| Term Title |
ICD-10 Code |
Term Notes |
| Cachexia | R64 | |
| CADASIL (cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy) | I67.850 | |
| Café, au lait spots | L81.3 | |
| Caffeine-induced | | |
| Caffey's syndrome | Q78.8 | |
| Caisson disease | T70.3 | |
| Cake kidney | Q63.1 | |
| Caked breast (puerperal, postpartum) | O92.79 | |
| Calabar swelling | B74.3 | |
| Calcaneal spur | | See: Spur, bone, calcaneal; |
| Calcaneo-apophysitis | M92.8 | |
| Calcareous | | Condition |
| Calcicosis | J62.8 | |
| Calciferol (vitamin D) deficiency | E55.9 | |
| Calcification | | |
| Calcified | | Calcification |
| Calcinosis (interstitial) (tumoral) (universalis) | E83.59 | |
| Calciphylaxis | E83.59 | Calcification |
| 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 (infected) | L84 | |
| Callus (infected) | L84 | |
| CALME (childhood asymmetric labium majus enlargement) | N90.61 | |
| Calorie deficiency or malnutrition | E46 | Malnutrition |
| Calvé-Perthes disease | | See: Legg-Calvé-Perthes disease; |
| Calvé's disease | | See: Osteochondrosis, juvenile, spine; |
| Calvities | | See: Alopecia, androgenic; |
| Cameroon fever | | See: Malaria; |
| Camptocormia (hysterical) | F44.4 | |
| Camurati-Engelmann syndrome | Q78.3 | |
| Canal | | Condition |
| Canaliculitis (lacrimal) (acute) (subacute) | H04.33 | |
| Canavan's disease | E75.29 | |
| Canceled procedure (surgical) | Z53.9 | |
| Cancer | | See Also: Neoplasm, by site, malignant; |
| Cancer (o)phobia | F45.29 | |
| 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 | | Condition |
| Caplan's syndrome | | See: Rheumatoid, lung; |
| Capsule | | Condition |
| Capsulitis (joint) | | See Also: Enthesopathy; |
| Caput | | |
| Car sickness | T75.3 | |
| Carapata (disease) | A68.0 | |
| Carate | | Pinta |
| Carbon lung | J60 | |
| Carbuncle | L02.93 | |
| Carbunculus | | Carbuncle |
| Carcinoid (tumor) | | See: Tumor, carcinoid; |
| Carcinoidosis | E34.0 | |
| 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 | | Condition |
| Cardiac | | 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 | | 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 | | 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 (dietary) | E67.1 | |
| Carotenosis (cutis) (skin) | E67.1 | |
| 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) of | | |
| Carrion's disease | A44.0 | |
| Carter's relapsing fever (Asiatic) | A68.1 | |
| Cartilage | | Condition |
| Caruncle (inflamed) | | |
| Cascade stomach | K31.2 | |
| Caseation lymphatic gland (tuberculous) | A18.2 | |
| Cassidy (-Scholte) syndrome (malignant carcinoid) | E34.0 | |
| Castellani's disease | A69.8 | |
| Castration, traumatic, male | S38.231 | |
| Casts in urine | R82.998 | |
| Cat | | |
| Catabolism, senile | R54 | |
| Catalepsy (hysterical) | F44.2 | |
| Cataplexy (idiopathic) | | Narcolepsy |
| Cataract (cortical) (immature) (incipient) | H26.9 | |
| Cataracta | | See Also: Cataract; |
| Catarrh, catarrhal (acute) (febrile) (infectious) (inflammation) | J00 | Condition |
| Catatonia (schizophrenic) | F20.2 | |
| Catatonic | | |
| Cat-scratch | | Abrasion |
| Cauda equina | | Condition |
| Cauliflower ear | M95.1 | |
| Causalgia (upper limb) | G56.4 | |
| Cause | | |
| Caustic burn | | See: Corrosion, by site; |
| Cavare's disease (familial periodic paralysis) | G72.3 | |
| Cave-in, injury | | |
