| CFO — Titrimetric, Magnesium | Class 1 / CH |
| CFP — Radioimmunoassay, Immunoreactive Insulin | Class 1 / CH |
| CFQ — Radioimmunoassay, Immunoglobulins (G, A, M) | Class 2 / IM |
| CFR — Hexokinase, Glucose | Class 2 / CH |
| CFT — Radioimmunoassay, Prolactin (Lactogen) | Class 1 / CH |
| CFW — Copper Reduction, Glucose | Class 2 / CH |
| CGA — Glucose Oxidase, Glucose | Class 2 / CH |
| CGC — Radioimmunoassay, Gastrin | Class 1 / CH |
| CGD — Ferricyanide, Glucose | Class 2 / CH |
| CGE — Orthotoluidine, Glucose | Class 2 / CH |
| CGF — Radioimmunoassay, Estrone | Class 1 / CH |
| CGH — Electrophoretic, Globulin | Class 1 / CH |
| CGI — Radioimmunoassay, Estriol | Class 1 / CH |
| CGJ — Radioimmunoassay, Follicle-Stimulating Hormone | Class 1 / CH |
| CGL — Electrode, Ion Based, Enzymatic, Creatinine | Class 2 / CH |
| CGM — Method, Immunodiffusion, Immunoglobulins (G, A, M) | Class 2 / IM |
| CGN — Acid, Folic, Radioimmunoassay | Class 2 / CH |
| CGO — Lieberman-Burchard/Abell-Kendall, Colorimetric, Cholesterol | Class 1 / CH |
| CGR — Radioimmunoassay, Cortisol | Class 2 / CH |
| CGS — Nad Reduction/Nadh Oxidation, Cpk Or Isoenzymes | Class 2 / CH |
| CGT — Radioimmunoassay, Cyclic Gmp | Class 2 / CH |
| CGX — Alkaline Picrate, Colorimetry, Creatinine | Class 2 / CH |
| CGZ — Electrode, Ion-Specific, Chloride | Class 2 / CH |
| CHA — Radioimmunoassay, Corticosterone | Class 1 / CH |
| CHC — Titrimetric Permanganate And Bromophenol Blue, Calcium | Class 2 / CH |
| CHD — Acid, Ferric Ion-Sulfuric, Cholesterol | Class 1 / CH |
| CHE — Radioimmunoassay, Corticoids | Class 1 / CH |
| CHG — Acid, Phosphoric-Tungstic (Spectrophotometric), Chloride | Class 2 / CH |
| CHH — Enzymatic Esterase--Oxidase, Cholesterol | Class 1 / CH |
| CHI — Lipase-Esterase, Enzymatic, Photometric, Lipase | Class 1 / CH |
| CHJ — Mercuric Thiocyanate, Colorimetry, Chloride | Class 2 / CH |
| CHK — Mercuric Nitrate And Diphenyl Carbazone (Titrimetric), Chloride | Class 2 / CH |
| CHL — Electrode Measurement, Blood-Gases (Pco2, Po2) And Blood Ph | Class 2 / CH |
| CHM — Radioimmunoassay, Total Estrogens In Pregnancy | Class 1 / CH |
| CHN — Immunochemical, Ceruloplasmin | Class 2 / IM |
| CHO — Radioimmunoassay, Cyclic Amp | Class 2 / CH |
| CHP — Radioimmunoassay, Estradiol | Class 1 / CH |
| CHQ — Chromatographic/Fluorometric Method, Catecholamines | Class 1 / CH |
| CHR — Titrimetric Phenol Red, Carbon-Dioxide | Class 2 / CH |
| CHS — Coulometric Method, Carbon-Dioxide | Class 2 / CH |
| CHT — Electrophoretic Method, Catecholamines | Class 1 / CH |
| CHW — Titrimetric With Edta And Indicator, Calcium | Class 2 / CH |
| CHZ — Di (O-Hydroxyphenylimine) Ethane, Calcium | Class 2 / CH |
| CIA — Methylthymol Blue, Calcium | Class 2 / CH |
| CIB — Radioimmunoassay, Angiotensin I And Renin | Class 2 / CH |
| CIC — Cresolphthalein Complexone, Calcium | Class 2 / CH |
| CID — Alizarin Sulfonate, Calcium | Class 2 / CH |
| CIE — Volumetric/Manometric, Carbon-Dioxide | Class 2 / CH |
| CIF — Vanillin Pyruvate, Ast/Sgot | Class 2 / CH |
| CIG — Diazo Colorimetry, Bilirubin | Class 2 / CH |