Common test name Primary test name Specimen Container Referred test Patient cost Comments/Instructions
K Potassium Blood  Serum Separator Tube (SST)  No  No  Deliver within 4 hours to avoid excessive potassium leakage from red cells. Avoid haemolysis; haemo... (more)  
Karyotyping Karyotyping Blood  Lithium Heparin Tube  Yes  Yes   
Kearns-Sayre Syndrome Genetic Testing Kearns-Sayre Syndrome Genetic Testing Muscle/Skin  Sterile container  Yes  No   
Kennedy's Syndrome Genetic Testing Kennedy's Syndrome Genetic Testing Blood  EDTA Tube 4 ml  Yes  No   
Ketones, Plasma Ketones, Plasma Blood  Serum Separator Tube (SST)  No  No   
Kinidin Quinidine Blood  Serum Separator Tube (SST)  Yes  No  Trough level - collect at least 6-8 hours after last dose. Venepuncture. Date, time and dose of la... (more)  
Kleihauer Test Kleihauer Test Blood  EDTA Tube 4 ml  No  No   
KSS Mutation Genetic Testing KSS Mutation Genetic Testing Muscle/Skin  Sterile container  Yes  No   
Kunjin virus antibodies Flavivirus antibodies Blood  Serum Separator Tube (SST)  Yes  No  If blood is drawn during the acute phase of the illlness please send convalescent sample 2 weeks lat... (more)  
Kunjin Virus PCR Flavivirus PCR Blood  Serum Separator Tube (SST)  Yes  Yes  Clinical details essential. Tests can also performed on CSF. Venepuncture.