| Cavernitis (penis) | N48.29 | |
| Cavernositis | N48.29 | |
| Cavernous | | 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 | |
| Cecitis | K52.9 | |
| Cecoureterocele | Q62.32 | |
| Cecum | | Condition |
| Celiac | | |
| Cell (s), cellular | | 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)hematocele | | |
| Cephalematoma, cephalhematoma (calcified) | | |
| Cephalgia, cephalalgia | | Headache |
| Cephalic | | Condition |
| Cephalitis | | See: Encephalitis; |
| Cephalocele | | Encephalocele |
| Cephalomenia | N94.89 | |
| Cephalopelvic | | Condition |
| Cerclage (with cervical incompetence) in pregnancy | | See: Incompetence, cervix, in pregnancy; |
| Cerebellitis | | See: Encephalitis; |
| Cerebellum, cerebellar | | Condition |
| Cerebral | | Condition |
| Cerebritis | | See: Encephalitis; |
| Cerebro-hepato-renal syndrome | Q87.89 | |
| Cerebromalacia | | See: Softening, brain; |
| Cerebroside lipidosis | E75.22 | |
| Cerebrospasticity (congenital) | G80.1 | |
| Cerebrospinal | | Condition |
| Cerebrum | | Condition |
| Ceroid-lipofuscinosis, neuronal | E75.4 | |
| Cerumen (accumulation) (impacted) | H61.2 | |
| Cervical | | Condition |
| Cervicalgia | M54.2 | |
| Cervicitis (acute) (chronic) (nonvenereal) (senile (atrophic)) (subacute) (with ulceration) | N72 | |
| Cervicocolpitis (emphysematosa) (see also Cervicitis) | N72 | |
| Cervix | | Condition |
| Cesarean delivery, previous, affecting management of pregnancy | O34.219 | |
| Céstan (-Chenais) paralysis or syndrome | G46.3 | |
| 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 (cardiac sphincter) | K21.9 | |
| Chalazion | H00.19 | |
| Chalcosis | | See Also: Disorder, globe, degenerative, 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) | | 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-Marie-Tooth disease, paralysis or syndrome | G60.0 | |
| Charcot's | | |
| CHARGE association | Q89.8 | |
| Charley-horse (quadriceps) | M62.831 | |
| Charlouis' disease | | Yaws |
| Cheadle's disease | E54 | |
| Checking (of) | | |
| Check-up | | See: Examination; |
| Chédiak-Higashi (-Steinbrinck) syndrome (congenital gigantism of peroxidase granules) | E70.330 | |
| Cheek | | 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 | | Condition |
| Cheyne-Stokes breathing (respiration) | R06.3 | |
| Chiari's | | |
| Chicago disease | B40.9 | |
| Chickenpox | | Varicella |
| Chiclero ulcer or sore | B55.1 | |
| Chigger (infestation) | B88.0 | |
| Chignon (disease) | B36.8 | |
| Chilaiditi's syndrome (subphrenic displacement, colon) | Q43.3 | |
| Chilblain (s) (lupus) | T69.1 | |
| Child | | |
| Childbirth | | See: Delivery; |
| Childhood | | |
| Chill (s) | R68.83 | |
| Chilomastigiasis | A07.8 | |
| Chimera 46,XX/46,XY | Q99.0 | |
| Chin | | 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 (ovary) | N80.1 | |
| Choked | | |
| Chokes (resulting from bends) | T70.3 | |
| 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 (suppurative) | K83.09 | |
| 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 | |
| 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; |
| Chondro-osteodysplasia (Morquio-Brailsford type) | E76.219 | |
| Chondro-osteodystrophy | E76.29 | |
| Chondro-osteoma | | See: Neoplasm, bone, benign; |
| Chondropathia tuberosa | M94.0 | |
| Chondrosarcoma | | See: Neoplasm, cartilage, malignant; |
