Test Index - C

C3, C4    see complement
C50, C100     see CH100 and AP50
Calcium (urine) including urine calcium/creatinine clearance ratio (CCCR)
Calculi     see stone analysis
CALR (calreticulin) mutation     see myeloproliferative neoplasm mutations
Cannulae and central line tips (microbiology) - test no longer available
Carbohydrate-deficient transferrin     see CDT
Carcinoembryonic antigen     see CEA
Cardiolipin antibody     see anti-phospholipid antibodies
Carnitines     see acylcarnitines
CART (cocaine- and amphetamine-related transcript)     see gut hormones
CASPR2 antibody     see LGI1 and CASPR2 antibodies
Cell count, CSF     see CSF microbiology
Cerebrospinal fluid     see CSF
Cervical smears and biopsies     - this service is no longer provided by our laboratories.
CF genetics     see cystic fibrosis genetics
CH50     see CH100 and AP50
Chicken pox     see VZV
Chikungunya     see tropical virus serology
Chlamydia trachomatis     see
 - diagnostic virology: eye infection molecular detection
Cholesterol (total), HDL cholesterol, LDL cholesterol, non-HDL cholesterol     see lipid profile
Chromosomes     see karyotype
Clostridium tetani (tetanus) immunity     see vaccine immunity testing
Clotting screen    see coagulation screen
CMMG     see aciclovir and CMMG
Coeliac disease     see tTG antibody
Combined screening     see Down, Edwards and Patau syndrome screening
Complement (C3, C4)
Coronavirus (COVID-19)     see
 - Coronavirus (COVID-19) for diagnostic virology,
 - Anti-SARS-CoV-2 antibody testing is no longer routinely available - for queries please email This email address is being protected from spambots. You need JavaScript enabled to view it..
 - Anti-SARS-CoV-2 S (spike antibody, COVID-S antibody - no longer routinely available).
C-reactive protein     see CRP
CRAG     see cryptococcal antigen
Creatine kinase     see CK
Cryofibrinogen     see cryoproteins
Cryoglobulins     see cryoproteins
CSF hypocretin     see CSF orexin
CSF tau     see dementia biomarkers (CSF)
CSF xanthochromia (CSF scan, CSF spectrophotometry)
CTX     No longer routinely available - please request P1NP
Cyclic citrullinated peptide antibody     see CCP antibody
Cyclosporin    see ciclosporin
Cytomegalovirus     see CMV (Cytomegalovirus) testing