94.35-
- Chondroma – see also Neoplasm, cartilage, benign
- Chondromalacia (systemic) M94.20
- Chondromatosis – see also Neoplasm, cartilage, uncertain behavior
- Chondromyxosarcoma – see Neoplasm, cartilage, malignant
- Chondropathia tuberosa M94.0
- Chondrosarcoma – see Neoplasm, cartilage, malignant
- Chordee (nonvenereal) N48.89
- Chorditis J38.2 (fibrinous) (nodosa) (tuberosa)
- Chordoma – see Neoplasm, vertebral (column), malignant
- Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic) G25.5
- Choreoathetosis G25.5 (paroxysmal)
- Chorioadenoma D39.2 (destruens)
- Chorioamnionitis O41.12-
- Chorioangioma D26.7
- Choriocarcinoma – see Neoplasm, malignant, by site
- Chorioencephalitis A87.2 (acute) (lymphocytic) (serous)
- Chorioepithelioma – see Choriocarcinoma
- Choriomeningitis A87.2 (acute) (lymphocytic) (serous)
- Chorionepithelioma – see Choriocarcinoma
- Chorioretinitis – see also Inflammation, chorioretinal
- Chorioretinopathy, central serous H35.71-
- Choroid – see condition
- Choroideremia H31.21
- Choroiditis – see Chorioretinitis
- Choroidopathy – see Disorder, choroid
- Choroidoretinitis – see Chorioretinitis
- Choroidoretinopathy, central serous – see Chorioretinopathy, central serous
- Christian-Weber disease M35.6
- Christmas disease D67
- Chromaffinoma – see also Neoplasm, benign, by site
- Chromatopsia – see Deficiency, color vision
- Chromhidrosis, chromidrosis L75.1
- Chromoblastomycosis – see Chromomycosis
- Chromoconversion R82.91
- Chromomycosis B43.9
- Chromophytosis B36.0
- Chromosome – see condition by chromosome involved
- Chromotrichomycosis B36.8
- Chronic – see condition
- Churg-Strauss syndrome M30.1
- Chyle cyst, mesentery I89.8
- Chylocele (nonfilarial) I89.8
- Chylomicronemia E78.3 (fasting) (with hyperprebetalipoproteinemia)
- Chylopericardium I31.39
- Chylothorax (nonfilarial) J94.0
- Chylous – see condition
- Chyluria (nonfilarial) R82.0
- Cicatricial (deformity) – see Cicatrix
- Cicatrix (adherent) (contracted) (painful) (vicious) L90.5 – see also Scar
- CIDP G61.81 (chronic inflammatory demyelinating polyneuropathy )
- CIN – see Neoplasia, intraepithelial, cervix
- CINCA M04.2 (chronic infantile neurological, cutaneous and articular syndrome)
- Cinchonism – see Deafness, ototoxic
- Circle of Willis – see condition
- Circular – see condition
- Circulating anticoagulants D68.318 – see also – Disorder, hemorrhagic
- Circulation
- Circulatory system – see condition
- Circulus senilis (cornea) – see Degeneration, cornea, senile
- Circumcision Z41.2 (in absence of medical indication) (ritual) (routine)
- Circumscribed – see condition
- Circumvallate placenta O43.11-
- Cirrhosis, cirrhotic (hepatic) (liver) K74.60
- Cistern, subarachnoid R93.0
- Citrullinemia E72.23
- Citrullinuria E72.23
- Civatte’s disease or poikiloderma L57.3
- CLAD – see Dysfunction, chronic, lung allograft
- Clam digger’s itch B65.3
- Clammy skin R23.1
- Clap – see Gonorrhea
- Clark’s paralysis G80.9
- Clarke-Hadfield syndrome K86.89 (pancreatic infantilism)
- Clastothrix L67.8
- Claude Bernard-Horner syndrome G90.2
- Claude’s disease or syndrome G46.3
- Claudicatio venosa intermittens I87.8
- Claudication (intermittent) I73.9
- Claustrophobia F40.240
- Clavus L84 (infected)
- Clawfoot (congenital) Q66.89
- Clawhand (acquired) – see also Deformity, limb, clawhand
- Clawtoe (congenital) Q66.89
- Clay eating – see Pica
- Cleansing of artificial opening – see Attention to, artificial, opening
- Cleft (congenital) – see also Imperfect, closure
- Cleidocranial dysostosis Q74.0
- Cleptomania F63.2
- Clicking hip R29.4 (newborn)
- Climacteric (female) – see also Menopause
- Clinical research investigation Z00.6 (clinical trial) (control subject) (normal comparison) (participant)
- Clitoris – see condition
- Cloaca Q43.7 (persistent)
- Clonorchiasis, clonorchis infection B66.1 (liver)
- Clonus R25.8
- Closed bite M26.29
- Clostridium B96.7 (C.)