| Chordee (nonvenereal) | N48.89 | |
| Chorditis (fibrinous) (nodosa) (tuberosa) | J38.2 | |
| Chordoma | | See: Neoplasm, vertebral (column), malignant; |
| Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic) | G25.5 | |
| Choreoathetosis (paroxysmal) | G25.5 | |
| Chorioadenoma (destruens) | D39.2 | |
| Chorioamnionitis | O41.12 | |
| Chorioangioma | D26.7 | |
| Choriocarcinoma | | See: Neoplasm, malignant, by site; |
| Chorioencephalitis (acute) (lymphocytic) (serous) | A87.2 | |
| Chorioepithelioma | | Choriocarcinoma |
| Choriomeningitis (acute) (lymphocytic) (serous) | A87.2 | |
| Chorionepithelioma | | Choriocarcinoma |
| Chorioretinitis | | See Also: Inflammation, chorioretinal; |
| Chorioretinopathy, central serous | H35.71 | |
| Choroid | | Condition |
| Choroideremia | H31.21 | |
| Choroiditis | | Chorioretinitis |
| Choroidopathy | | See: Disorder, choroid; |
| Choroidoretinitis | | Chorioretinitis |
| Choroidoretinopathy, central serous | | 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 | | Chromomycosis |
| Chromoconversion | R82.91 | |
| Chromomycosis | B43.9 | |
| Chromophytosis | B36.0 | |
| Chromosome | | Condition |
| Chromotrichomycosis | B36.8 | |
| Chronic | | Condition |
| Churg-Strauss syndrome | M30.1 | |
| Chyle cyst, mesentery | I89.8 | |
| Chylocele (nonfilarial) | I89.8 | |
| Chylomicronemia (fasting) (with hyperprebetalipoproteinemia) | E78.3 | |
| Chylopericardium | I31.3 | |
| Chylothorax (nonfilarial) | I89.8 | |
| Chylous | | Condition |
| Chyluria (nonfilarial) | R82.0 | |
| Cicatricial (deformity) | | See: Cicatrix; |
| Cicatrix (adherent) (contracted) (painful) (vicious) | L90.5 | See Also: Scar; |
| CIDP (chronic inflammatory demyelinating polyneuropathy ) | G61.81 | |
| CIN | | See: Neoplasia, intraepithelial, cervix; |
| CINCA (chronic infantile neurological, cutaneous and articular syndrome) | M04.2 | |
| Cinchonism | | See: Deafness, ototoxic; |
| Circle of Willis | | Condition |
| Circular | | Condition |
| Circulating anticoagulants | D68.318 | See Also: - Disorder, hemorrhagic; |
| Circulation | | |
| Circulatory system | | Condition |
| Circulus senilis (cornea) | | See: Degeneration, cornea, senile; |
| Circumcision (in absence of medical indication) (ritual) (routine) | Z41.2 | |
| Circumscribed | | 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 | |
| Clam digger's itch | B65.3 | |
| Clammy skin | R23.1 | |
| Clap | | See: Gonorrhea; |
| Clarke-Hadfield syndrome (pancreatic infantilism) | K86.89 | |
| Clark's paralysis | G80.9 | |
| 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 (infected) | L84 | |
| Clawfoot (congenital) | Q66.89 | |
| Clawhand (acquired) | | See Also: Deformity, limb, clawhand; |
| Clawtoe (congenital) | Q66.89 | |
| Clay eating | | 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 (newborn) | R29.4 | |
| Climacteric (female) | | See Also: Menopause; |
| Clinical research investigation (clinical trial) (control subject) (normal comparison) (participant) | Z00.6 | |
| Clitoris | | Condition |
| Cloaca (persistent) | Q43.7 | |
| Clonorchiasis, clonorchis infection (liver) | B66.1 | |
| Clonus | R25.8 | |
| Closed bite | M26.29 | |
| Clostridium (C.) perfringens, as cause of disease classified elsewhere | B96.7 | |
| Closure | | |
| Clot (blood) | | See Also: Embolism; |
| Clouded state | R40.1 | |
| Cloudy antrum, antra | J32.0 | |
