Determine the type of specimen (plasma or serum) and tube color required for the following tests:
1. Fasting Blood Sugar
2. Creatinine
3. Coagulation Studies
Ans. Serum type sepcimen its a liquid part of blood after coagulation so devoid of clotting factor as fibrinogen.
Plasma : it's a liquid ,cell free part of blood,that has been treated with anticoagulants .
A) Bloof sugar : it can be determined by any one of whole blood , serum , or plasma but sugar level will be less in whole blood the n serum and plasma. Sample is collected in grey tube color which contains sodium fluoride/ k+ oxalate.
B) creatinine : . This is serum type of the specimen . Color of sample tube is golden color which contains clot activator and gel for serum sepration .
C) coagulation : its plasma type of specimen, and color of sample tube is sky blue colour which contain sodium citrate.
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