- Closure
- Clot (blood) – see also Embolism
- Clouded state R40.1
- Cloudy antrum, antra J32.0
- Clouston’s Q82.4 (hidrotic)
- Cloverleaf skull Q75.051
- Clubbed nail pachydermoperiostosis M89.40
- Clubbing of finger R68.3(s) (nails)
- Clubfinger R68.3
- Clubfoot (congenital) Q66.89
- Clubhand (congenital) (radial) Q71.4-
- Clubnail R68.3
- Clump, kidney Q63.1
- Clumsiness, clumsy child syndrome F82
- Cluttering F80.81
- Clutton’s joints A50.51
- Co-sleeping, child-caregiver Z72.823
- Coagulation, intravascular (diffuse) (disseminated) – see also Defibrination syndrome
- Coagulopathy – see also Defect, coagulation
- Coalition
- Coalminer’s
- Coalworker’s lung or pneumoconiosis J60
- Coarctation
- Coated tongue K14.3
- Coats’ disease (exudative retinopathy) – see Retinopathy, exudative
- Cocaine-induced
- Cocainism – see Disorder, cocaine use
- Coccidioidomycosis B38.9
- Coccidioidosis – see Coccidioidomycosis
- Coccidiosis A07.3 (intestinal)
- Coccydynia, coccygodynia M53.3
- Coccyx – see condition
- Cochin-China diarrhea K90.1
- Cock’s peculiar tumor L72.3
- Cockayne’s syndrome Q87.19
- Cocked up toe – see Deformity, toe, specified NEC
- Codman’s tumor – see Neoplasm, bone, benign
- Coenurosis B71.8
- Coffee-worker’s lung J67.8
- Cogan’s syndrome H16.32-
- Coitus, painful (female) N94.10
- Cold J00
- Coldsore B00.1
- Colibacillosis A49.8
- Colic (bilious) (infantile) (intestinal) (recurrent) (spasmodic) R10.83
- Colicystitis – see Cystitis
- Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) K52.9 – see also Enteritis
- Collagenosis, collagen disease (nonvascular) (vascular) M35.9
- Collapse R55
- Collateral – see also condition
- Colles’ fracture S52.53-
- Collet G52.7 (-Sicard)
- Collier’s asthma or lung J60
- Collodion baby Q80.2
- Colloid nodule E04.1 (of thyroid) (cystic)
- Coloboma (iris) Q13.0
- Coloenteritis – see Enteritis
- Colon – see condition
- Colonization
- Coloptosis K63.4
- Color blindness – see Deficiency, color vision
- Colostomy
- Colpitis (acute) – see Vaginitis
- Colpocele N81.5
- Colpocystitis – see Vaginitis
- Colpospasm N94.2
- Column, spinal, vertebral – see condition
- Coma R40.20
- Comatose – see Coma
- Combat fatigue F43.0
- Combined – see condition
- Comedo, comedones L70.0 (giant)
- Comedocarcinoma – see also Neoplasm, breast, malignant
- Comedomastitis – see Ectasia, mammary duct
- Comminuted fracture – code as Fracture, closed
- Common
- Commotio, commotion (current)
- Communication
- Compartment syndrome (deep) (posterior) (traumatic) T79.A0
- Compensation
- Complaint – see also Disease
- Complete – see condition
- Complex
- Complication(s) (from) (of)
- Compressed air disease T70.3
- Compression
- Compulsion, compulsive
- Concato’s disease (pericardial polyserositis) A19.9
- Concavity chest wall M95.4
- Concealed penis Q55.64
- Concern Z63.6 (normal)
- Concrescence K00.2 (teeth)
- Concretio cordis I31.1
- Concretion – see also Calculus
- Concussion (brain) (cerebral) (current) S06.0X9
- Condition – see also Disease
- Conditions arising in the perinatal period – see Newborn, affected by
- Conduct disorder – see Disorder, conduct
- Condyloma A63.0
- Conflagration – see also Burn
- Conflict (with) – see also Discord
- Confluent – see condition
- Confusion, confused R41.0
- Confusional arousals G47.51
- Congelation T69.9
- Congenital – see also condition
- Congestion, congestive
- Congestive – see Congestion
- Conical
- Conjoined twins Q89.4
- Conjugal maladjustment Z63.0
- Conjunctiva – see condition