| Clouston's (hidrotic) ectodermal dysplasia | Q82.4 | |
| Clubbed nail pachydermoperiostosis | M89.40 | |
| Clubbing of finger (s) (nails) | R68.3 | |
| 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 | |
| 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 | | Coccidioidomycosis |
| Coccidiosis (intestinal) | A07.3 | |
| Coccydynia, coccygodynia | M53.3 | |
| Coccyx | | Condition |
| Cochin-China diarrhea | K90.1 | |
| Cockayne's syndrome | Q87.19 | |
| Cocked up toe | | See: Deformity, toe, specified NEC; |
| Cock's peculiar tumor | L72.3 | |
| 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 | | Condition |
| Colles' fracture | S52.53 | |
| Collet (-Sicard) syndrome | G52.7 | |
| Collier's asthma or lung | J60 | |
| Collodion baby | Q80.2 | |
| Colloid nodule (of thyroid) (cystic) | E04.1 | |
| Coloboma (iris) | Q13.0 | |
| Coloenteritis | | See: Enteritis; |
| Colon | | 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 | | Condition |
| Coma | R40.20 | |
| Comatose | | Coma |
| Combat fatigue | F43.0 | |
| Combined | | Condition |
| Comedo, comedones (giant) | L70.0 | |
| 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 | | 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 (normal) about sick person in family | Z63.6 | |
| Concrescence (teeth) | K00.2 | |
| Concretio cordis | I31.1 | |
| Concretion | | See Also: Calculus; |
| Concussion (brain) (cerebral) (current) | S06.0X9 | |
| Condition | | See: 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 | | Condition |
| Confusion, confused | R41.0 | |
| Confusional arousals | G47.51 | |
| Congelation | T69.9 | |
| Congenital | | Condition |
| Congestion, congestive | | |
| Congestive | | See: Congestion; |
| Conical | | |
| Conjoined twins | Q89.4 | |
| Conjugal maladjustment | Z63.0 | |
| Conjunctiva | | Condition |
| Conjunctivitis (staphylococcal) (streptococcal) NOS | H10.9 | |
| Conjunctivochalasis | H11.82 | |
| Connective tissue | | Condition |
| Conn's syndrome | E26.01 | |
| Conradi (-Hunermann) disease | Q77.3 | |
| Consanguinity | Z84.3 | |
| Conscious simulation (of illness) | Z76.5 | |
| Consecutive | | Condition |
| Consolidation lung (base) | | See: Pneumonia, lobar; |
| Constipation (atonic) (neurogenic) (simple) (spastic) | K59.00 | |
| Constitutional | | Condition |
| Constitutionally substandard | F60.7 | |
| Constriction | | Stricture |
| Constrictive | | Condition |
| Consultation | | |
| Consumption | | See: Tuberculosis; |
| Contact (with) | | Exposure (to) |
| Contamination, food | | See: Intoxication, foodborne; |
| Contraception, contraceptive | | |
| Contraction (s), contracture, contracted | | |
| Contusion (skin surface intact) | T14.8 | |
| Conus (congenital) (any type) | Q14.8 | |
| Conversion hysteria, neurosis or reaction | F44.9 | |
| Converter, tuberculosis (test reaction) | R76.11 | |
| Conviction (legal), anxiety concerning | 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 (gangrenous balanitis) | N48.1 | |
| Cord | | Condition |
| Cordis ectopia | Q24.8 | |
| Corditis (spermatic) | N49.1 | |
| Corectopia | Q13.2 | |
| Cori's disease (glycogen storage) | E74.03 | |
| Corkhandler's disease or lung | J67.3 | |
| Corkscrew esophagus | K22.4 | |
| Corkworker's disease or lung | J67.3 | |
| Corn (infected) | L84 | |
| Cornea | | Condition |
| Cornelia de Lange syndrome | Q87.19 | |
