Guide to Diagnostic Tests
- C1 INH (C1 esterase inhibitor)
- C3 (complement C3)
- C3d
- C4 (complement C4)
- CA 125
- Cachexia
- Calcitonin
- CALR (calreticulin) mutation analysis
- Capecitabine
- Capture beats
- Carbapenem-resistant Enterobacteriaceae
- Carbon monoxide poisoning
- Carboxyhemoglobin
- Carcinoembryonic antigen
- Carcinoid syndrome
- Carcinoid tumor
- Cardiomyopathy
- Carotid artery stenting
- Cather-related infections
- Cat-scratch disease
- CBG (cortisol-binding globulin)
- CD4 cell count absolute
- CEA (carcinoembryonic antigen)
- Cellulitis
- Cerebral lupus erythematosus
- Cerebral malaria
- Ceruloplasmin serum or plasma
- Cervicitis mucopurulent
- Cetuximab
- CF (complement fixation) test
- Chemiluminescence assay
- Chest pain
- Chikungunya virus
- Child-Pugh scoring system cirrhosis
- Chloride
- Cholangitis
- Cholelithiasis
- Cholesterol total
- Choosing Wisely campaign
- Chorioamnionitis
- Chorionic villus sampling
- Chromogenic heparin anti-Xa assay
- Chronic lymphocytic leukemia/small lymphocytic lymphoma
- Chylous ascites
- Cisternography
- Citrates
- CK (creatine kinase)
- CK-MB (creatine kinase MB)
- Cl- (chloride)
- Clauss assay
- ClCr (creatinine clearance)
- CLL (chronic lymphocytic leukemia)
- Clopidogrel
- Clostridium perfringens
- CMV (cytomegalovirus)
- CoaguChek Systems
- Coagulation cascade
- Coagulation factor assays
- COHb (carboxyhemoglobin)
- Colchicine
- Cold agglutinins serum
- Collection tubes
- Complement C3
- Complement C4
- Complement deficiency
- Complement fixation test
- Complement system
- Conditionally independent tests
- Conjunctivitis
- Connective tissue disease
- Contrast-induced nephropathy
- Copper deficiency
- Cordocentesis
- Cornell voltage LVH
- Corticotropin-releasing factor
- Cortisol
- Cortisol-binding globulin
- Cosyntropin (Cortrosyn) stimulation test
- Coxiella burnetii infection
- Cr (creatinine) serum or plasma
- Craniofacial trauma
- CRE (carbapenem-resistant Enterobacteriaceae)
- C-reactive protein high-sensitivity
- Creatine kinase
- Creatine kinase MB
- Creatinine
- Creatinine clearance
- CRF (corticotropin-releasing factor)
- Cryoglobulinemia
- Cryoglobulins qualitative serum
- Cryptococcus gattii
- Cryptosporidium
- CSF (cerebrospinal fluid) leak
- CT (computed tomography) enterography
- C-telopeptide beta-cross-linked
- CTX-beta (C-telopeptide beta-cross-linked)
- CVS (chorionic villus sampling)
- Cyanmethemoglobin technique
- CYP2C19 (cytochrome P450 2C19) variants
- CYP2C9 (cytochrome P450 2C9) variants
- Cystitis
- Cytochrome P450 2C19 variants
- Cytochrome P450 2C9 variants
- Cytomegalovirus
- CZE immunotyping (immuno-subtraction capillary zone electrophoresis)