- Conjunctivitis (staphylococcal) (streptococcal) H10.9
- Conjunctivochalasis H11.82-
- Conn’s syndrome E26.01
- Connective tissue – see condition
- Conradi Q77.3 (-Hunermann)
- Consanguinity Z84.3
- Conscious simulation Z76.5 (of illness)
- Consecutive – see condition
- Consolidation lung (base) – see Pneumonia, lobar
- Constipation (atonic) (neurogenic) (simple) (spastic) K59.00
- Constitutional – see also condition
- Constitutionally substandard F60.7
- Constriction – see also Stricture
- Constrictive – see condition
- Consultation
- Consumption – see Tuberculosis
- Contact (with) – see also Exposure (to)
- Contamination, food – see Intoxication, foodborne
- Contraception, contraceptive
- Contraction(s)
- Contusion (skin surface intact) T14.8
- Conus (congenital) (any type) Q14.8
- Conversion hysteria, neurosis or reaction F44.9
- Converter, tuberculosis R76.11 (test reaction)
- Conviction (legal) Z65.0
- Convulsions (idiopathic) R56.9 – see also Seizure(s)
- Convulsive – see also Convulsions
- Cooley’s anemia D56.1
- Coolie itch B76.9
- Cooper’s
- Copra itch B88.0
- Coprophagy F50.89
- Coprophobia F40.298
- Coproporphyria, hereditary E80.29
- Cor
- Corbus’ disease N48.1 (gangrenous balanitis)
- Cord – see also condition
- Cordis ectopia Q24.8
- Corditis N49.1 (spermatic)
- Corectopia Q13.2
- Cori’s disease E74.03 (glycogen storage)
- Corkhandler’s disease or lung J67.3
- Corkscrew esophagus K22.4
- Corkworker’s disease or lung J67.3
- Corn L84 (infected)
- Cornea – see also condition
- Cornelia de Lange syndrome Q87.19
- Cornu cutaneum L85.8
- Cornual gestation or pregnancy O00.80
- Coronary (artery) – see condition
- Coronavirus (infection)
- Corpora – see also condition
- Corpulence – see Obesity
- Corpus – see condition
- Corrected transposition Q20.5
- Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal) T30.4
- Corrosive burn – see Corrosion
- Corsican fever – see Malaria
- Cortical – see condition
- Cortico-adrenal – see condition
- Coryza (acute) J00
- Costen’s syndrome or complex M26.69
- Costiveness – see Constipation
- Costochondritis M94.0
- Cot death R99
- Cotard’s syndrome F22
- Cotia virus B08.8
- Cotton wool spots H35.81 (retinal)
- Cotugno disease – see Sciatica
- Cough (affected) (epidemic) (nervous) R05.9
- Counseling (for) Z71.9
- Coupled rhythm R00.8
- Couvelaire syndrome or uterus O45.8X- (complicating delivery)
- COVID-19 U07.1
- Cowper’s gland – see condition
- Cowperitis – see Urethritis
- Cowpox B08.010
- Coxa
- Coxalgia, coxalgic (nontuberculous) – see also Pain, joint, hip
- Coxitis – see Monoarthritis, hip
- Coxsackie (virus) (infection) B34.1
- Crabs, meaning pubic lice B85.3
- Crack baby P04.41
- Cracked nipple N64.0
- Cracked tooth K03.81
- Cradle cap L21.0
- Craft neurosis F48.8
- Cramp(s) R25.2
- Cranial – see condition
- Craniocleidodysostosis Q74.0
- Craniofenestria Q75.8 (skull)
- Craniolacunia Q75.8 (skull)
- Craniopagus Q89.4
- Craniopathy, metabolic M85.2
- Craniopharyngeal – see condition
- Craniopharyngioma D44.4
- Craniorachischisis Q00.1 (totalis)
- Cranioschisis Q75.8
- Craniostenosis Q75.009
- Craniosynostosis Q75.009
- Craniotabes (cause unknown) M83.8
- Cranium – see condition
- Craw-craw – see Onchocerciasis
- Creaking joint – see Derangement, joint, specified type NEC
- Creeping
- Crenated tongue K14.8
- Creotoxism A05.9
- Crepitus
- Crescent or conus choroid, congenital Q14.3
- CREST syndrome M34.1
- Cretin, cretinism (congenital) (endemic) (nongoitrous) (sporadic) E00.9