| Cornu cutaneum | L85.8 | |
| Cornual gestation or pregnancy | O00.80 | |
| Coronary (artery) | | Condition |
| Coronavirus, as cause of disease classified elsewhere | B97.29 | |
| Corpora | | Condition |
| Corpulence | | Obesity |
| Corpus | | Condition |
| Corrected transposition | Q20.5 | |
| Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal) | T30.4 | |
| Corrosive burn | | See: Corrosion; |
| Corsican fever | | See: Malaria; |
| Cortical | | Condition |
| Cortico-adrenal | | 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 (retinal) | H35.81 | |
| Cotungo's disease | | See: Sciatica; |
| Cough (affected) (chronic) (epidemic) (nervous) | R05 | |
| Counseling (for) | Z71.9 | |
| Coupled rhythm | R00.8 | |
| Couvelaire syndrome or uterus (complicating delivery) | O45.8X | |
| Cowperitis | | See: Urethritis; |
| Cowper's gland | | Condition |
| 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 | | Condition |
| Craniocleidodysostosis | Q74.0 | |
| Craniofenestria (skull) | Q75.8 | |
| Craniolacunia (skull) | Q75.8 | |
| Craniopagus | Q89.4 | |
| Craniopathy, metabolic | M85.2 | |
| Craniopharyngeal | | Condition |
| Craniopharyngioma | D44.4 | |
| Craniorachischisis (totalis) | Q00.1 | |
| Cranioschisis | Q75.8 | |
| Craniostenosis | Q75.0 | |
| Craniosynostosis | Q75.0 | |
| Craniotabes (cause unknown) | M83.8 | |
| Cranium | | 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 | |
| Crib death | R99 | |
| Cribriform hymen | Q52.3 | |
| Cri-du-chat syndrome | Q93.4 | |
| Crigler-Najjar disease or syndrome | E80.5 | |
| Crime, victim of | Z65.4 | |
| Crimean hemorrhagic fever | A98.0 | |
| Criminalism | F60.2 | |
| Crisis | | |
| Crocq's disease (acrocyanosis) | I73.89 | |
| Crohn's disease | | See: Enteritis, regional; |
| Crooked septum, nasal | J34.2 | |
| Cross syndrome | E70.328 | |
| Crossbite (anterior) (posterior) | M26.24 | |
| Cross-eye | | See: Strabismus, convergent concomitant; |
| 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-Baumgarten cirrhosis, disease or syndrome | K74.69 | |
| Cruveilhier's atrophy or disease | G12.8 | |
| Crying (constant) (continuous) (excessive) | | |
| Cryofibrinogenemia | D89.2 | |
| 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 | |
| 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 (-Batten) (-Steinert) disease or syndrome | G71.11 | |
| Curse, Ondine's | | See: Apnea, sleep; |
| Curvature | | |
| Cushingoid due to steroid therapy | E24.2 | |
| Cushing's | | |
| Cusp, Carabelli - omit code | | |
| Cut (external) | | Laceration |
| Cutaneous | | Condition |
| Cutis | | 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 | 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 | | Condition |
| Cysticercosis, cysticerciasis | B69.9 | |
| Cysticercus cellulose infestation | | See: Cysticercosis; |
| Cystinosis (malignant) | E72.04 | |
| 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 | | Pyelonephritis |
| Cystorrhagia | N32.89 | |
| Cystosarcoma phyllodes | D48.6 | |
| Cystostomy | | |
| Cystourethritis | | See: Urethritis; |
| Cystourethrocele | | See Also: Cystocele; |
| Cytomegalic inclusion disease | | |
| Cytomegalovirus infection | B25.9 | |
| Cytomycosis (reticuloendothelial) | B39.4 | |
| Cytopenia | D75.9 | |
| Czerny's disease (periodic hydrarthrosis of the knee) | | See: Effusion, joint, knee; |