- Creutzfeldt-Jakob disease or syndrome (with dementia) A81.00
- Cri-du-chat syndrome Q93.4
- Crib death R99
- Cribriform hymen Q52.3
- Crigler-Najjar disease or syndrome E80.5
- Crime, victim of Z65.4
- Crimean hemorrhagic fever A98.0
- Criminalism F60.2
- Crisis
- Crocq’s disease I73.89 (acrocyanosis)
- Crohn’s disease – see Enteritis, regional
- Crooked septum, nasal J34.2
- Cross syndrome E70.328
- Cross-eye – see Strabismus, convergent concomitant
- Crossbite M26.24 (anterior) (posterior)
- Croup, croupous (catarrhal) (infectious) (inflammatory) (nondiphtheritic) J05.0
- Crouzon’s disease Q75.1
- Crowding, tooth, teeth, fully erupted M26.31
- CRST syndrome M34.1
- Cruchet’s disease A85.8
- Cruelty in children – see also Disorder, conduct
- Crural ulcer – see Ulcer, lower limb
- Crush, crushed, crushing T14.8
- Crusta lactea L21.0
- Crusts R23.4
- Crutch paralysis – see Injury, brachial plexus
- Cruveilhier’s atrophy or disease G12.8
- Cruveilhier-Baumgarten cirrhosis, disease or syndrome K74.69
- Crying (constant) (continuous) (excessive)
- Cryofibrinogenemia D89.2
- Cryoglobulinemia (essential) (idiopathic) (mixed) (primary) (purpura) (secondary) (vasculitis) D89.1
- Cryptitis K62.89 (anal) (rectal)
- Cryptococcosis, cryptococcus (infection) (neoformans) B45.9
- Cryptopapillitis K62.89 (anus)
- Cryptophthalmos Q11.2
- Cryptorchid, cryptorchism, cryptorchidism Q53.9
- Cryptosporidiosis A07.2
- Cryptostromosis J67.6
- Crystalluria R82.998
- Cubitus
- Cultural deprivation or shock Z60.3
- Curling esophagus K22.4
- Curling’s ulcer – see Ulcer, peptic, acute
- Curschmann G71.11 (-Batten) (-Steinert)
- Curse, Ondine’s – see Apnea, sleep
- Curvature
- Cushing’s
- Cushingoid due to steroid therapy E24.2
- Cusp, Carabelli – omit code
- Cut (external) – see also Laceration
- Cutaneous – see also condition
- Cutis – see also condition
- Cyanosis R23.0
- Cyanotic heart disease I24.9
- Cycle
- Cyclencephaly Q04.9
- Cyclical vomiting, in migraine, G43.A0 – see also Vomiting, cyclical
- Cyclitis H20.9 – see also Iridocyclitis
- Cycloid personality F34.0
- Cyclophoria H50.54
- Cyclopia, cyclops Q87.0
- Cyclopism Q87.0
- Cyclosporiasis A07.4
- Cyclothymia F34.0
- Cyclothymic personality F34.0
- Cyclotropia H50.41-
- Cylindroma – see also Neoplasm, malignant, by site
- Cylindruria R82.998
- Cynanche
- Cynophobia F40.218
- Cynorexia R63.2
- Cyphosis – see Kyphosis
- Cyprus fever – see Brucellosis
- Cyst (colloid) (mucous) (simple) (retention)
- Cystadenocarcinoma – see Neoplasm, malignant, by site
- Cystadenofibroma
- Cystadenoma – see also Neoplasm, benign, by site
- Cystathionine synthase deficiency E72.11
- Cystathioninemia E72.19
- Cystathioninuria E72.19
- Cystic – see also condition
- Cysticercosis, cysticerciasis B69.9
- Cysticercus cellulose infestation – see Cysticercosis
- Cystinosis E72.04 (malignant)
- Cystinuria E72.01
- Cystitis (exudative) (hemorrhagic) (septic) (suppurative) N30.90
- Cystocele (-urethrocele)
- Cystolithiasis N21.0
- Cystoma – see also Neoplasm, benign, by site
- Cystoplegia N31.2
- Cystoptosis N32.89
- Cystopyelitis – see Pyelonephritis
- Cystorrhagia N32.89
- Cystosarcoma phyllodes D48.6-
- Cystostomy
- Cystourethritis – see Urethritis
- Cystourethrocele – see also Cystocele
- Cytomegalic inclusion disease
- Cytomegalovirus infection B25.9
- Cytomycosis B39.4 (reticuloendothelial)
- Cytopenia D75.9
- Czerny’s disease (periodic hydrarthrosis of the knee) – see Effusion, joint, knee
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